Call us: +86 0755-82563503

Currency: $ US Dollar

Items : %s%s

RTCs

Compare Image Name Manufacturer Pricing(USD) Quantity Weight(Kg) Size(LxWxH) Datasheet Factory Lead Time 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 Length RoHS Status Lead Free Contact Plating Radiation Hardening Number of Pins Package / Case Interface Max Supply Voltage REACH SVHC Reach Compliance Code Min Supply Voltage Frequency Height Width Thickness Mounting Type Weight Operating Temperature Technology Operating Supply Current Height Seated (Max) HTS Code Number of Functions Type 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 Temperature Grade Surface Mount Terminal Pitch JESD-30 Code Supply Voltage-Min (Vsup) Operating Temperature (Max) Operating Temperature (Min) Number of Channels Subcategory Qualification Status Power Supplies Supply Voltage-Max (Vsup) Ambient Temperature Range High Voltage Number of Outputs Feature Adjustable Threshold Supplier Device Package Number of Terminals Logic Function Access Time Memory Size Memory Type Number of Bits Voltage - Supply Time Format External Data Bus Width uPs/uCs/Peripheral ICs Type Clock Frequency Time-Min Interrupt Capability Volatile Information Access Method Number of Timers Date Format Current - Timekeeping (Max) Voltage - Supply, Battery
ISL12027IBZ ISL12027IBZ Rochester Electronics 0.0000
RFQ

Min: 1

Mult: 1

0.00000000 download Tube Obsolete 1 (Unlimited) ROHS3 Compliant 8-SOIC (0.154, 3.90mm Width) I2C, 2-Wire Serial Surface Mount -40°C~85°C Clock/Calendar Alarm, Leap Year, Supervisor, Watchdog Timer 8-SOIC 2.7V~5.5V HH:MM:SS (12/24 hr) YY-MM-DD-dd 10μA~20μA @ 2.7V~5.5V 1.8V~5.5V
PCF8563T/5,518 PCF8563T/5,518 NXP Semiconductors 0.0000
RFQ

Min: 1

Mult: 1

0.00000000 download 7 Weeks Tape & Reel (TR) 2003 Active 2 (1 Year) 8 4.9mm ROHS3 Compliant 8-SOIC (0.154, 3.90mm Width) I2C, 2-Wire Serial 3.9mm Surface Mount -40°C~85°C CMOS 1.75mm 8542.39.00.01 Clock/Calendar e4 Nickel/Palladium/Gold (Ni/Pd/Au) DUAL 260 2V NOT SPECIFIED PCF8563 8 YES 1.27mm R-PDSO-G8 Timer or RTC Not Qualified 2/5V Alarm, Leap Year, Watchdog Timer 1.8V~5.5V HH:MM:SS (24 hr) 0.032MHz SECONDS Y YES I2C YY-MM-DD-dd 0.6μA~0.75μA @ 2V~5V
M48T37Y-70MH6F M48T37Y-70MH6F STMicroelectronics 0.0000
RFQ

Min: 1

Mult: 1

0.00000000 download Surface Mount Tape & Reel (TR) Timekeeper® Obsolete 1 (Unlimited) 44 EAR99 5V 18.1mm ROHS3 Compliant Lead Free 44 44-BSOP (0.337, 8.56mm Width) requires SNAPHAT Parallel 70GHz 8.56mm Surface Mount -40°C~85°C CMOS 3.05mm 8542.39.00.01 Clock/Calendar DUAL 260 5V 10 M48T37 44 0.81mm Timer or RTC Not Qualified 5V Alarm, Leap Year, Watchdog Timer Clock 70 ns 250kB 8 4.5V~5.5V HH:MM:SS (24 hr) 8 SECONDS Y NO YY-MM-DD-dd 3mA @ 4.5V~5.5V
RV-3049-C3-32.768KHZ-OPTION-B-TA-QC RV-3049-C3-32.768KHZ-OPTION-B-TA-QC Micro Crystal 0.0000
RFQ

Min: 1

Mult: 1

0.00000000 download 2 Weeks Tape & Reel (TR) Automotive, AEC-Q200 Active 1 (Unlimited) ROHS3 Compliant 10-VCDFN SPI, 4-Wire Serial Surface Mount -40°C~85°C TA Clock/Calendar Gold Flash (Au) 260 40 Alarm, NVRAM, RAM, Trickle Charger 2B 8B 1.3V~5.5V HH:MM:SS YY-MM-DD-dd 1μA @ 3V
ISL12028AIV27Z-T ISL12028AIV27Z-T Renesas Electronics America 0.0000
RFQ

Min: 1

Mult: 1

0.00000000 download Tape & Reel (TR) Obsolete 1 (Unlimited) ROHS3 Compliant 14-TSSOP (0.173, 4.40mm Width) I2C, 2-Wire Serial unknown Surface Mount -40°C~85°C Clock/Calendar ISL12028A Alarm, Leap Year, Supervisor, Watchdog Timer 2.7V~5.5V HH:MM:SS (12/24 hr) YY-MM-DD-dd 10μA~20μA @ 2.7V~5.5V 1.8V~5.5V
DS1501YZ+T&R DS1501YZ+T&R Maxim Integrated 0.0000
RFQ

Min: 1

Mult: 1

0.00000000 download 8 Weeks Surface Mount Tape & Reel (TR) 2002 Active 1 (Unlimited) 70°C 0°C 5V ROHS3 Compliant No 28 28-SOIC (0.295, 7.50mm Width) Parallel 5.5V 4.5V Surface Mount 0°C~70°C Clock/Calendar DS1501 Alarm, Leap Year, NVSRAM, Square Wave Output, Watchdog Timer, Y2K 28-SOIC Clock 256B 4.5V~5.5V HH:MM:SS (24 hr) YY-MM-DD-dd 5mA @ 4.5V~5.5V 2.5V~3.7V
RV-3029-C2-32.768KHZ-OPTION-B-TB-QA RV-3029-C2-32.768KHZ-OPTION-B-TB-QA Micro Crystal 0.0000
RFQ

Min: 1

Mult: 1

0.00000000 download 2 Weeks Tape & Reel (TR) Automotive, AEC-Q200 Active 1 (Unlimited) ROHS3 Compliant 10-TCDFN Exposed Pad I2C, 2-Wire Serial Surface Mount -40°C~125°C TA Clock/Calendar Gold Flash (Au) 260 40 Alarm, NVRAM, RAM, Trickle Charger 2B 8B 1.3V~5.5V HH:MM:SS YY-MM-DD-dd 1μA @ 3V
DS1307Z+ DS1307Z+ Maxim Integrated 0.0000
RFQ

Min: 1

Mult: 1

0.00000000 download 6 Weeks Surface Mount Tube 2005 yes Active 1 (Unlimited) 8 EAR99 5V 5mm ROHS3 Compliant Lead Free Tin No 8 8-SOIC (0.154, 3.90mm Width) I2C, 2-Wire Serial No SVHC 32.768kHz 1.5mm 4mm Surface Mount 540.001716mg 0°C~70°C CMOS 1.5mA Clock/Calendar e3 DUAL 260 5V DS1307 8 Timer or RTC 5V 5V 1 Leap Year, NVSRAM, Square Wave Output Clock 56B RAM 4.5V~5.5V HH:MM:SS (12/24 hr) SECONDS N YES I2C 1 YY-MM-DD-dd 200μA @ 5V 2V~3.5V
DS1338C-33#T&R DS1338C-33#T&R Maxim Integrated 0.0000
RFQ

Min: 1

Mult: 1

0.00000000 download 6 Weeks Surface Mount Tape & Reel (TR) 2012 Active 1 (Unlimited) 85°C -40°C 3.3V ROHS3 Compliant Tin No 16 16-SOIC (0.295, 7.50mm Width) I2C, 2-Wire Serial 5.5V 3V Surface Mount 665.986997mg -40°C~85°C Clock/Calendar DS1338 Leap Year, NVSRAM, Square Wave Output 16-SOIC Clock 56B 3V~5.5V HH:MM:SS (12/24 hr) YY-MM-DD-dd 125μA~200μA @ 3.63V~5.5V 1.3V~3.7V
CV193DPAG8 CV193DPAG8 Integrated Device Technology (IDT) 0.0000
RFQ

Min: 1

Mult: 1

0.00000000 download 2009 RoHS Compliant No TSSOP
DS1643-100+ DS1643-100+ Maxim Integrated 0.0000
RFQ

Min: 1

Mult: 1

0.00000000 download Tube 2005 yes Obsolete 1 (Unlimited) 28 EAR99 37.595mm ROHS3 Compliant 28-DIP Module (0.600, 15.24mm) Parallel not_compliant 15.24mm Through Hole 0°C~70°C CMOS 9.02mm 8473.30.11.80 Clock/Calendar e3 Matte Tin (Sn) DUAL NOT SPECIFIED 5V NOT SPECIFIED DS1643 28 NO 2.54mm R-XDMA-P28 Timer or RTC Not Qualified 5V Leap Year, NVSRAM 8KB 4.5V~5.5V HH:MM:SS (24 hr) 8 0.032MHz SECONDS N NO 1 YY-MM-DD-dd 3mA @ 5V
RX-8035SA:AA3:PURE SN RX-8035SA:AA3:PURE SN EPSON 0.0000
RFQ

Min: 1

Mult: 1

0.00000000 download 13 Weeks Tape & Reel (TR) RX-8035SA Active 1 (Unlimited) ROHS3 Compliant 14-SOIC, Non-Standard I2C, 2-Wire Serial Surface Mount -40°C~85°C Time Event Recorder Alarm 14-SOP 2.4V~5.5V HH:MM:SS (12/24 hr) YY-MM-DD-dd 2.5μA @ 3V 1V~5.5V
Q41802551000200 Q41802551000200 Seiko 0.0000
RFQ

Min: 1

Mult: 1

0.00000000
RTC-7301SF:B ROHS RTC-7301SF:B ROHS EPSON 0.0000
RFQ

Min: 1

Mult: 1

0.00000000 download 13 Weeks Active 1 (Unlimited) ROHS3 Compliant 24-SOP (0.213, 5.40mm Width) Parallel Surface Mount -40°C~85°C Clock/Calendar Alarm 24-SSOP 2.4V~5.5V 1μA~2μA @ 3V~5V
X1227V8-2.7 X1227V8-2.7 Renesas Electronics America 0.0000
RFQ

Min: 1

Mult: 1

0.00000000 download Tube Obsolete 1 (Unlimited) Non-RoHS Compliant 8-TSSOP (0.173, 4.40mm Width) I2C, 2-Wire Serial Surface Mount 0°C~70°C Clock/Calendar X1227 Alarm, Leap Year, Supervisor, Watchdog Timer 2.7V~5.5V HH:MM:SS (12/24 hr) YY-MM-DD-dd 10μA~20μA @ 2.7V~5V 1.8V~5.5V
DS1338Z-3+ DS1338Z-3+ Maxim Integrated 0.0000
RFQ

Min: 1

Mult: 1

0.00000000 download 7 Weeks Surface Mount Tube 2006 yes Active 1 (Unlimited) 8 EAR99 3V 5mm ROHS3 Compliant Contains Lead No 8 8-SOIC (0.154, 3.90mm Width) I2C, 2-Wire Serial Unknown 1.5mm 4mm Surface Mount 540.001716mg -40°C~85°C CMOS Clock/Calendar e3 Tin (Sn) DUAL 260 3V DS1338 8 1.27mm Timer or RTC 3V Leap Year, NVSRAM, Square Wave Output Clock 56B 2.7V~5.5V HH:MM:SS (12/24 hr) 0.032MHz SECONDS N NO I2C 1 YY-MM-DD-dd 200μA @ 3.3V 1.3V~3.7V
DS1337+ DS1337+ Maxim Integrated 0.0000
RFQ

Min: 1

Mult: 1

0.00000000 download 6 Weeks Through Hole Tube 2006 yes Active 1 (Unlimited) 8 Through Hole EAR99 3.3V 9.91mm ROHS3 Compliant Contains Lead No 8 8-DIP (0.300, 7.62mm) I2C, 2-Wire Serial Unknown 32.768kHz 4.45mm 7.87mm Through Hole -40°C~85°C CMOS Clock/Calendar e3 Matte Tin (Sn) DUAL 260 3.3V 30 DS1337 8 Timer or RTC 1.5/5V 2 Alarm, Leap Year, Square Wave Output Clock 1.8V~5.5V HH:MM:SS (12/24 hr) SECONDS Y YES I2C 1 YY-MM-DD-dd 0.6μA @ 1.3V~1.8V
MAX6910EO30+T MAX6910EO30+T Maxim Integrated 0.0000
RFQ

Min: 1

Mult: 1

0.00000000 download Tape & Reel (TR) 2013 Obsolete 1 (Unlimited) 20 EAR99 85°C -40°C 8.65mm ROHS3 Compliant Lead Free 20-SSOP (0.154, 3.90mm Width) I2C, 2-Wire Serial 3.9mm Surface Mount BICMOS 1.73mm 8542.39.00.01 1 Clock/Calendar/Supervisor e3 Matte Tin (Sn) DUAL 260 3V NOT SPECIFIED MAX6910 20 INDUSTRIAL YES 0.635mm R-PDSO-G20 2.7V 1 Not Qualified 3.3V YES Clock 31B 2.7V~3.3V HH:MM:SS (12/24 hr) YY-MM-DD-dd
1338C-18SRI8 1338C-18SRI8 Integrated Device Technology (IDT) 0.0000
RFQ

Min: 1

Mult: 1

0.00000000 download Surface Mount Tape & Reel 2006 no Discontinued 3 16 EAR99 85°C -40°C 1.8V 10.4mm RoHS Compliant Contains Lead No 16 SOIC 2-Wire, I2C, Serial 7.6mm 2.34mm CMOS 2.65mm 8542.39.00.01 e3 Matte Tin (Sn) - annealed DUAL 260 3.3V 16 INDUSTRIAL 1.27mm Timer or RTC 2/5V 5.5V Clock 56B HH:MM:SS (12/24 hr) 0.032MHz SECONDS N NO I2C 1 YY-MM-DD-dd
X1227V8IZ X1227V8IZ Intersil Corporation 0.0000
RFQ

Min: 1

Mult: 1

0.00000000 1 EAR99 4.4mm RoHS Compliant compliant 3mm CMOS 1.2mm 8542.39.00.01 e3 MATTE TIN DUAL GULL WING 260 5V 40 8 INDUSTRIAL YES 0.65mm R-PDSO-G8 4.5V 85°C -40°C Timer or RTC Not Qualified 5V 5.5V 8 TIMER, REAL TIME CLOCK 0.032MHz SECONDS Y NO I2C 1
RX-8035LC:B PURE SN RX-8035LC:B PURE SN EPSON 0.0000
RFQ

Min: 1

Mult: 1

0.00000000 download 13 Weeks RX-8035LC Active 1 (Unlimited) ROHS3 Compliant 12-TFSOJ (0.094, 2.40mm Width) I2C, 2-Wire Serial Surface Mount -40°C~85°C Time Event Recorder Alarm 12-VSOJ 2.4V~5.5V HH:MM:SS (12/24 hr) YY-MM-DD-dd 2.5μA @ 3V 1V~5.5V
PCF8563T/5 PCF8563T/5 NXP Semiconductors / Freescale 0.0000
RFQ

Min: 1

Mult: 1

0.00000000 Surface Mount 2 8 EAR99 85°C -40°C 5mm RoHS Compliant 8 SOIC I2C 5.5V 1V 1.75mm 4mm CMOS DUAL 2V 8 INDUSTRIAL 1.27mm Not Qualified 85°C 3 HH:MM:SS TIMER, REAL TIME CLOCK I2C 1
MCP79412-I/MS MCP79412-I/MS Microchip Technology 0.0000
RFQ

Min: 1

Mult: 1

0.00000000 download 7 Weeks Surface Mount Tube 2011 Active 1 (Unlimited) 8 EAR99 3mm ROHS3 Compliant No 8 8-TSSOP, 8-MSOP (0.118, 3.00mm Width) I2C, 2-Wire Serial 3mm Surface Mount -40°C~85°C CMOS 1.1mm Clock/Calendar e3 Matte Tin (Sn) - annealed DUAL 260 5V 40 MCP79412 8 0.65mm Timers or RTCs 2/5V Alarm, Leap Year, Square Wave Output, SRAM, Unique ID Clock 64B 1Kb 1.8V~5.5V HH:MM:SS (12/24 hr) 0.4MHz SECONDS Y NO I2C YY-MM-DD-dd 1.2μA @ 3.3V 1.3V~5.5V
X1227S8IZ-2.7A X1227S8IZ-2.7A Intersil 0.0000
RFQ

Min: 1

Mult: 1

0.00000000
RTC-4701JE:B3ROHS RTC-4701JE:B3ROHS EPSON 0.0000
RFQ

Min: 1

Mult: 1

0.00000000
PT7C4337ACSEX PT7C4337ACSEX Diodes Incorporated 0.0000
RFQ

Min: 1

Mult: 1

0.00000000 download 21 Weeks Tape & Reel (TR) 2009 Active 3 (168 Hours) 16 EAR99 10.31mm ROHS3 Compliant 16-SOIC (0.295, 7.50mm Width) I2C, 2-Wire Serial 7.49mm Surface Mount -40°C~85°C TA CMOS 2.64mm Clock/Calendar DUAL NOT SPECIFIED 3.3V NOT SPECIFIED YES 1.27mm R-PDSO-G16 Alarm, Leap Year, Square Wave Output 1.8V~5.5V HH:MM:SS (12/24 hr) I2C 1 YY-MM-DD-dd 0.8μA @ 1.3V~1.8V
PT7C4563UEX PT7C4563UEX Diodes Incorporated 0.0000
RFQ

Min: 1

Mult: 1

0.00000000 download 9 Weeks Surface Mount Tape & Reel (TR) 2017 Last Time Buy 1 (Unlimited) 8 EAR99 3mm ROHS3 Compliant Lead Free 8-TSSOP, 8-MSOP (0.118, 3.00mm Width) I2C, 2-Wire Serial 3mm Surface Mount -40°C~85°C TA CMOS 1.1mm 8542.39.00.01 Clock/Calendar DUAL 3V PT7C4563 0.65mm S-PDSO-G8 Timer or RTC Not Qualified 1.5/5V Alarm, Leap Year, Square Wave Output Clock 1.3V~5.5V HH:MM:SS (24 hr) SECONDS Y YES I2C 1 YY-MM-DD-dd 0.65μA~0.85μA @ 3V~5V
1337DVGI8 1337DVGI8 Renesas Electronics America 0.0000
RFQ

Min: 1

Mult: 1

0.00000000 download Tape & Reel (TR) Active 3 (168 Hours) ROHS3 Compliant 8-TSSOP, 8-MSOP (0.118, 3.00mm Width) I2C, 2-Wire Serial Surface Mount -40°C~85°C Clock/Calendar IDT1337 Alarm, Leap Year, Square Wave Output 8-TSSOP 1.8V~5.5V HH:MM:SS (12/24 hr) YY-MM-DD-dd 0.6μA @ 1.3V~1.8V
DS1501W DS1501W Maxim Integrated 0.0000
RFQ

Min: 1

Mult: 1

0.00000000 download Through Hole Tube 2004 yes Obsolete 1 (Unlimited) 28 EAR99 3.3V 17.9mm Non-RoHS Compliant Contains Lead No 28 28-DIP (0.600, 15.24mm) Parallel 7.5mm Through Hole 0°C~70°C CMOS 2.65mm 8473.30.11.80 Clock/Calendar DUAL 3.3V DS1501 28 1.27mm Timers or RTCs Alarm, Leap Year, NVSRAM, Square Wave Output, Watchdog Timer, Y2K Clock 256B 3V~3.6V HH:MM:SS (24 hr) 8 0.032MHz SECONDS Y YES 1 YY-MM-DD-dd 4mA @ 3V~3.6V 2.5V~3.7V
X1227V8Z X1227V8Z Intersil 0.0000
RFQ

Min: 1

Mult: 1

0.00000000
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