Get Free Samples! Come fill out the form ! ! !

Call us: +86 0755-82563503

English

Currency: $ US Dollar

STM32F103C8T6
MFI343S00177
can I ask you a question please?
STM32F407VET6

Categories
- Integrated Circuits (ICs)
  - Integrated Circuits (ICs)
  - AC to DC Converter ICs
  - Active Filters
  - ADC
  - AFE
  - Analog Multipliers & Dividers
  - Analog Switches & Multiplexers ICs
  - Application Specific Microcontrollers
  - Application Specific Timer
  - Audio Amplifiers
  - Audio Special Purpose
  - Battery Chargers ICs
  - Battery Management ICs
  - Buffers & Transceivers
  - Capacitive Sensors
  - Clock Buffers & Drivers
  - Clock Generators
  - CODECs Interface ICs
  - Comparators
  - Configuration Proms for FPGAs
  - Controllers Interface ICs
  - Converting Interface ICs
  - Counters & Dividers
  - CPLDs
  - Current Regulator IC
  - DAC
  - DC DC Voltage Regulators
  - DC to DC converter
  - DDS
  - Delay Lines Timing ICs
  - Digital Potentiometers
  - Display Drivers ICs
  - Drivers Interface ICs
  - DSP
  - Embedded ICs Modules
  - Energy Metering ICs
  - FIFOs Memory
  - Flip Flops
  - FPGAs
  - FPGAs with Microcontrollers
  - Full & Half-Bridge Drivers ICs
  - Gate Drivers ICs
  - Gates & Inverters
  - Hot Swap Controllers
  - I/O Expanders
  - IC Batteries
  - Ideal Diode controller
  - Instrumentational OP Amps
  - Interface ICs Modules
  - Laser Driver ICs
  - Latches
  - LED Driver ICs
  - Lighting Controllers
  - Linear Comparators
  - Linear Regulator Controllers
  - Linear Voltage Regulators
  - Memory
  - Memory Batteries
  - Memory Controllers
  - Microcontrollers
  - Microprocessors
  - Modems ICs & Modules
  - Motor Drivers
  - Multi-Functional Gates & Inverters
  - Multivibrators
  - Multivibrators
  - PFC PMICs
  - PLDs
  - PoE Controllers
  - Power Supply Control ICs
  - Power Switches ICs
  - Programmable Timers & Oscillators
  - RMS to DC Converters
  - RTCs
  - Sensor & Detector Interface ICs
  - Serializers & Deserializers
  - Shift Registers
  - Signal Buffers
  - Signal Switches & Multiplexers
  - Signal Terminators
  - SoC
  - Special Purpose ADCs/DACs
  - Special Purpose Amplifiers
  - Special Purpose Analog Switches
  - Specialized ICs
  - Specialized Interface ICs
  - Specialized Power Management ICs
  - Specialized Voltage Regulators
  - Specialty Logic ICs
  - Switching Voltage Regulators
  - Telecom Interface ICs
  - Thermal Management
  - Touch Screen Controllers
  - UARTs
  - Universal Bus Functions
  - V/F & F/V Converters
  - Video Amps & Modules
  - Video Processing Linear ICs
  - Voice Record and Playback
  - Voltage Reference
  - Voltage Supervisors
  - Voltage Translators & Level Shifters
  - Integrated circuits, often referred to as ICs or microchips, are miniature electronic circuits that contain thousands to billions of transistors, resistors, capacitors, and other electronic components on a small semiconductor material. ICs are the building blocks of modern electronics and are used in a vast array of devices and systems, ranging from smartphones and computers to automotive electronics and medical devices. They provide compactness, high functionality, and improved performance by integrating multiple electronic functions onto a single chip.
- Connectors
  - Connectors
  - ARINC Connectors
  - Backplane Connector Contacts
  - Backplane Connectors Accessories
  - Backplane Connectors Housings
  - Backshells and Cable Clamps
  - Banana Tip Adapters
  - Banana Tip Binding Posts
  - Banana Tip Connectors Accessories
  - Banana Tip Jacks
  - Barrel Accessories
  - Barrel Adapters
  - Barrel Audio Connectors
  - Barrel Connectors
  - Barrel Power Connectors
  - Barrier Terminal Blocks
  - Between Series Adapters
  - Blade Type Power Connectors
  - Blade Type Power Connectors
  - Blade Type Power Connectors Accessories
  - Blade Type Power Connectors Housings
  - Board In Connectors
  - Board to Board Connectors
  - Card Edge Adapters
  - Card Edge Connectors Accessories
  - Card Edge Connectors Housings
  - Card Edge Contacts
  - Centronics Connectors
  - Circular Adapters
  - Circular Connectors
  - Circular Connectors Accessories
  - Circular Connectors Housings
  - Circular Contacts
  - Coaxial Connectors
  - Coaxial Connectors Accessories
  - D-Sub Adapters
  - D-Sub Connector Housings
  - D-Sub Connector Terminators
  - D-Sub Connectors
  - D-Sub Connectors Accessories
  - D-Sub Contacts
  - D-Sub Hoods
  - D-Sub Jackscrews
  - DIN 41612 Connectors
  - Din Rail Terminal Blocks
  - Edgeboard Connectors
  - Faceplates & Frames
  - Fiber Optic Adapters
  - Fiber Optic Connectors
  - Fiber Optic Connectors Accessories
  - Fiber Optic Connectors Housings
  - Flat Flexible Connector Housings
  - Flat Flexible Connectors
  - Flat Flexible Connectors Accessories
  - Flat Flexible Contacts
  - Foil Connectors
  - Hard Metric Connector
  - Headers & Male Pins
  - Heavy Duty Connectors Accessories
  - Heavy Duty Connectors Assemblies
  - Heavy Duty Connectors Frames
  - Heavy Duty Connectors Housings
  - Heavy Duty Connectors Modules
  - Heavy Duty Contacts
  - IC Adapters
  - IC and Component Sockets
  - IC Sockets Accessories
  - Inline Memory Module Sockets
  - Interface Modules Terminal Blocks
  - Keystone Accessories
  - Keystone Inserts
  - Knife Connectors
  - Leadframe Contacts
  - LGH Connectors
  - Magnetic Wire Terminals
  - Magnetics Modular Jacks
  - Memory Card Adapters
  - Memory Card Sockets
  - Memory Connectors Accessories
  - Modular Adapters
  - Modular Connectors Accessories
  - Modular Jacks
  - Modular Plug Housings
  - Modular Plugs
  - Multi Purpose Contacts
  - Panel Mount Connectors
  - Panel Mount Terminal Blocks
  - PC Pin Terminals
  - Photovoltaic Connectors
  - Photovoltaic Connectors Accessories
  - Photovoltaic Contacts
  - Pluggable Connectors
  - Pluggable Connectors Accessories
  - Pluggable Terminal Blocks
  - Power Distribution Terminal Blocks
  - Power Entry Connectors Accessories
  - Power Entry Connectors Modules
  - Quick-Connect & Quick-Disconnect Connectors
  - Rectangular Connectors
  - Rectangular Connectors Accessories
  - Rectangular Connectors Adapters
  - Rectangular Connectors Arrays
  - Rectangular Connectors Headers
  - Rectangular Connectors Housings
  - Rectangular Contact Inserts
  - Rectangular Terminals
  - RF Adapters
  - RF Contacts
  - RF Terminators
  - Ring Terminals
  - Screw Connectors
  - Shunts & Jumpers
  - Socket Terminals
  - Solder Lug Connectors
  - Spade Connectors
  - Specialized Backplane Connectors
  - Specialized Connectors
  - Specialized Terminal Blocks
  - Spring Loaded Contacts
  - Spring Loaded Rectangular Connectors
  - SSL Connectors
  - SSL Connectors Accessories
  - SSL Contacts
  - Terminal Block Adapters
  - Terminal Blocks - Contacts
  - Terminal Blocks Accessories
  - Terminal Jumpers
  - Terminal Junction Systems
  - Terminal Marker Strips
  - Terminal Strips and Turret Boards
  - Terminal Wire Ferrules
  - Terminals Accessories
  - Terminals Adapters
  - Terminals Housings
  - Transistor Sockets
  - Turret Connectors
  - Video Adapters
  - Video Connector Accessories
  - Video Connectors
  - Wire Pin Connectors
  - Wire Splice Connectors
  - Wire-to-Board Connectors
  - Wire-to-Board Terminal Blocks
  - Wiring Blocks Accessories
  - Wiring Modular Connectors
  - Connectors are devices used to establish electrical or mechanical connections between two or more components or systems. They provide a means for joining cables, wires, or other conductive elements, enabling the transmission of electrical signals, power, or data. Connectors come in a wide range of forms, including electrical connectors, coaxial connectors, modular connectors, and fiber optic connectors. They play a critical role in industries such as telecommunications, automotive, aerospace, and consumer electronics, facilitating reliable and secure connections.
- Discrete Semiconductors
  - Discrete Semiconductors
  - Arrays BJT Transistors
  - BJT Transistors Arrays
  - Bridge Rectifiers
  - DIACs and SIDACs
  - IGBTs Modules
  - IGBTs Transistors Arrays
  - JFETs Transistors
  - MOSFETs Transistors Arrays
  - Power Driver Modules
  - Pre-Biased BJT Transistors
  - Programmable Unijunction Transistors
  - Rectifier Diode Array
  - RF BJT Transistors
  - RF Diodes
  - RF MOSFETs Transistors
  - SCRs Thyristors
  - Single BJT Transistors
  - Single IGBTs
  - Single IGBTs
  - Single MOSFETs Transistors
  - Single-Phase Diode Rectifier
  - Specialized Transistors
  - Thyristors Modules
  - TRIACs Thyristors
  - Varactors
  - Zener Diode Arrays
  - Zener Single Diodes
  - Discrete Semiconductor refer to electronic components that are individual and separate from each other, as opposed to integrated circuits that contain multiple components on a single chip. These discrete components include diodes, transistors, thyristors, and other similar devices that perform specific functions in electronic circuits. They are commonly used in power supplies, amplifiers, and other electronic devices where precise control and regulation of electrical signals is required. Discrete Semiconductor Products are available in a variety of sizes, shapes, and specifications to meet the needs of different applications. They are widely used in the electronics industry and are essential components in many electronic devices.
- Capacitors
  - Capacitors
  - Aluminum Electrolytic Capacitors
  - Aluminum Polymer Capacitors
  - Capacitor Accessories
  - Capacitor Networks
  - Ceramic Capacitors
  - Ceramic Capacitors
  - Film Capacitors
  - Mica & PTFE Capacitors
  - Niobium Oxide Capacitors
  - Silicon Capacitors
  - Supercapacitors & EDLC
  - Tantalum Capacitors
  - Tantalum Polymer Capacitors
  - Thin Film Capacitors
  - Trimmers Variable
  - Capacitors are electronic components that store and release electrical energy. They consist of two conductive plates separated by an insulating material known as a dielectric. Capacitors are widely used in electronic circuits for various purposes, including energy storage, filtering, decoupling, timing, and coupling signals. They are available in different types, such as electrolytic capacitors, ceramic capacitors, and tantalum capacitors, each with unique characteristics suitable for different applications.
- Sensors
  - Sensors
  - CdS Cells
  - Accelerometers
  - Accessories
  - Amplifiers
  - Analog & Digital Sensor
  - Analog & Digital Sensors
  - Analog Optical Sensors
  - Angle & Linear Position Measuring Sensors
  - Camera Modules
  - Color Sensors
  - Current Sensors
  - Distance Measuring Sensors
  - Dust Sensors
  - Encoders
  - Float & Level Sensors
  - Flow Sensors
  - Force Sensors
  - Gas Sensors
  - Gyroscopes
  - Humidity Sensors
  - Image Sensors
  - IMUs
  - Inclinometers
  - IrDA Transceiver Modules
  - Junction Blocks
  - Logic Optical Sensors
  - Logic Photo Detectors
  - Logic Photointerrupters
  - LVDT Transducers
  - Magnetic Compass Sensors Modules
  - Magnetic Linear Sensors ICs
  - Magnetic Position Sensors Modules
  - Magnetic Switches
  - Mechanical Temperature Sensors
  - Multi Purpose Magnets
  - Multifunction
  - NTC Thermistors
  - Occupancy Sensors
  - Optical Motion Sensors
  - Optical Sensors Remote Receiver
  - Photodiodes
  - Photoelectric Sensors
  - Phototransistors
  - Proximity Sensors
  - PTC Thermistors
  - RTD
  - Sensor Cable Accessories
  - Sensor Cable Assemblies
  - Sensor Matched Magnets
  - Shock Sensors
  - Solar Cells
  - Solid State Thermostats
  - Specialized Sensors
  - Strain Gauges
  - Thermocouple Temperature Sensors
  - Tilt Switch Sensors
  - Touch Sensors
  - Transducers
  - Transistor Optical Sensors
  - Ultrasonic Receivers
  - UV Sensors
  - Vibration Sensors
  - Sensors are devices that detect and measure physical or environmental parameters and convert them into electrical signals. They enable the acquisition of real-world data for monitoring, control, and feedback purposes. Sensors can detect variables such as temperature, pressure, light, motion, proximity, and many others. They find application in diverse fields, including automotive systems, consumer electronics, industrial automation, healthcare, and environmental monitoring.
- Resistors
  - Resistors
  - Chassis Mount Resistors
  - Chip SMD Resistors
  - Chip SMD Resistors
  - Resistor Accessories
  - Resistor Arrays
  - Specialized Resistors
  - Through Hole Resistors
  - Resistors are passive electronic components designed to impede the flow of electric current in a circuit. They are used to control current levels, divide voltage, and limit power dissipation. Resistors are available in various types, including fixed resistors, variable resistors (potentiometers), and specialized resistors for specific applications such as high power or precision requirements. They are fundamental components in electronic circuits, playing roles in voltage regulation, signal conditioning, and impedance matching.
- Isolators
  - Isolators
  - Digital Isolators
  - Isolated Gate Drivers
  - Logic Optoisolators
  - Photovoltaic Optoisolators
  - Specialized Isolators
  - Triac Optoisolators
  - Isolators, also known as isolation devices or isolating components, are electronic components designed to electrically separate or isolate different parts of a circuit or system. They provide protection by preventing unwanted electrical currents, noise, or interference from affecting sensitive components or systems. Isolators are commonly used in applications where electrical isolation is crucial, such as power supplies, communication systems, motor control, and industrial automation. They ensure reliable operation, safety, and protection from electrical disturbances or faults.
- Board Mount Power Supplies
  - Board Mount Power Supplies
  - Board Mount AC DC Converters
  - Board Mount Accessories
  - Board Mount DC DC Converters
  - Off-board LED Drivers
  - Box and enclosure products refer to electronic components that are designed to protect and house electronic devices. These products come in a variety of shapes and sizes, and are typically made from materials such as plastic, metal, or fiberglass. Box and enclosure products are essential for protecting electronic components from environmental factors such as dust, moisture, and temperature fluctuations. They also provide a secure and organized way to store and transport electronic devices. Box and enclosure products are commonly used in industries such as telecommunications, aerospace, and automotive, as well as in consumer electronics.
- RF/IF & RFID
  - RF/IF & RFID
  - Attenuators
  - Balun
  - RF Accessories
  - RF Amplifiers
  - RF Antennas
  - RF Boards
  - RF Demodulators
  - RF Detectors
  - RF Directional Coupler
  - RF Front End
  - RF Misc ICs and Modules
  - RF Mixers
  - RF Modulators
  - RF Multiplexers
  - RF Power Controller ICs
  - RF Power Dividers
  - RF Receivers
  - RF Shields
  - RF Switches
  - RF Transceiver ICs
  - RF Transceiver Modules
  - RF Transmitter
  - RF Transmitters
  - RFI & EMI Contacts
  - RFI & EMI Materials
  - RFID Accessories
  - RFID Antennas
  - RFID Boards
  - RFID ICs
  - RFID Reader Modules
  - RFID Tags
  - RF power dividers/splitters are electronic components that are used to divide or split an incoming RF signal into multiple output signals. These components are commonly used in communication systems, such as radio and television broadcasting, as well as in radar and satellite communication systems. RF power dividers/splitters are designed to maintain signal integrity and minimize signal loss, ensuring that each output signal is of equal strength and quality. They come in various configurations, including 2-way, 3-way, 4-way, and 8-way, and can be used in both indoor and outdoor applications. RF power dividers/splitters are essential components in any RF system that requires signal distribution.
- Circuit Protection
  - Circuit Protection
  - Circuit Breakers
  - Circuit Protection Accessories
  - Electrical Fuses
  - Fuseholders
  - Fuses
  - GDT
  - GFCI
  - ICL
  - Lighting Protection
  - PTC Resettable Fuses
  - Surge Suppression ICs
  - Thermal Fuses
  - TVS Diodes
  - TVS Mixed Technology
  - TVS SPDs
  - TVS Thyristors
  - TVS Varistors
  - Circuit protection is a crucial aspect of electronic components classification. It refers to the measures taken to prevent damage to electronic circuits due to overvoltage, overcurrent, or short circuits. Circuit protection devices such as fuses, circuit breakers, surge protectors, and voltage regulators are used to safeguard electronic components from damage caused by power surges, lightning strikes, and other electrical disturbances. These devices are designed to interrupt the flow of current when the voltage or current exceeds a safe level, thereby protecting the circuit and preventing damage to the electronic components. Circuit protection is essential for ensuring the reliability and longevity of electronic devices and systems.
- Crystals
  - Crystals
  - Crystals
  - Crystals Accessories
  - Oscillators
  - Pin Configurable Oscillators
  - Programmable Oscillators
  - Resonators
  - Stand Alone Programmers
  - Voltage Controlled Oscillators
  - Crystals, in the context of electronics, refer to quartz crystals or other similar crystalline structures used as precise timing references or frequency-determining elements. These crystals exhibit a phenomenon called piezoelectricity, which allows them to generate a stable and accurate electrical signal when subjected to mechanical stress or voltage. Crystals are extensively used in oscillators
- Inductors
  - Inductors
  - Adjustable Inductors
  - Delay Lines
  - Fixed Inductors
  - Signal Transformers
  - Wireless Charging Coils
  - Inductors are passive electronic components that store electrical energy in the form of a magnetic field. They are typically made of a coil of wire wound around a core material and are used in various electrical circuits and systems. Inductors resist changes in current flow and are commonly employed in filtering, energy storage, impedance matching, and signal conditioning applications. They play a vital role in applications such as power supplies, radio frequency (RF) circuits, motor control, and electromagnetic compatibility (EMC) solutions.
- Filters
  - Filters
  - Cable Ferrites
  - Ceramic Filters
  - Common Mode Chokes
  - DSL Filters
  - EMI/RFI Filters
  - Feed Through Capacitors
  - Ferrite Beads and Chips
  - Ferrite Disks and Plates
  - Filters Accessories
  - Helical Filters
  - Monolithic Crystals
  - Power Line Filter Modules
  - RF Filters
  - SAW Filters
  - Filters are electronic components designed to selectively allow or block certain frequencies or ranges of frequencies in a signal or waveform. They are used to remove unwanted noise, interference, or specific frequency components, and to shape or modify the frequency response of a circuit or system. Filters can be classified into different types, such as low-pass, high-pass, band-pass, and band-stop filters, each serving specific purposes in applications ranging from audio and communication systems to power electronics and signal processing.
- View All

Items : %s%s

Buffers & Transceivers

Name	Manufacturer	Quantity	Datasheet	Factory Lead Time	Lifecycle Status	Mount	Packaging	Published	Series	Pbfree Code	Part Status	Moisture Sensitivity Level (MSL)	Number of Terminations	Termination	ECCN Code	Max Operating Temperature	Min Operating Temperature	Operating Supply Voltage	Number of Ports	Length	RoHS Status	Lead Free	Contact Plating	Radiation Hardening	Number of Pins	Additional Feature	Package / Case	Max Supply Voltage	REACH SVHC	Reach Compliance Code	Min Supply Voltage	Height	Width	Thickness	Mounting Type	Weight	Operating Temperature	Technology	Input Type	Height Seated (Max)	Packing Method	Number of Functions	Nominal Supply Current	JESD-609 Code	Terminal Finish	Terminal Position	Terminal Form	Peak Reflow Temperature (Cel)	Supply Voltage	Time@Peak Reflow Temperature-Max (s)	Base Part Number	Pin Count	Output Type	Temperature Grade	Direction	Surface Mount	Terminal Pitch	JESD-30 Code	Supply Voltage-Min (Vsup)	Number of Channels	Subcategory	Qualification Status	Power Supplies	Supply Voltage-Max (Vsup)	Max Power Dissipation	Number of Elements	Number of Outputs	Polarity	Output Polarity	Logic IC Type	Number of Circuits	Load Capacitance	Propagation Delay	Turn On Delay Time	Supplier Device Package	Power Dissipation-Max	Output Characteristics	Propagation Delay (tpd)	Quiescent Current	Logic Function	High Level Output Current	Low Level Output Current	Number of Bits per Element	Number of Inputs	Number of Bits	Voltage - Supply	Number of Input Lines	Number of Output Lines	Family	Max I(ol)	Power Supply Current-Max (ICC)	Count Direction	Translation	Trigger Type	Prop. Delay@Nom-Sup	Control Type	Current - Output High, Low	Logic Type	Schmitt Trigger
74ACT16543DLG4	Texas Instruments	RFQ Min: 1 Mult: 1				Surface Mount						1 (Unlimited)	56			85°C	-40°C	5V	2	18.41mm	RoHS Compliant	Lead Free	Gold	No	56	INDEPENDENT OUTPUT ENABLE FOR EACH DIRECTION; MASTER CONTROL FOR LATCH	SSOP	5.5V			4.5V	2.59mm	7.49mm			694.790113mg		CMOS				2		e4		DUAL	GULL WING	260	5V			56		INDUSTRIAL	Bidirectional		0.635mm				Bus Driver/Transceivers		5V					Non-Inverting		REGISTERED BUS TRANSCEIVER	2	50pF	13.8 ns	10.7 ns		1.4W	3-STATE		8μA	Inverting, Transceiver	-24mA	24mA	8		16				ACT				N/A		11.6 ns	INDEPENDENT CONTROL
74ALVCH162245DGG:1	Nexperia USA Inc.	RFQ Min: 1 Mult: 1	download	8 Weeks			Tape & Reel (TR)		74ALVCH		Active	1 (Unlimited)									ROHS3 Compliant						48-TFSOP (0.240, 6.10mm Width)								Surface Mount		-40°C~85°C TA														74ALVCH162245		3-State													2																	8			1.2V~3.6V											12mA 12mA	Transceiver, Non-Inverting
NLV17SZ126DFT2G	ON Semiconductor	RFQ Min: 1 Mult: 1	download	2 Weeks	ACTIVE (Last Updated: 4 days ago)	Surface Mount	Tape & Reel (TR)	2006	Automotive, AEC-Q100, 17SZ	yes	Active	1 (Unlimited)	5						2	2mm	ROHS3 Compliant	Lead Free			5		5-TSSOP, SC-70-5, SOT-353								Surface Mount		-40°C~125°C TA	CMOS			TAPE AND REEL	1		e3	Tin (Sn)	DUAL	GULL WING	NOT SPECIFIED	1.8V	NOT SPECIFIED		5	3-State								Bus Driver/Transceivers	Not Qualified	3.3V			1			TRUE											Buffer, Inverting					1	1.65V~5.5V			LVC/LCX/Z	0.024 A					6 ns	ENABLE HIGH	32mA 32mA	Buffer, Non-Inverting
74HCT9115N,112	NXP Semiconductors	RFQ Min: 1 Mult: 1	download				Tube	1997	74HCT		Obsolete	1 (Unlimited)	20							26.73mm	ROHS3 Compliant						20-DIP (0.300, 7.62mm)			unknown			7.62mm		Through Hole		-40°C~125°C TA	CMOS	Schmitt Trigger	4.2mm		9		e4	NICKEL PALLADIUM GOLD	DUAL		260	5V	30	74HCT9115	20	Open Drain			NO	2.54mm	R-PDIP-T20	4.5V			Not Qualified		5.5V		9						50pF						47 ns					1	1		4.5V~5.5V			HCT								- 4mA	Buffer, Non-Inverting
SN74ALVCH16240DGGR	Texas Instruments	RFQ Min: 1 Mult: 1		6 Weeks	ACTIVE (Last Updated: 1 week ago)	Surface Mount	Cut Tape (CT)		74ALVCH	yes	Active	1 (Unlimited)	48		EAR99				2	12.5mm	ROHS3 Compliant	Lead Free		No	48		48-TFSOP (0.240, 6.10mm Width)					1.2mm	6.1mm	1.15mm	Surface Mount		-40°C~85°C TA	CMOS			TR	4		e4	Nickel/Palladium/Gold (Ni/Pd/Au)	DUAL	GULL WING	260	1.8V		74ALVCH16240	48	3-State				0.5mm		1.65V		Bus Driver/Transceiver					4		Inverting				50pF	3.9 ns	3.9 ns					40μA	Buffer, Inverter					4	1.65V~3.6V	16	3	ALVC/VCX/A			UNIDIRECTIONAL	N/A			ENABLE LOW	24mA 24mA	Buffer, Inverting
74VHCT541D-Q100J	Nexperia USA Inc.	RFQ Min: 1 Mult: 1	download	4 Weeks		Surface Mount	Tape & Reel (TR)	2013	74VHCT		Active	1 (Unlimited)	20						2		ROHS3 Compliant			No	20		20-SOIC (0.295, 7.50mm Width)						7.5mm		Surface Mount		-40°C~125°C TA	CMOS		2.65mm		1	80μA			DUAL	GULL WING		5V		74VHCT541	20	3-State						4.5V					5.5V	500mW	1		Non-Inverting					7 ns							Buffer, Inverting					8	4.5V~5.5V		8	AHCT/VHCT/VT								8mA 8mA	Buffer, Non-Inverting
MM74C244WMX	ON Semiconductor	RFQ Min: 1 Mult: 1	download			Surface Mount	Tape & Reel (TR)		74C		Obsolete	1 (Unlimited)				125°C	-55°C				RoHS Compliant	Lead Free			20		20-SOIC (0.295, 7.50mm Width)	15V			3V				Surface Mount		-55°C~125°C TA														74C244		3-State							8					500mW	2	8	Non-Inverting					70 ns	90 ns	20-SOIC					Buffer, Inverting	-2.2mA	2.2mA	4	8	8	3V~15V	8	1									70mA 70mA	Buffer, Non-Inverting
SN74LVCR2245AZQNR	Texas Instruments	RFQ Min: 1 Mult: 1			LIFEBUY (Last Updated: 1 week ago)	Surface Mount	Tape & Reel (TR)		74LVCR	yes	Last Time Buy	1 (Unlimited)	20		EAR99				2	4mm	ROHS3 Compliant	Lead Free		No	20	WITH DIRECTION CONTROL	20-VFBGA					1mm	3mm	750μm	Surface Mount		-40°C~85°C TA	CMOS			TR	1		e1	Tin/Silver/Copper (Sn/Ag/Cu)	BOTTOM	BALL	260	1.8V		74LVCR2245	20	3-State		Bidirectional		0.65mm			8	Bus Driver/Transceivers		3.3V	3.6V		1		Non-Inverting				50pF	7.5 ns	9.5 ns						Inverting, Transceiver					8	1.65V~3.6V			LVC/LCX/Z				N/A		6.3 ns	COMMON CONTROL	12mA 12mA	Transceiver, Non-Inverting	No
SN74ACT241PWRG4	Texas Instruments	RFQ Min: 1 Mult: 1				Surface Mount	Tape and Reel					1 (Unlimited)	20			85°C	-40°C	5V	2	6.5mm	RoHS Compliant	Lead Free		No	20	ONE OUTPUT ENABLE ACTIVE HIGH	TSSOP	5.5V			4.5V	1.15mm	4.4mm					CMOS				2		e4	Nickel/Palladium/Gold (Ni/Pd/Au)	DUAL	GULL WING	260	5V			20		INDUSTRIAL			0.65mm				Bus Driver/Transceivers		5V			2	8	Non-Inverting		BUS DRIVER		50pF	8.5 ns	10.5 ns			3-STATE		4μA	Buffer, Inverting	-24mA	24mA	4						ACT						9.5 ns	ENABLE LOW/HIGH
QS74FCT2825BTP	Rochester Electronics, LLC	RFQ Min: 1 Mult: 1					Bulk			no	Obsolete	NOT SPECIFIED	24						2		ROHS3 Compliant					WITH TRIPLE OUTPUT ENABLE; WITH CLEAR AND CLOCK ENABLE									Through Hole		0°C~70°C	CMOS	TTL			1		e0	TIN LEAD	DUAL		NOT SPECIFIED	5V	NOT SPECIFIED			3-State			NO		R-PDIP-T24	4.75V			COMMERCIAL		5.25V		1			TRUE									7.5 ns					8			5V			FCT								- 48mA	Bus Interface
74LVC1G240DBVRG4	Texas Instruments	RFQ Min: 1 Mult: 1		6 Weeks	ACTIVE (Last Updated: 1 week ago)	Surface Mount	Tape & Reel (TR)		74LVC	yes	Active	1 (Unlimited)	5						2	2.9mm	ROHS3 Compliant	Lead Free	Gold	No	5		SC-74A, SOT-753					1.45mm	1.6mm	1.2mm	Surface Mount		-40°C~125°C TA	CMOS			TR	1		e4		DUAL	GULL WING	260	1.8V		74LVC1G240	5	3-State							1	Bus Driver/Transceivers		3.3V					Inverting					4 ns	4.5 ns					10μA	Buffer, Inverter				1	1	1.65V~5.5V			LVC/LCX/Z	0.032 A		UNIDIRECTIONAL				ENABLE LOW	32mA 32mA	Buffer, Inverting
TC74LCX240FW(ELP)	Toshiba	RFQ Min: 1 Mult: 1				Surface Mount	Tape and Reel			no			20			85°C	-40°C		2		RoHS Compliant	Lead Free			20	MAX O/P SKEW = 1NS	SOIC	3.6V			2V		7.5mm					CMOS				2		e0	Tin/Lead (Sn/Pb)	DUAL	GULL WING	240	3.3V	NOT SPECIFIED		20		INDUSTRIAL							Bus Driver/Transceivers	Not Qualified	3.3V			2	8	Inverting		BUS DRIVER		50pF	9 ns				3-STATE		10μA	Buffer, Inverting	24mA	24mA	4						LVC/LCX/Z						6.5 ns	ENABLE LOW
MC74LCX125DT	Rochester Electronics	RFQ Min: 1 Mult: 1	download				Tube		74LCX	yes	Obsolete	3 (168 Hours)	14						2	5mm	ROHS3 Compliant						14-TSSOP (0.173, 4.40mm Width)								Surface Mount		-40°C~85°C TA	CMOS				4		e4	NICKEL PALLADIUM GOLD	DUAL	GULL WING	NOT SPECIFIED	2.5V	NOT SPECIFIED		14	3-State			YES	0.65mm		2V			COMMERCIAL		3.6V		4			TRUE									7.2 ns					1			2V~3.6V			LVC/LCX/Z								24mA 24mA	Buffer, Non-Inverting
74LCX125TTR	STMicroelectronics	RFQ Min: 1 Mult: 1	download			Surface Mount	Tape & Reel (TR)		74LCX		Obsolete	3 (168 Hours)	14						2	5mm	ROHS3 Compliant	Lead Free		No	14		14-TSSOP (0.173, 4.40mm Width)								Surface Mount		-40°C~85°C TA	CMOS			TAPE AND REEL	4		e4	Nickel/Palladium/Gold (Ni/Pd/Au)	DUAL	GULL WING	260	2.7V	30	74LCX125	14	3-State				0.65mm		2V	4	Bus Driver/Transceivers							Non-Inverting					6 ns	6 ns					10μA	Buffer, Inverting			1			2V~3.6V		3	LVC/LCX/Z						5.2 ns	ENABLE LOW	24mA 24mA	Buffer, Non-Inverting
74LVC245AD,118	Nexperia USA Inc.	RFQ Min: 1 Mult: 1	download	4 Weeks		Surface Mount	Tape & Reel (TR)	2011	74LVC		Active	1 (Unlimited)	20						2		ROHS3 Compliant	Lead Free	Gold	No	20	WITH DIRECTION CONTROL	20-SOIC (0.295, 7.50mm Width)		No SVHC				7.5mm		Surface Mount		-40°C~125°C TA	CMOS		2.65mm		1		e4		DUAL	GULL WING	260	2.7V	30	74LVC245	20	3-State		Bidirectional									3.6V	500mW	1		Non-Inverting			8		22.5 ns	22.5 ns					100nA	Inverting, Transceiver					8	1.2V~3.6V			LVC/LCX/Z								24mA 24mA	Transceiver, Non-Inverting
SN74LV245AGQNR	Texas Instruments	RFQ Min: 1 Mult: 1	download			Surface Mount	Cut Tape (CT)		74LV		Obsolete	1 (Unlimited)	20						2	4mm	ROHS3 Compliant	Contains Lead		No	20		20-VFBGA						3mm		Surface Mount	21.687385mg	-40°C~85°C TA	CMOS			TAPE AND REEL	1				BOTTOM	BALL		2.5V		74LV245	20	3-State		Bidirectional		0.65mm		2V	8	Bus Driver/Transceivers		3.3V	5.5V		1		Non-Inverting					15.9 ns	26 ns						Inverting, Transceiver					8	2V~5.5V			LV/LV-A/LVX/H				N/A			COMMON CONTROL	16mA 16mA	Transceiver, Non-Inverting
NL17SG126P5T6G	ON Semiconductor	RFQ Min: 1 Mult: 1	download	4 Weeks	ACTIVE (Last Updated: 2 weeks ago)	Surface Mount	Tape & Reel (TR)	2014	MiniGate™	yes	Active	1 (Unlimited)	5						2		ROHS3 Compliant	Lead Free			5		SOT-953						0.8mm		Surface Mount		-55°C~125°C TA	CMOS		0.4mm	TAPE AND REEL	1		e3	Tin (Sn)	DUAL	FLAT	NOT SPECIFIED	3V	NOT SPECIFIED			3-State						0.9V		Bus Driver/Transceivers	Not Qualified		3.6V		1		Non-Inverting				30pF								Buffer, Inverting					1	0.9V~3.6V				0.0003 A						ENABLE HIGH	8mA 8mA	Buffer, Non-Inverting
74AUP1G34GX4Z	Nexperia USA Inc.	RFQ Min: 1 Mult: 1	download	13 Weeks			Tape & Reel (TR)		74AUP		Active	1 (Unlimited)									ROHS3 Compliant						4-XFDFN								Surface Mount		-40°C~125°C TA																Push-Pull													1																				0.8V~3.6V											4mA 4mA	Buffer, Non-Inverting
DM74ALS5245N	Rochester Electronics	RFQ Min: 1 Mult: 1	download				Tube		74ALS		Obsolete	3 (168 Hours)	20						2	26.075mm	ROHS3 Compliant						20-DIP (0.300, 7.62mm)			unknown			7.62mm		Through Hole		0°C~70°C TA	TTL				1				DUAL			5V				3-State			NO	2.54mm	R-PDIP-T20	4.5V					5.5V		1			TRUE														8			4.5V~5.5V			ALS								15mA 24mA	Buffer, Non-Inverting
PI74ALVCH162244AE	Diodes Incorporated	RFQ Min: 1 Mult: 1	download				Tube		74ALVCH		Obsolete	1 (Unlimited)															48-TFSOP (0.240, 6.10mm Width)								Surface Mount		-40°C~85°C TA														74ALVCH162244		3-State													4									48-TSSOP								4			2.3V~3.6V											12mA 12mA	Buffer, Non-Inverting
SN74LVC245ADBRG4	Texas Instruments	RFQ Min: 1 Mult: 1	download	6 Weeks	ACTIVE (Last Updated: 5 days ago)	Surface Mount	Tape & Reel (TR)		74LVC	yes	Active	1 (Unlimited)	20		EAR99				2	7.2mm	ROHS3 Compliant	Lead Free			20	WITH DIRECTION CONTROL	20-SSOP (0.209, 5.30mm Width)					2mm	5.3mm	1.95mm	Surface Mount	156.687814mg	-40°C~125°C TA	CMOS			TR	1		e4	Nickel/Palladium/Gold (Ni/Pd/Au)	DUAL	GULL WING	260	1.8V	NOT SPECIFIED	74LVC245	20	3-State		Bidirectional		0.65mm			8	Bus Driver/Transceiver	Not Qualified	3.3V	3.6V		1		Non-Inverting				50pF	6.5 ns	17 ns						Inverting, Transceiver					8	1.65V~3.6V			LVC/LCX/Z	0.024 A	0.03mA		N/A		6.3 ns	COMMON CONTROL	24mA 24mA	Transceiver, Non-Inverting	No
74FCT2244ATQG	Integrated Device Technology (IDT)	RFQ Min: 1 Mult: 1	download	7 Weeks		Surface Mount		2007		yes	Active	1	20		EAR99	85°C	-40°C	5V	2	8.7mm	RoHS Compliant	Lead Free	Tin	No	20		QSOP	5.25V			4.75V		3.8mm	1.47mm				CMOS				2	3.2mA	e3		DUAL	GULL WING	260	5V			20		INDUSTRIAL			0.635mm				Bus Driver/Transceivers		5V			2	8	Non-Inverting		BUS DRIVER		50pF	4.8 ns	6.2 ns			3-STATE		1mA	Buffer, Inverting	-15mA	12mA	4						FCT							ENABLE LOW
74LVT240D,118	Nexperia USA Inc.	RFQ Min: 1 Mult: 1	download	4 Weeks		Surface Mount	Tape & Reel (TR)		74LVT		Active	1 (Unlimited)	20					3.3V	2		ROHS3 Compliant	Lead Free	Gold	No	20	INPUTS CAN BE DRIVEN BY 3.3V OR 5V COMPONENTS	20-SOIC (0.295, 7.50mm Width)						7.5mm		Surface Mount		-40°C~85°C TA	BICMOS				2		e4		DUAL	GULL WING	260	3.3V	30	74LVT240	20	3-State											3.6V		2		Inverting				50pF	2.5 ns	6.7 ns					12mA	Buffer, Inverter			4			2.7V~3.6V		8	LVT								32mA 64mA	Buffer, Inverting
MM74HCT240SJ	ON Semiconductor	RFQ Min: 1 Mult: 1	download			Surface Mount	Tube		74HCT	yes	Obsolete	1 (Unlimited)						5V			RoHS Compliant	Lead Free			20		20-SOIC (0.209, 5.30mm Width)								Surface Mount	481.5mg	-40°C~85°C TA														74HCT240		3-State												500mW	2		Inverting					28 ns	53 ns					4μA	Buffer, Inverter			4			4.5V~5.5V	8										7.2mA 7.2mA	Buffer, Inverting
SN74LVT16952DL	Texas Instruments	RFQ Min: 1 Mult: 1		6 Weeks	ACTIVE (Last Updated: 2 days ago)	Surface Mount	Tube		74LVT	yes	Active	1 (Unlimited)	56	SMD/SMT	EAR99			3.3V	2	18.41mm	ROHS3 Compliant	Lead Free		No	56	WITH INDEPENDENT OUTPUT ENABLE FOR EACH DIRECTION; WITH CLOCK ENABLE	56-BSSOP (0.295, 7.50mm Width)		No SVHC			2.79mm	7.49mm	2.59mm	Surface Mount	694.790113mg	-40°C~85°C TA	BICMOS				2		e4	Nickel/Palladium/Gold (Ni/Pd/Au)	DUAL	GULL WING	260	3.3V		74LVT16952	56	3-State		Bidirectional		0.635mm				Bus Driver/Transceiver			3.6V	1.4W	2	16	Non-Inverting				50pF	8 ns	8 ns						Inverting, Transceiver			8			2.7V~3.6V			LVT	0.064 A	0.005mA		N/A	POSITIVE EDGE		INDEPENDENT CONTROL	32mA 64mA	Transceiver, Non-Inverting	No
CD74AC623NSRE4	Texas Instruments	RFQ Min: 1 Mult: 1				Surface Mount	Tape & Reel (TR)		74AC		Obsolete	1 (Unlimited)	20						2		ROHS3 Compliant	Lead Free			20	WITH INDEPENDENT OUTPUT ENABLE FOR EACH DIRECTION	20-SOIC (0.209, 5.30mm Width)						5.3mm		Surface Mount	266.712314mg	-55°C~125°C TA	CMOS		2mm	TAPE AND REEL	1				DUAL	GULL WING	NOT SPECIFIED	3V	NOT SPECIFIED	74AC623	20	3-State								Bus Driver/Transceivers	Not Qualified	3.3/5V	5.5V		1		Non-Inverting					120 ns							Inverting, Transceiver			8			1.5V~5.5V			AC	0.024 A		BIDIRECTIONAL	N/A			INDEPENDENT CONTROL	24mA 24mA	Transceiver, Non-Inverting
74FCT3245AQG8	Renesas Electronics America	RFQ Min: 1 Mult: 1	download	12 Weeks			Tape & Reel (TR)		74FCT		Active	1 (Unlimited)									ROHS3 Compliant						20-SSOP (0.154, 3.90mm Width)								Surface Mount		-40°C~85°C TA														74FCT3245		3-State													1									20-QSOP								8			2.7V~3.6V											8mA 24mA	Transceiver, Non-Inverting
74LVTN16245BBX,518	Nexperia USA Inc.	RFQ Min: 1 Mult: 1	download			Surface Mount	Tape & Reel (TR)		74LVTN		Obsolete	2 (1 Year)				125°C	-40°C	3.3V			RoHS Compliant				60		60-XFQFN Dual Rows, Exposed Pad	3.6V			2.7V				Surface Mount		-40°C~125°C TA														74LVTN16245		3-State		Bidirectional					16					1W	2		Non-Inverting					3.3 ns	5.7 ns	60-HXQFN (4x6)				6mA	Inverting, Transceiver	64mA	32mA	8			2.7V~3.6V											32mA 64mA	Transceiver, Non-Inverting
74ABT16244ADGG,118	Nexperia USA Inc.	RFQ Min: 1 Mult: 1	download	8 Weeks		Surface Mount	Tape & Reel (TR)		74ABT		Active	1 (Unlimited)	48					5V	2	12.5mm	ROHS3 Compliant	Lead Free	Gold	No	48		48-TFSOP (0.240, 6.10mm Width)						6.1mm		Surface Mount		-40°C~85°C TA	BICMOS		1.2mm		4		e4		DUAL	GULL WING	260	5V	30	74ABT16244	48	3-State				0.5mm									4		Non-Inverting					2.9 ns	4.8 ns					19mA	Buffer, Inverting				16	4	4.5V~5.5V			ABT								32mA 64mA	Buffer, Non-Inverting
74LCX244SJX	ON Semiconductor	RFQ Min: 1 Mult: 1	download	6 Weeks	ACTIVE (Last Updated: 1 month ago)	Surface Mount	Tape & Reel (TR)	2009	74LCX		Active	1 (Unlimited)									ROHS3 Compliant	Lead Free	Tin		20		20-SOIC (0.209, 5.30mm Width)								Surface Mount	481.5mg	-40°C~85°C TA														74LCX244		3-State													2		Non-Inverting					6.5 ns	10 ns					10μA	Buffer, Inverting			4			2V~3.6V	8										24mA 24mA	Buffer, Non-Inverting

74ACT16543DLG4 Texas Instruments
DUAL Buffers 56 Pins 8 Bit per Element SSOP

Price: 0.0000
RFQ
74ALVCH162245DGG:1 Nexperia USA Inc.
IC TXRX NON-INVERT 3.6V 48TSSOP

Price: 0.0000
RFQ
NLV17SZ126DFT2G ON Semiconductor
NLV17SZ126DFT2G datasheet pdf and Logic - Buffers, Drivers, Receivers, Transceivers product details from ON Semiconductor stock available at HK JDW

Price: 0.0000
RFQ
74HCT9115N,112 NXP Semiconductors
74HCT9115N,112 datasheet pdf and Logic - Buffers, Drivers, Receivers, Transceivers product details from NXP USA Inc. stock available at HK JDW

Price: 0.0000
RFQ
SN74ALVCH16240DGGR Texas Instruments
SN74ALVCH16240DGGR datasheet pdf and Logic - Buffers, Drivers, Receivers, Transceivers product details from Texas Instruments stock available at HK JDW

Price: 0.0000
RFQ
74VHCT541D-Q100J Nexperia USA Inc.
74VHCT541D-Q100J datasheet pdf and Logic - Buffers, Drivers, Receivers, Transceivers product details from Nexperia USA Inc. stock available at HK JDW

Price: 0.0000
RFQ
MM74C244WMX ON Semiconductor
MM74C244WMX datasheet pdf and Logic - Buffers, Drivers, Receivers, Transceivers product details from ON Semiconductor stock available at HK JDW

Price: 0.0000
RFQ
SN74LVCR2245AZQNR Texas Instruments
SN74LVCR2245AZQNR datasheet pdf and Logic - Buffers, Drivers, Receivers, Transceivers product details from Texas Instruments stock available at HK JDW

Price: 0.0000
RFQ
SN74ACT241PWRG4 Texas Instruments
DUAL Buffers 20 Pins 4 Bit per Element TSSOP

Price: 0.0000
RFQ
QS74FCT2825BTP Rochester Electronics, LLC
QUALITY SEMI DUAL-PORT SRAM

Price: 0.0000
RFQ
74LVC1G240DBVRG4 Texas Instruments
74LVC1G240DBVRG4 datasheet pdf and Logic - Buffers, Drivers, Receivers, Transceivers product details from Texas Instruments stock available at HK JDW

Price: 0.0000
RFQ
TC74LCX240FW(ELP) Toshiba
DUAL Buffers 20 Pins 4 Bit per Element SOIC

Price: 0.0000
RFQ
MC74LCX125DT Rochester Electronics
MC74LCX125DT datasheet pdf and Logic - Buffers, Drivers, Receivers, Transceivers product details from Rochester Electronics, LLC stock available at HK JDW

Price: 0.0000
RFQ
74LCX125TTR STMicroelectronics
74LCX125TTR datasheet pdf and Logic - Buffers, Drivers, Receivers, Transceivers product details from STMicroelectronics stock available at HK JDW

Price: 0.0000
RFQ
74LVC245AD,118 Nexperia USA Inc.
74LVC245AD,118 datasheet pdf and Logic - Buffers, Drivers, Receivers, Transceivers product details from Nexperia USA Inc. stock available at HK JDW

Price: 0.0000
RFQ
SN74LV245AGQNR Texas Instruments
SN74LV245AGQNR datasheet pdf and Logic - Buffers, Drivers, Receivers, Transceivers product details from Texas Instruments stock available at HK JDW

Price: 0.0000
RFQ
NL17SG126P5T6G ON Semiconductor
NL17SG126P5T6G datasheet pdf and Logic - Buffers, Drivers, Receivers, Transceivers product details from ON Semiconductor stock available at HK JDW

Price: 0.0000
RFQ
74AUP1G34GX4Z Nexperia USA Inc.
74AUP1G34GX4/SOT1269/X2SON4

Price: 0.0000
RFQ
DM74ALS5245N Rochester Electronics
BUS TRANSCEIVER, ALS SERIES

Price: 0.0000
RFQ
PI74ALVCH162244AE Diodes Incorporated
IC BUFF DVR TRI-ST 16BIT 48TSSOP

Price: 0.0000
RFQ
SN74LVC245ADBRG4 Texas Instruments
SN74LVC245ADBRG4 datasheet pdf and Logic - Buffers, Drivers, Receivers, Transceivers product details from Texas Instruments stock available at HK JDW

Price: 0.0000
RFQ
74FCT2244ATQG Integrated Device Technology (IDT)
74FCT2244ATQG datasheet pdf and Logic - Buffers, Drivers, Receivers, Transceivers product details from Integrated Device Technology (IDT) stock available at HK JDW

Price: 0.0000
RFQ
74LVT240D,118 Nexperia USA Inc.
74LVT240D,118 datasheet pdf and Logic - Buffers, Drivers, Receivers, Transceivers product details from Nexperia USA Inc. stock available at HK JDW

Price: 0.0000
RFQ
MM74HCT240SJ ON Semiconductor
MM74HCT240SJ datasheet pdf and Logic - Buffers, Drivers, Receivers, Transceivers product details from ON Semiconductor stock available at HK JDW

Price: 0.0000
RFQ
SN74LVT16952DL Texas Instruments
SN74LVT16952DL datasheet pdf and Logic - Buffers, Drivers, Receivers, Transceivers product details from Texas Instruments stock available at HK JDW

Price: 0.0000
RFQ
CD74AC623NSRE4 Texas Instruments
DUAL Transceiver, Non-Inverting 1.5V~5.5V 3-State Buffers 74AC Series 74AC623 20 Pins 8 Bit per Element 24mA 24mA 20-SOIC (0.209, 5.30mm Width)

Price: 0.0000
RFQ
74FCT3245AQG8 Renesas Electronics America
IC TXRX NON-INVERT 3.6V 20QSOP

Price: 0.0000
RFQ
74LVTN16245BBX,518 Nexperia USA Inc.
74LVTN16245BBX,518 datasheet pdf and Logic - Buffers, Drivers, Receivers, Transceivers product details from Nexperia USA Inc. stock available at HK JDW

Price: 0.0000
RFQ
74ABT16244ADGG,118 Nexperia USA Inc.
IC BUF NON-INVERT 5.5V 48TSSOP

Price: 0.0000
RFQ
74LCX244SJX ON Semiconductor
Buffers & Line Drivers Buffer/Line Driver

Price: 0.0000
RFQ