Call us: +86 0755-82563503

Currency: $ US Dollar

Items : %s%s

Integrated Circuits (ICs)

Integrated Circuits (ICs)


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.

Compare Image Name Manufacturer Pricing(USD) Quantity Weight(Kg) Size(LxWxH) Datasheet Factory Lead Time Packaging Published Series Part Status Moisture Sensitivity Level (MSL) Number of Terminations ECCN Code Number of Ports Length RoHS Status Additional Feature Package / Case Reach Compliance Code Width Mounting Type Operating Temperature Technology Height Seated (Max) HTS Code Packing Method Number of Functions Type Voltage - Input (Max) 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 Surface Mount Terminal Pitch JESD-30 Code Supply Voltage-Min (Vsup) Subcategory Qualification Status Power Supplies Supply Voltage-Max (Vsup) Number of Elements Output Polarity Number of Circuits Current - Output Load Capacitance Output Supplier Device Package Input Speed Oscillator Type Frequency (Max) Output Configuration Ethernet USB SATA Core Processor RAM Size Number of Bits Number of I/O Address Bus Width Supply Current-Max Voltage - Supply Boundary Scan Low Power Mode External Data Bus Width Format Barrel Shifter uPs/uCs/Peripheral ICs Type Peripherals Family Clock Frequency Prop. Delay@Nom-Sup Bit Size Has ADC DMA Channels PWM Channels DAC Channels ROM Programmability Control Type Current - Output High, Low Logic Type Current - Quiescent (Iq) Current - Supply (Max) Voltage - Supply (Vcc/Vdd) Control Features Ratio - Input:Output Voltage - Output (Min/Fixed) Number of Regulators Protection Features PSRR Voltage Dropout (Max) PLL ROM (words) RAM (bytes) On Chip Program ROM Width CPU Family Integrated Cache Internal Bus Architecture Differential - Input:Output Divider/Multiplier Voltage - I/O EEPROM Size Program Memory Type Number of Cores/Bus Width Graphics Acceleration RAM Controllers Co-Processors/DSP Security Features Display & Interface Controllers Additional Interfaces Connectivity Core Size Program Memory Size Data Converter
DSP56857BUE DSP56857BUE NXP USA Inc. 0.0000
RFQ

Min: 1

Mult: 1

0.00000000 download Tray 1999 568xx Obsolete 3 (168 Hours) 100 3A001.A.3 14mm ROHS3 Compliant 100-LQFP 14mm Surface Mount -40°C~85°C TA CMOS 1.6mm 8542.31.00.01 QUAD GULL WING 1.8V DSP56857 YES 0.5mm S-PQFP-G100 1.62V 1.98V 120MHz External 56800E 24K x 16 47 YES YES FIXED POINT YES DIGITAL SIGNAL PROCESSOR, OTHER DMA, POR, WDT 240MHz 1.62V~1.98V MULTIPLE SRAM SCI, SPI, SSI 16-Bit 80KB 40K x 16
MC68HC711E20CFN3 MC68HC711E20CFN3 NXP USA Inc. 0.0000
RFQ

Min: 1

Mult: 1

0.00000000 download Tube 2001 HC11 Obsolete 3 (168 Hours) 52 19.1262mm Non-RoHS Compliant 52-LCC (J-Lead) 19.1262mm Surface Mount -40°C~85°C TA HCMOS 4.57mm QUAD J BEND 5V MC68HC711 YES 1.27mm S-PQCC-J52 4.5V 5.5V 3MHz Internal 768 x 8 38 16 8 MICROCONTROLLER POR, WDT 12MHz 8 YES NO NO NO 4.5V~5.5V 20480 8 512 x 8 OTP SCI, SPI 8-Bit 20KB 20K x 8 A/D 8x8b
MC9S08DN60MLC MC9S08DN60MLC NXP USA Inc. 0.0000
RFQ

Min: 1

Mult: 1

0.00000000 download Tray S08 Obsolete 3 (168 Hours) ROHS3 Compliant 32-LQFP Surface Mount -40°C~125°C TA CMOS MC9S08DN60 40MHz External 2K x 8 25 MICROCONTROLLER LVD, POR, PWM, WDT 2.7V~5.5V 2K x 8 FLASH I2C, LINbus, SCI, SPI 8-Bit 60KB 60K x 8 A/D 10x12b
MPC9230FA MPC9230FA NXP USA Inc. 0.0000
RFQ

Min: 1

Mult: 1

0.00000000 download Tray 2003 Obsolete 2 (1 Year) Non-RoHS Compliant 32-LQFP Surface Mount -40°C~85°C Clock/Frequency Synthesizer, Clock Generator, Multiplexer MPC9230 1 LVPECL 32-LQFP (7x7) Crystal 750MHz 3.135V~3.465V 1:1 Yes with Bypass No/Yes Yes/No
MC88915EI70 MC88915EI70 NXP USA Inc. 0.0000
RFQ

Min: 1

Mult: 1

0.00000000 download Tube 1997 Obsolete 1 (Unlimited) ROHS3 Compliant 28-LCC (J-Lead) Surface Mount 0°C~70°C Clock Driver, Fanout Distribution, Multiplexer MC88915 1 CMOS, TTL 28-PLCC (11.51x11.51) TTL 70MHz 4.75V~5.25V 3:8 Yes No/No Yes/Yes
MC88915FN70 MC88915FN70 NXP USA Inc. 0.0000
RFQ

Min: 1

Mult: 1

0.00000000 download Tube 1997 Obsolete 1 (Unlimited) Non-RoHS Compliant 28-LCC (J-Lead) Surface Mount 0°C~70°C Clock Driver, Fanout Distribution, Multiplexer MC88915 1 CMOS, TTL TTL 70MHz 4.75V~5.25V 3:8 Yes No/No Yes/Yes
MPC9230FN MPC9230FN NXP USA Inc. 0.0000
RFQ

Min: 1

Mult: 1

0.00000000 download Tube 2003 Obsolete 2 (1 Year) Non-RoHS Compliant 28-LCC (J-Lead) Surface Mount -40°C~85°C Clock/Frequency Synthesizer, Clock Generator, Multiplexer MPC9230 1 LVPECL 28-PLCC (11.51x11.51) Crystal 750MHz 3.135V~3.465V 1:1 Yes with Bypass No/Yes Yes/No
MPC8547ECPXAQGB MPC8547ECPXAQGB NXP USA Inc. 0.0000
RFQ

Min: 1

Mult: 1

0.00000000 download Tray 2007 MPC85xx Obsolete 3 (168 Hours) ROHS3 Compliant 783-BBGA, FCBGA -40°C~105°C TA MPC8547 1.0GHz 10/100/1000Mbps (4) PowerPC e500 1.8V 2.5V 3.3V 1 Core 32-Bit No DDR, DDR2, SDRAM Signal Processing; SPE, Security; SEC Cryptography, Random Number Generator DUART, I2C, PCI, RapidIO
MC68HC908JL8MFAE MC68HC908JL8MFAE NXP USA Inc. 0.0000
RFQ

Min: 1

Mult: 1

0.00000000 download Tray 2005 HC08 Not For New Designs 3 (168 Hours) 32 EAR99 7mm ROHS3 Compliant OPERATES AT 3V SUPPLY @ 4 MHZ 32-LQFP 7mm Surface Mount -40°C~125°C TA HCMOS 1.6mm 8542.31.00.01 e3 Matte Tin (Sn) QUAD GULL WING 260 5V 40 MC68HC908 YES 0.8mm S-PQFP-G32 4.5V Not Qualified 5.5V 8MHz Internal 256 x 8 26 MICROCONTROLLER LED, LVD, POR, PWM 32MHz 8 YES NO YES NO 4.5V~5.5V FLASH SCI 8-Bit 8KB 8K x 8 A/D 13x8b
MC8640DTVU1000NC MC8640DTVU1000NC NXP USA Inc. 0.0000
RFQ

Min: 1

Mult: 1

0.00000000 Bulk 2002 MPC86xx Obsolete 3 (168 Hours) Non-RoHS Compliant 994-BCBGA, FCCBGA -40°C~105°C TA MC8640 1.0GHz 10/100/1000Mbps (4) PowerPC e600 1.8V 2.5V 3.3V 2 Core 32-Bit No DDR, DDR2 DUART, HSSI, I2C, RapidIO
MPC8272CZQMIBA MPC8272CZQMIBA NXP USA Inc. 0.0000
RFQ

Min: 1

Mult: 1

0.00000000 download 12 Weeks Tray 1994 MPC82xx Last Time Buy 3 (168 Hours) 516 5A002.A.1 27mm Non-RoHS Compliant 516-BBGA -40°C~105°C TA CMOS 8542.31.00.01 e0 Tin/Lead (Sn/Pb) BOTTOM BALL 245 1.5V 30 MPC8272 YES 1mm S-PBGA-B516 1.425V Other uPs/uCs/Peripheral ICs 1.53.3V 1.575V 266MHz 10/100Mbps (2) USB 2.0 (1) PowerPC G2_LE 57 30 64 MICROCONTROLLER, RISC 66.7MHz 32 NO YES NO 3.3V 1 Core 32-Bit No DRAM, SDRAM Communications; RISC CPM, Security; SEC Cryptography, Random Number Generator I2C, SCC, SMC, SPI, UART, USART
T2080NSN8T1B T2080NSN8T1B NXP USA Inc. 0.0000
RFQ

Min: 1

Mult: 1

0.00000000 download 18 Weeks QorIQ T2 Active 3 (168 Hours) ROHS3 Compliant 896-BFBGA, FCBGA 0°C~105°C TA 1.8GHz 1Gbps (8), 2.5Gbps (4), 10Gbps (4) USB 2.0 + PHY (2) SATA 3Gbps (2) PowerPC e6500 4 Core 64-Bit DDR3, DDR3L Boot Security, Cryptography, Secure Fusebox, Secure Debug, Tamper Detection, Volatile key Storage
MPC850CZQ50BU MPC850CZQ50BU NXP USA Inc. 0.0000
RFQ

Min: 1

Mult: 1

0.00000000 download 12 Weeks Tray 1997 MPC8xx Obsolete 3 (168 Hours) 256 3A991.A.2 23mm Non-RoHS Compliant 256-BBGA -40°C~95°C TA CMOS 2.35mm 8542.31.00.01 e0 Tin/Lead (Sn/Pb) BOTTOM BALL 260 3.3V 40 MPC850 YES 1.27mm S-PBGA-B256 3.135V Microprocessors 3.3V 3.465V 50MHz 10Mbps (1) USB 1.x (1) 26 YES YES 32 FIXED POINT MICROPROCESSOR, RISC 50MHz 32 YES 3.3V 1 Core 32-Bit No DRAM Communications; CPM HDLC/SDLC, I2C, IrDA, PCMCIA-ATA, TDM, UART/USART
PK20N512VLL100 PK20N512VLL100 NXP USA Inc. 0.0000
RFQ

Min: 1

Mult: 1

0.00000000 Bulk 2012 Kinetis K20 Discontinued 3 (168 Hours) ROHS3 Compliant 100-LQFP Surface Mount -40°C~105°C TA PK20N512 100MHz Internal ARM® Cortex®-M4 128K x 8 66 DMA, I2S, LVD, POR, PWM, WDT 1.71V~3.6V FLASH CANbus, EBI/EMI, I2C, IrDA, SD, SPI, UART/USART, USB, USB OTG 32-Bit 512KB 512K x 8 A/D 25x16b; D/A 1x12b
LPC4330FET256,551 LPC4330FET256,551 NXP USA Inc. 0.0000
RFQ

Min: 1

Mult: 1

0.00000000 download 12 Weeks Tray 2010 LPC43xx Active 3 (168 Hours) 256 EAR99 17mm ROHS3 Compliant 256-LBGA 17mm Surface Mount -40°C~85°C TA CMOS 1.55mm 8542.31.00.01 e1 Tin/Silver/Copper (Sn/Ag/Cu) BOTTOM BALL 260 3.3V NOT SPECIFIED LPC4330 256 YES 1mm S-PBGA-B256 2.2V Microcontrollers Not Qualified 2.5/3.3V 3.6V 204MHz Internal ARM® Cortex®-M4/M0 264K x 8 164 24 32 MICROCONTROLLER, RISC Brown-out Detect/Reset, DMA, I2S, Motor Control PWM, POR, PWM, WDT 25MHz 32 YES YES YES YES FLASH 2.2V~3.6V CORTEX-M4 ROMless CANbus, EBI/EMI, Ethernet, I2C, IrDA, Microwire, SD, SPI, SSI, SSP, UART/USART, USB, USB OTG 32-Bit Dual-Core A/D 8x10b; D/A 1x10b
MCIMX6Q5EZK08AE MCIMX6Q5EZK08AE NXP USA Inc. 0.0000
RFQ

Min: 1

Mult: 1

0.00000000 download 15 Weeks Tray i.MX6Q Active 3 (168 Hours) ROHS3 Compliant 569-LFBGA -20°C~105°C TJ 8542.39.00.01 260 40 800MHz 10/100/1000Mbps (1) USB 2.0 + PHY (4) SATA 3Gbps (1) ARM® Cortex®-A9 1.8V 2.5V 2.8V 3.3V 4 Core 32-Bit Yes LPDDR2, LVDDR3, DDR3 Multimedia; NEON™ SIMD ARM TZ, Boot Security, Cryptography, RTIC, Secure Fusebox, Secure JTAG, Secure Memory, Secure RTC, Tamper Detection Keypad, LCD CAN, I2C, I2S, MMC/SD/SDIO, SAI, SPI, SSI, UART
SPC5746BSK1VKU2 SPC5746BSK1VKU2 NXP USA Inc. 0.0000
RFQ

Min: 1

Mult: 1

0.00000000 download 18 Weeks Bulk MPC57xx Active 3 (168 Hours) ROHS3 Compliant 176-LQFP Exposed Pad Surface Mount -40°C~105°C TA 120MHz Internal e200z4 384K x 8 129 DMA, I2S, POR, WDT 3.15V~5.5V 64K x 8 FLASH CANbus, Ethernet, FlexRay, I2C, LINbus, SPI 32-Bit 3MB 3M x 8 A/D 36x10b, 16x12b
T1042NSN7PQB T1042NSN7PQB NXP USA Inc. 0.0000
RFQ

Min: 1

Mult: 1

0.00000000 download 18 Weeks Tray 2014 QorIQ T1 Active 3 (168 Hours) 780 3A991.A.1 23mm ROHS3 Compliant 780-FBGA, FCBGA 0°C~105°C TA CMOS 2.07mm 8542.31.00.01 BOTTOM BALL 250 1V YES 0.8mm S-PBGA-B780 0.97V 1.03V 1.4GHz 1Gbps (5) USB 2.0 + PHY (2) SATA 3Gbps (2) PowerPC e5500 16 YES YES 64 FIXED POINT MICROPROCESSOR, RISC 133.3MHz 32 YES 4 Core 64-Bit No DDR3L/4 I2C, MMC/SD, PCIe, SPI, UART
T2081NSE8MQLB T2081NSE8MQLB NXP USA Inc. 0.0000
RFQ

Min: 1

Mult: 1

0.00000000 download 18 Weeks QorIQ T2 Active 3 (168 Hours) ROHS3 Compliant 896-BFBGA, FCBGA 0°C~105°C TA 1.2GHz 1Gbps (8), 2.5Gbps (4), 10Gbps (4) USB 2.0 + PHY (2) SATA 3Gbps (2) PowerPC e6500 4 Core 64-Bit DDR3, DDR3L Boot Security, Cryptography, Secure Fusebox, Secure Debug, Tamper Detection, Volatile key Storage
MC908GR48AMFUE MC908GR48AMFUE NXP USA Inc. 0.0000
RFQ

Min: 1

Mult: 1

0.00000000 download Tray HC08 Obsolete 3 (168 Hours) ROHS3 Compliant 64-QFP Surface Mount -40°C~125°C TA MC908GR48 8MHz Internal 1.5K x 8 53 LVD, POR, PWM 3V~5.5V FLASH SCI, SPI 8-Bit 48KB 48K x 8 A/D 24x10b
MIMX8DX6CVLDZAC MIMX8DX6CVLDZAC NXP USA Inc. 0.0000
RFQ

Min: 1

Mult: 1

0.00000000 2 Weeks Active 3 (168 Hours)
MKL33Z32VLK4 MKL33Z32VLK4 NXP USA Inc. 0.0000
RFQ

Min: 1

Mult: 1

0.00000000 download 13 Weeks Tray 2002 Kinetis KL3 Active 3 (168 Hours) 80 3A991.A.2 12mm ROHS3 Compliant 80-LQFP 12mm Surface Mount -40°C~105°C TA CMOS 8542.31.00.01 QUAD GULL WING NOT SPECIFIED 3.3V NOT SPECIFIED YES 0.5mm S-PQFP-G80 1.71V Microcontrollers Not Qualified 1.8/3.3V 3.6V 48MHz Internal ARM® Cortex®-M0+ 4K x 8 70 6.02mA MICROCONTROLLER, RISC DMA, LCD, PWM, WDT 48MHz 32 YES YES YES YES 1.71V~3.6V 32768 4096 CORTEX-M0 FLASH FlexIO, I2C, IrDA, SPI, UART/USART 32-Bit 32KB 32K x 8 A/D 20x16b; D/A 1x12b
74LVT16244BEV,157 74LVT16244BEV,157 NXP USA Inc. 0.0000
RFQ

Min: 1

Mult: 1

0.00000000 download Tray 74LVT Active 2 (1 Year) 56 2 7mm ROHS3 Compliant 56-VFBGA not_compliant Surface Mount -40°C~85°C TA BICMOS 1mm TAPE AND REEL 4 e0 Tin/Lead (Sn63Pb37) BOTTOM BALL 240 3.3V 20 74LVT16244 56 3-State YES 0.65mm R-PBGA-B56 2.7V Bus Driver/Transceivers Not Qualified 3.3V 3.6V 4 TRUE 50pF 4 2.7V~3.6V LVT 3.2 ns ENABLE LOW 32mA 64mA Buffer, Non-Inverting
MCR908JK1ECDWER MCR908JK1ECDWER NXP USA Inc. 4.5995
Add to Cart

Min: 1

Mult: 1

0.00000000 download 10 Weeks Tape & Reel (TR) 1996 HC08 Obsolete 3 (168 Hours) ROHS3 Compliant 20-SOIC (0.295, 7.50mm Width) Surface Mount -40°C~85°C TA MCR908JK1 20-SOIC 8MHz External HC08 128 x 8 14 LED, LVD, POR, PWM 2.7V~3.3V FLASH 8-Bit 1.5KB 1.5K x 8 A/D 12x8b
LPC8N04FHI24Z LPC8N04FHI24Z NXP USA Inc. 0.0000
RFQ

Min: 1

Mult: 1

0.00000000 download 12 Weeks Tape & Reel (TR) LPC8Nxx Active 3 (168 Hours) ROHS3 Compliant 24-VFQFN Exposed Pad Surface Mount -40°C~85°C TA 260 NOT SPECIFIED 8MHz Internal ARM® Cortex®-M0+ 8K x 8 12 MICROCONTROLLER, RISC Brown-out Detect/Reset, POR, PWM, WDT 1.72V~3.6V 4K x 8 FLASH I2C, SPI 32-Bit 32KB 32K x 8
LD6806CX4/29P,315 LD6806CX4/29P,315 NXP USA Inc. 0.0000
RFQ

Min: 1

Mult: 1

0.00000000 download Tape & Reel (TR) 2013 Obsolete 1 (Unlimited) ROHS3 Compliant 4-XFBGA, WLCSP unknown Surface Mount -40°C~85°C 5.5V LD6806 Fixed 200mA Positive 100μA 250μA Enable 2.9V 1 Over Current, Over Temperature 55dB (1kHz) 0.1V @ 200mA
MK20DN512VLK10R MK20DN512VLK10R NXP USA Inc. 0.0000
RFQ

Min: 1

Mult: 1

0.00000000 download 13 Weeks Tape & Reel (TR) 2011 Kinetis K20 Active 3 (168 Hours) 80 3A991.A.2 12mm ROHS3 Compliant 80-LQFP 12mm Surface Mount -40°C~105°C TA CMOS 1.6mm 8542.31.00.01 QUAD GULL WING NOT SPECIFIED 3.3V NOT SPECIFIED YES 0.5mm S-PQFP-G80 1.71V 3.6V 100MHz Internal ARM® Cortex®-M4 128K x 8 52 MICROCONTROLLER, RISC DMA, I2S, LVD, POR, PWM, WDT 32MHz 32 YES YES YES YES 1.71V~3.6V FLASH CANbus, EBI/EMI, I2C, IrDA, SD, SPI, UART/USART, USB, USB OTG 32-Bit 512KB 512K x 8 A/D 27x16b; D/A 1x12b
KMPC885CVR133 KMPC885CVR133 NXP USA Inc. 0.0000
RFQ

Min: 1

Mult: 1

0.00000000 download Tray 2002 MPC8xx Obsolete 3 (168 Hours) ROHS3 Compliant 357-BBGA -40°C~100°C TA MPC885 133MHz 10Mbps (3), 10/100Mbps (2) USB 2.0 (1) 3.3V 1 Core 32-Bit No DRAM Communications; CPM, Security; SEC Cryptography HDLC/SDLC, I2C, IrDA, PCMCIA, SPI, TDM, UART/USART
MC68HC11E0CFNE2R MC68HC11E0CFNE2R NXP USA Inc. 0.0000
RFQ

Min: 1

Mult: 1

0.00000000 download Tape & Reel (TR) 2005 HC11 Not For New Designs 3 (168 Hours) 52 EAR99 19.125mm ROHS3 Compliant 52-LCC (J-Lead) 19.125mm Surface Mount -40°C~85°C TA HCMOS 5.08mm 8542.31.00.01 e3 MATTE TIN QUAD J BEND 250 5V 30 MC68HC11 YES 1.27mm S-PQCC-J52 4.5V 5.5V 2MHz Internal 512 x 8 38 16 8 MICROCONTROLLER POR, WDT 8MHz 8 YES NO NO NO 4.5V~5.5V ROMless SCI, SPI 8-Bit A/D 8x8b
MCIMX6G1CVM05ABR MCIMX6G1CVM05ABR NXP USA Inc. 0.0000
RFQ

Min: 1

Mult: 1

0.00000000 download 15 Weeks Tape & Reel (TR) i.MX6UL Active 3 (168 Hours) ROHS3 Compliant 289-LFBGA -40°C~105°C TJ 528MHz 10/100Mbps (1) USB 2.0 + PHY (2) ARM® Cortex®-A7 1.2V 1.35V 1.5V 1.8V 2.5V 2.8V 3.3V 1 Core 32-Bit No LPDDR2, DDR3, DDR3L Multimedia; NEON™ SIMD ARM TZ, A-HAB, CAAM, CSU, SJC, SNVS LVDS CAN, EBI/EMI, I2C, I2S, MMC/SD/SDIO, QSPI, SAI, SPI, SSI, S/PDIF, UART
Settings Need Help?
Top FAQ's

How can I quickly find answers to my questions?

Please visit the Help & Support area of our website to find information regarding ordering, shipping, delivery and more.

What is my Order Status?

Registered users can track orders from their account dropdown, or click here. *Order Status may take 12 hours to update after initial order is placed.

How do I return product?

Users can begin the returns process by starting with our Returns Page.

How do I find price and availability?

Quotes can be created by registered users in myLists.

How do I create a 'HK JDW' Account?

Visit the Registration Page and enter the required information. You will receive an email confirmation when your registration is complete.

United Kingdom/GBP Summary
Fast Shipping Fast Delivery

Orders are typically delivered to United Kingdom within 48 hours depending on location.

Free Shipping Free Shipping

Free delivery to United Kingdom on orders of £33 or more. A delivery charge of £12 will be billed on all orders less than £33.

Incoterms Incoterms

DDP (Duty and customs paid by HK JDW)

Payment Options Payment Types

Credit account for qualified institutions and businesses

Payment in Advance by Wire Transfer

Visa Mastercard American Express PayPal Apple Pay Google Pay

Marketplace Marketplace Product

More Products From Fully Authorized Partners

Average Time to Ship 1-3 Days, extra ship charges may apply. Please see product page, cart, and checkout for actual ship speed.

Incoterms: CPT (Duty, customs, and applicable VAT/Tax due at time of delivery)

For more information visit Help & Support