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 ECCN Code Max Operating Temperature Min Operating Temperature Operating Supply Voltage Length RoHS Status Lead Free Radiation Hardening Number of Pins Additional Feature Package / Case Interface Max Supply Voltage REACH SVHC Reach Compliance Code Min Supply Voltage Height Width Mounting Type Operating Temperature Technology Height Seated (Max) HTS Code Type JESD-609 Code Terminal Finish Terminal Position 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) Subcategory Qualification Status Power Supplies Supply Voltage-Max (Vsup) Output Voltage Feature Supplier Device Package Source Url Status Check Date Logic Function Memory Size 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 Non-Volatile Memory Number of Timers Date Format Current - Timekeeping (Max) Voltage - Supply, Battery
X1226S8 X1226S8 Intersil (Renesas Electronics America) 0.0000
RFQ

Min: 1

Mult: 1

0.00000000 download Surface Mount 2004 1 8 EAR99 70°C 0°C 4.9022mm RoHS Compliant Contains Lead SOIC 2-Wire, I2C, Serial 3.9116mm CMOS 1.7272mm 8542.39.00.01 e0 Tin/Lead (Sn/Pb) DUAL 240 5V NOT SPECIFIED 8 COMMERCIAL 1.27mm R-PDSO-G8 2.7V Timer or RTC Not Qualified 3/5V 5.5V HH:MM:SS (12/24 hr) TIMER, REAL TIME CLOCK 0.032MHz SECONDS Y NO I2C 1 YY-MM-DD-dd
DS1687-3+ DS1687-3+ Maxim Integrated 0.0000
RFQ

Min: 1

Mult: 1

0.00000000 download 6 Weeks Tube 2000 yes Active 1 (Unlimited) 24 EAR99 33.782mm ROHS3 Compliant Lead Free 24 24-DIP Module (0.600, 15.24mm) Parallel not_compliant Through Hole 0°C~70°C CMOS 9.398mm 8473.30.11.80 Clock/Calendar e3 Matte Tin (Sn) DUAL 260 3V NOT SPECIFIED DS1687 24 NO 2.54mm Timer or RTC Not Qualified 3V Alarm, NVSRAM, Square Wave Output, Y2K 242B 2.7V~3.7V HH:MM:SS (12/24 hr) 8 0.032MHz SECONDS Y YES 1 YY-MM-DD-dd 2mA @ 3V 2.5V~3.7V
PCF2123BS/1,112 PCF2123BS/1,112 NXP Semiconductors / Freescale 0.0000
RFQ

Min: 1

Mult: 1

0.00000000 download 1 16 85°C -40°C 3mm RoHS Compliant No 16 3mm CMOS 1mm e3 MATTE TIN QUAD 225 2V 16 INDUSTRIAL YES 0.5mm 1.1V Timer or RTC 1.1/5.5V 5.5V 2013-06-14 00:00:00 Clock 8 HH:MM:SS 0.032MHz SECONDS Y YES SERIAL, 3-WIRE 1
X1227S8Z-4.5A X1227S8Z-4.5A Intersil (Renesas Electronics America) 0.0000
RFQ

Min: 1

Mult: 1

0.00000000 Surface Mount Bulk 1 8 EAR99 70°C 0°C 4.9022mm RoHS Compliant Lead Free SOIC 2-Wire, I2C, Serial 3.9116mm CMOS 1.7272mm 8542.39.00.01 e3 MATTE TIN DUAL 260 5V 40 8 COMMERCIAL 1.27mm R-PDSO-G8 4.5V Timer or RTC Not Qualified 5V 5.5V 512B HH:MM:SS (12/24 hr) TIMER, REAL TIME CLOCK 0.032MHz SECONDS Y NO I2C 1 YY-MM-DD-dd
X1288V14 X1288V14 Intersil (Renesas Electronics America) 0.0000
RFQ

Min: 1

Mult: 1

0.00000000 download Surface Mount Bulk 2005 1 14 EAR99 70°C 0°C 5mm RoHS Compliant Contains Lead TSSOP 2-Wire, I2C, Serial 4.4mm CMOS 1.2mm 8542.39.00.01 e0 Tin/Lead (Sn/Pb) DUAL 240 5V 30 14 COMMERCIAL 0.65mm R-PDSO-G14 4.5V Timer or RTC Not Qualified 5V 5.5V 31.3kB HH:MM:SS:hh (12/24 hr) TIMER, REAL TIME CLOCK 0.032MHz 1/100SECOND Y YES I2C 1 YY-MM-DD-dd
1338A-31DVGI8 1338A-31DVGI8 Renesas Electronics America 0.0000
RFQ

Min: 1

Mult: 1

0.00000000 Tape & Reel (TR) Last Time Buy 1 (Unlimited) 8-TSSOP, 8-MSOP (0.118, 3.00mm Width) I2C Surface Mount -40°C~85°C Clock/Calendar Leap Year, NVSRAM, Square Wave Output 56b 2.7V~5.5V HH:MM:SS (12/24 hr) YY-MM-DD-dd 5μA @ 3.63V~5.5V 1.3V~3.7V
MCP795W20-I/SL MCP795W20-I/SL Microchip Technology 0.0000
RFQ

Min: 1

Mult: 1

0.00000000 download 5 Weeks Surface Mount Tube 2011 Active 1 (Unlimited) 14 EAR99 8.65mm ROHS3 Compliant Lead Free No 14 ALSO OPEARTES AT 1.8 V MINIMUM SUPPLY AT 3 MHZ 14-SOIC (0.154, 3.90mm Width) SPI 1.5mm 3.9mm Surface Mount -40°C~85°C CMOS 8542.39.00.01 Clock/Calendar e3 Matte Tin (Sn) - annealed DUAL 260 5V 40 MCP795W20 14 1.27mm Timer or RTC 2/5V 250V Alarm, EEPROM, Leap Year, Square Wave Output, SRAM, Watchdog Timer Clock 64B 8 1.8V~3.6V HH:MM:SS:hh (12/24 hr) 10MHz 1/100SECOND Y NO YY-MM-DD-dd 1μA @ 1.8V~5.5V 1.3V~3.6V
DS1685S-3 DS1685S-3 Rochester Electronics 0.0000
RFQ

Min: 1

Mult: 1

0.00000000 download Tube no Obsolete 3 (168 Hours) 24 15.4mm Non-RoHS Compliant 24-SOIC (0.295, 7.50mm Width) Parallel 7.5mm Surface Mount 0°C~70°C CMOS 2.65mm Clock/Calendar e0 TIN LEAD DUAL 245 3V NOT SPECIFIED 24 YES 1.27mm R-PDSO-G24 COMMERCIAL Alarm, NVSRAM, Square Wave Output, Y2K 242B 2.7V~3.7V HH:MM:SS (12/24 hr) 8 0.032MHz 1 YY-MM-DD-dd 2mA @ 3V 2.5V~3.7V
DS1743P-70+ DS1743P-70+ Rochester Electronics 0.0000
RFQ

Min: 1

Mult: 1

0.00000000 download Tube yes Obsolete 1 (Unlimited) 34 ROHS3 Compliant A POWERCAP MODULE CONTAINING CRYSTAL AND BATTERY REQUIRED 34-PowerCap™ Module Parallel unknown Surface Mount 0°C~70°C Clock/Calendar e3 TIN DUAL 260 5V NOT SPECIFIED 34 YES R-XDMA-U34 COMMERCIAL Leap Year, NVSRAM, Y2K 8KB 4.5V~5.5V HH:MM:SS (24 hr) 8 0.032MHz YY-MM-DD-dd 3mA @ 5V 3V
1338AC-31SRGI 1338AC-31SRGI Renesas Electronics America 0.0000
RFQ

Min: 1

Mult: 1

0.00000000 download Tube Last Time Buy 3 (168 Hours) ROHS3 Compliant 16-SOIC (0.295, 7.50mm Width) I2C, 2-Wire Serial Surface Mount -40°C~85°C Clock/Calendar Leap Year, NVSRAM, Square Wave Output 16-SOIC 56B 3.3V~5.5V HH:MM:SS (12/24 hr) YY-MM-DD-dd 5μA @ 3.63V~5.5V 1.3V~3.7V
ISL12025IVZ-T ISL12025IVZ-T Intersil 0.0000
RFQ

Min: 1

Mult: 1

0.00000000
RX8900SA:UBB PURE SN RX8900SA:UBB PURE SN EPSON 0.0000
RFQ

Min: 1

Mult: 1

0.00000000 download 13 Weeks RX8900SA Active 1 (Unlimited) ROHS3 Compliant 14-SOIC (0.197, 5.00mm Width) I2C Surface Mount -40°C~85°C Clock/Calendar Alarm 14-SOP 2.5V~5.5V HH:MM:SS (24 hr) YY-MM-DD-dd 1.4μA~1.5μA @ 3V~5V 1.6V~5.5V
ISL12082IB8Z-T ISL12082IB8Z-T Intersil (Renesas Electronics America) 0.0000
RFQ

Min: 1

Mult: 1

0.00000000 download 19 Weeks Surface Mount Tape & Reel 2008 Active 1 8 EAR99 85°C -40°C 3.3V 4.9mm RoHS Compliant No SOIC 2-Wire, I2C, Serial 5.5V 2.7V 3.9mm CMOS 1.75mm 8542.39.00.01 e3 Matte Tin (Sn) - annealed DUAL 3.3V 8 INDUSTRIAL 1.27mm R-PDSO-G8 Timer or RTC 3/5V Clock HH:MM:SS:hh 1/100SECOND Y NO I2C YY-MM-DD-dd
PCF8583BS/5,118 PCF8583BS/5,118 NXP Semiconductors 0.0000
RFQ

Min: 1

Mult: 1

0.00000000
ISL1221IUZ-T ISL1221IUZ-T Renesas Electronics America 0.0000
RFQ

Min: 1

Mult: 1

0.00000000 download 6 Weeks Cut Tape (CT) 2004 Active 2 (1 Year) 10 EAR99 3mm ROHS3 Compliant 10-TFSOP, 10-MSOP (0.118, 3.00mm Width) I2C, 2-Wire Serial 3mm Surface Mount -40°C~85°C CMOS 1.1mm 8542.39.00.01 Time Event Recorder e3 Matte Tin (Sn) - annealed DUAL NOT SPECIFIED 3V NOT SPECIFIED ISL1221 10 YES 0.5mm S-PDSO-G10 Alarm, Leap Year, SRAM 2B 2.7V~5.5V HH:MM:SS (12/24 hr) I2C YY-MM-DD-dd 4μA~6μA @ 3V~5V 1.8V~5.5V
PCF2123BS/1,112 PCF2123BS/1,112 NXP Semiconductors 0.0000
RFQ

Min: 1

Mult: 1

0.00000000
DS1338U-33/T&R DS1338U-33/T&R Rochester Electronics 0.0000
RFQ

Min: 1

Mult: 1

0.00000000 download Tape & Reel (TR) Obsolete 1 (Unlimited) Non-RoHS Compliant 8-TSSOP, 8-MSOP (0.118, 3.00mm Width) I2C, 2-Wire Serial Surface Mount -40°C~85°C Clock/Calendar Leap Year, NVSRAM, Square Wave Output 8-uMAX 56B 3V~5.5V HH:MM:SS (12/24 hr) YY-MM-DD-dd 125μA~200μA @ 3.63V~5.5V 1.3V~3.7V
BQ4845S-A4NTR BQ4845S-A4NTR Rochester Electronics 0.0000
RFQ

Min: 1

Mult: 1

0.00000000 Tape & Reel (TR) Obsolete 1 (Unlimited) ROHS3 Compliant 28-SOIC (0.295, 7.50mm Width) Parallel Surface Mount -40°C~85°C Clock/Calendar Alarm, Daylight Savings, Leap Year, Supervisor, Watchdog Timer 28-SOIC 4.75V~5.5V HH:MM:SS (12/24 hr) YY-MM-DD-dd 1.5mA Typ @ 4.5 V~5.5 V 2.3V~4V
X1205V8I X1205V8I Intersil (Renesas Electronics America) 0.0000
RFQ

Min: 1

Mult: 1

0.00000000 download Surface Mount Bulk 2005 1 8 EAR99 85°C -40°C 4.4mm RoHS Compliant Contains Lead 8 TSSOP 2-Wire, I2C, Serial 5.5V 2.7V 3mm CMOS 1.2mm e0 Tin/Lead (Sn/Pb) DUAL 240 5V 30 8 INDUSTRIAL 0.65mm Timer or RTC Not Qualified 3/5V HH:MM:SS (12/24 hr) TIMER, REAL TIME CLOCK 0.032MHz SECONDS Y YES I2C YY-MM-DD-dd
RX-8803LC:UB6 PURE SN RX-8803LC:UB6 PURE SN EPSON 0.0000
RFQ

Min: 1

Mult: 1

0.00000000 download 15 Weeks Tape & Reel (TR) RX-8803LC Active 1 (Unlimited) ROHS3 Compliant 12-TFSOJ (0.094, 2.40mm Width) I2C Surface Mount -40°C~85°C Clock/Calendar Alarm 1.6V~5.5V HH:MM:SS YY-MM-DD 2.1μA~3.4μA @ 3V~5V
DS1743P-85+ DS1743P-85+ Maxim Integrated 0.0000
RFQ

Min: 1

Mult: 1

0.00000000 download Surface Mount Tube 2012 yes Obsolete 3 (168 Hours) 34 EAR99 70°C 0°C 5V ROHS3 Compliant No 34 Module Parallel 5.5V 4.5V CMOS 8473.30.11.80 e3 Matte Tin (Sn) DUAL 5V 34 COMMERCIAL Timer or RTC 5V Clock 8kB HH:MM:SS 8 0.032MHz SECONDS N NO YY-MM-DD-dd
DS17487N-3 DS17487N-3 Maxim Integrated 0.0000
RFQ

Min: 1

Mult: 1

0.00000000 download Through Hole Tube 2012 no Obsolete 1 (Unlimited) 24 EAR99 3V 31.75mm Non-RoHS Compliant Contains Lead No 24 24-DIP Module (0.600, 15.24mm) Parallel Through Hole -40°C~85°C CMOS 5.08mm 8542.39.00.01 Clock/Calendar e0 Tin/Lead (Sn/Pb) DUAL 3V DS17487 24 2.54mm Timer or RTC 3V Alarm, Daylight Savings, Leap Year, NVSRAM, Square Wave Output Clock 4KB 2.7V~3.7V HH:MM:SS (12/24 hr) 8 0.032MHz SECONDS Y NO 1 YY-MM-DD-dd 2mA @ 2.7V~3.7V 2.5V~3.7V
ISL1208IU8Z-T7A ISL1208IU8Z-T7A Intersil (Renesas Electronics America) 0.0000
RFQ

Min: 1

Mult: 1

0.00000000 download 14 Weeks Surface Mount Cut Tape (CT) 2004 Active 2 8 EAR99 85°C -40°C 3mm RoHS Compliant Lead Free No 8 MSOP 2-Wire, I2C, Serial 5.5V Unknown 2.7V 3mm CMOS 1.1mm e3 Matte Tin (Sn) - annealed DUAL 260 3V 40 INDUSTRIAL 0.65mm Clock 2B HH:MM:SS 0.032MHz I2C 2 B YY-MM-DD-dd
IDT1338-31DCGI8 IDT1338-31DCGI8 Integrated Device Technology (IDT) 0.0000
RFQ

Min: 1

Mult: 1

0.00000000 download Surface Mount Tape & Reel (TR) 2008 85°C -40°C RoHS Compliant SOIC 2-Wire, I2C, Serial 56B HH:MM:SS (12/24 hr) YY-MM-DD-dd
X1288S16I-4.5AT1 X1288S16I-4.5AT1 Intersil (Renesas Electronics America) 0.0000
RFQ

Min: 1

Mult: 1

0.00000000 Surface Mount Tape & Reel (TR) 1 16 EAR99 85°C -40°C 10.3mm Non-RoHS Compliant Contains Lead SOIC 2-Wire, I2C, Serial not_compliant 7.5mm CMOS 2.65mm 8542.39.00.01 e0 Tin/Lead (Sn/Pb) DUAL 240 5V NOT SPECIFIED 16 INDUSTRIAL 1.27mm R-PDSO-G16 4.5V Timer or RTC Not Qualified 5V 5.5V 31.3kB HH:MM:SS:hh (12/24 hr) TIMER, REAL TIME CLOCK 0.032MHz 1/100SECOND Y YES I2C 1 YY-MM-DD-dd
ISL12030IBZ ISL12030IBZ Renesas Electronics America 0.0000
RFQ

Min: 1

Mult: 1

0.00000000 download Tube 2007 Obsolete 1 (Unlimited) ROHS3 Compliant 8-SOIC (0.154, 3.90mm Width) I2C, 2-Wire Serial Surface Mount -40°C~85°C Clock/Calendar ISL12030 Alarm, Daylight Savings, SRAM 128B 2.7V~5.5V HH:MM:SS:hh (12/24 hr) YY-MM-DD-dd 18μA @ 5.5V
MAX31329ELB+ MAX31329ELB+ Maxim Integrated 0.0000
RFQ

Min: 1

Mult: 1

0.00000000
X1226V8T1 X1226V8T1 Renesas Electronics America Inc. 0.0000
RFQ

Min: 1

Mult: 1

0.00000000 download Tape & Reel (TR) 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 X1226 Alarm, Leap Year 2.7V~5.5V HH:MM:SS (12/24 hr) YY-MM-DD-dd 10μA~20μA @ 2.7V~5V 1.8V~5.5V
ISL12028AIV27Z ISL12028AIV27Z Intersil (Renesas Electronics America) 0.0000
RFQ

Min: 1

Mult: 1

0.00000000 download Surface Mount 2005 Active 1 14 EAR99 85°C -40°C 3.3V 5mm RoHS Compliant No 14 TSSOP 2-Wire, I2C, Serial 5.5V 2.7V 4.4mm CMOS 1.2mm 8542.39.00.01 e3 Matte Tin (Sn) - annealed DUAL 3.3V INDUSTRIAL 0.65mm Timer or RTC 3/5V Clock HH:MM:SS 0.032MHz SECONDS Y YES I2C YY-MM-DD-dd
X1205V8IZ X1205V8IZ Renesas Electronics America 0.0000
RFQ

Min: 1

Mult: 1

0.00000000 download Tube 2005 Obsolete 1 (Unlimited) ROHS3 Compliant 8-TSSOP (0.173, 4.40mm Width) I2C, 2-Wire Serial Surface Mount -40°C~85°C Clock/Calendar e3 Matte Tin (Sn) NOT SPECIFIED NOT SPECIFIED X1205 Alarm, Leap Year 2.7V~5.5V HH:MM:SS (12/24 hr) YY-MM-DD-dd 10μA~20μA @ 2.7V~5V 1.8V~5.5V
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