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 Lifecycle Status 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 Contact Plating Radiation Hardening Number of Pins Additional Feature Package / Case Interface Max Supply Voltage REACH SVHC Min Supply Voltage Height Width Thickness Mounting Type Weight Operating Temperature Technology 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) Subcategory Qualification Status Power Supplies Supply Voltage-Max (Vsup) Feature Current - Output Supplier Device Package Source Url Status Check Date Logic Function Access Time Memory Size Function Number of Bits Supply Current-Max Voltage - Supply Time Format External Data Bus Width uPs/uCs/Peripheral ICs Type Clock Frequency RAM (words) On Chip Data RAM Width Time-Min Interrupt Capability Volatile Information Access Method Non-Volatile Memory Number of Timers Date Format Current - Timekeeping (Max) Voltage - Supply, Battery
BQ3285ESSTRG4 BQ3285ESSTRG4 Texas Instruments 0.0000
RFQ

Min: 1

Mult: 1

0.00000000 download Surface Mount Tape & Reel (TR) Obsolete 2 (1 Year) 24 EAR99 5V 8.65mm ROHS3 Compliant Lead Free Gold No 24 24-SSOP (0.154, 3.90mm Width) Parallel 3.9mm Surface Mount 129.500622mg 0°C~70°C CMOS 1.75mm 8542.39.00.01 Clock/Calendar e4 DUAL 260 5V BQ3285 24 0.635mm Timer or RTC 5V Alarm, Daylight Savings, Leap Year, NVSRAM, Square Wave Output Clock 242B 4.5V~5.5V HH:MM:SS (12/24 hr) 8 0.032MHz SECONDS Y NO 1 YY-MM-DD-dd 300μA @ 5V 2.5V~4V
DS1687-3+C01 DS1687-3+C01 Maxim Integrated 0.0000
RFQ

Min: 1

Mult: 1

0.00000000 download Through Hole 2012 yes 24 EAR99 70°C 0°C 3V 33.782mm RoHS Compliant No 24 Parallel 3.7V 2.7V CMOS 9.398mm 8542.39.00.01 e3 Matte Tin (Sn) DUAL 3V 24 COMMERCIAL 2.54mm Timer or RTC 3V Clock 242B HH:MM:SS (12/24 hr) 8 0.032MHz SECONDS Y YES 1 YY-MM-DD-dd
BQ4845YS-A4TRG4 BQ4845YS-A4TRG4 Texas Instruments 0.0000
RFQ

Min: 1

Mult: 1

0.00000000 no 28 EAR99 17.9705mm Non-RoHS Compliant Contains Lead 28 SOIC 7.5565mm CMOS 2.667mm 8542.39.00.01 DUAL GULL WING NOT SPECIFIED 5V NOT SPECIFIED 28 COMMERCIAL YES 1.27mm 4.5V 70°C Timer or RTC Not Qualified 5V 5.5V 8 TIMER, REAL TIME CLOCK 0.032MHz SECONDS Y NO PARALLEL, DIRECT ADDRESS 1
PT7C43190LEX PT7C43190LEX Diodes Incorporated 0.0000
RFQ

Min: 1

Mult: 1

0.00000000 download Tape & Reel (TR) Obsolete 1 (Unlimited) 8 EAR99 4.4mm ROHS3 Compliant 8-TSSOP (0.173, 4.40mm Width) 3-Wire Serial 3mm Surface Mount -40°C~85°C CMOS 1.2mm 8542.39.00.01 Clock/Calendar DUAL 3V YES 0.65mm R-PDSO-G8 Timer or RTC Not Qualified 3/5V Alarm, Leap Year, Square Wave Output 1.35V~5.5V HH:MM:SS (12/24 hr) SECONDS Y NO SERIAL, 3-WIRE 1 YY-MM-DD-dd 0.6μA~14μA @ 3V~5V
DS17485S-5/T&R DS17485S-5/T&R Maxim Integrated 0.0000
RFQ

Min: 1

Mult: 1

0.00000000 download Tape & Reel (TR) 2010 Obsolete 1 (Unlimited) Non-RoHS Compliant Contains Lead 24-SOIC (0.295, 7.50mm Width) Parallel Surface Mount 0°C~70°C Clock/Calendar DS17485 Alarm, Daylight Savings, Leap Year, NVSRAM, Square Wave Output 24-SOIC 4KB 4.5V~5.5V HH:MM:SS (12/24 hr) YY-MM-DD-dd 3mA @ 4.5V~5.5V 2.5V~3.7V
DS1685EN-5 DS1685EN-5 Maxim Integrated 0.0000
RFQ

Min: 1

Mult: 1

0.00000000 download Surface Mount Tube 2000 no Obsolete 1 (Unlimited) 24 EAR99 5V 7.8mm Non-RoHS Compliant Contains Lead No 24 24-TSSOP (0.173, 4.40mm Width) Parallel Unknown 4.4mm Surface Mount -40°C~85°C CMOS 1.1mm 8473.30.11.80 Clock/Calendar e0 Tin/Lead (Sn/Pb) DUAL 240 5V 20 DS1685 24 0.65mm Timer or RTC 5V Alarm, NVSRAM, Square Wave Output, Y2K Clock 242B 4.5V~5.5V HH:MM:SS (12/24 hr) 8 0.032MHz SECONDS YES 1 YY-MM-DD-dd 3mA @ 5V 2.5V~3.7V
DS1643P-100 DS1643P-100 Maxim Integrated 0.0000
RFQ

Min: 1

Mult: 1

0.00000000 download Surface Mount 2010 Active 1 34 EAR99 70°C 0°C 5V 25.27mm RoHS Compliant Lead Free Tin No 34 Module Parallel 5.5V Unknown 4.5V 810μm 23.62mm CMOS 8473.30.11.80 e0 DUAL 240 5V 34 COMMERCIAL 1.27mm Timer or RTC 5V Clock 100 ns 8kB HH:MM:SS 0.032MHz SECONDS N NO YY-MM-DD-dd
PT7C4337BZEEX PT7C4337BZEEX Diodes Incorporated 0.0000
RFQ

Min: 1

Mult: 1

0.00000000 20 Weeks Tape & Reel (TR) Active 8-WFDFN Exposed Pad I2C, 2-Wire Serial Surface Mount -40°C~85°C TA Clock/Calendar Alarm, Leap Year, Square Wave Output 1.8V~5.5V HH:MM:SS (12/24 hr) YY-MM-DD-dd 0.8μA @ 1.2V~1.8V
X1205V8T1 X1205V8T1 Intersil 0.0000
RFQ

Min: 1

Mult: 1

0.00000000
DS1747-70IND DS1747-70IND Maxim Integrated 0.0000
RFQ

Min: 1

Mult: 1

0.00000000 download Through Hole Tube 2005 no Obsolete 1 (Unlimited) 32 EAR99 5V 43.053mm Non-RoHS Compliant Contains Lead Tin No 32 32-DIP Module (0.600, 15.24mm) Parallel 15.24mm Through Hole -40°C~85°C CMOS 10.922mm 8473.30.11.80 Clock/Calendar e0 DUAL 240 5V DS1747 32 2.54mm Timer or RTC 5V Leap Year, NVSRAM, Y2K Clock 512KB 4.5V~5.5V HH:MM:SS (24 hr) 8 SECONDS N NO YY-MM-DD-dd 4mA @ 5V
PCF2127T/1,512 PCF2127T/1,512 NXP Semiconductors / Freescale 0.0000
RFQ

Min: 1

Mult: 1

0.00000000 Non-RoHS Compliant
PCA8802U/2AA/1,026 PCA8802U/2AA/1,026 NXP Semiconductors 0.0000
RFQ

Min: 1

Mult: 1

0.00000000 Tray 2011 Obsolete 1 (Unlimited) 8 1.19mm ROHS3 Compliant SEATED HGT_NOM; TERM PITCH-MAX Die I2C, 2-Wire Serial 1.14mm -40°C~85°C CMOS 0.215mm 8542.39.00.01 1 Binary Counter BOTTOM 3V PCA8802 YES 0.449mm R-PBCC-B8 1.6V 5.5V Square Wave Output, Unique ID 1.6V~5.5V Binary 0.4μA @ 1.6V~5.5V
M41T83SMY6E M41T83SMY6E STMicroelectronics 0.0000
RFQ

Min: 1

Mult: 1

0.00000000 download Surface Mount Tube Obsolete 1 (Unlimited) 18 EAR99 11.61mm ROHS3 Compliant Lead Free No 18 18-SOX, 18-SOIC with Crystal (7.5mm Width) I2C, 2-Wire Serial 2.34mm 7.62mm Surface Mount -40°C~85°C CMOS 8542.39.00.01 Clock/Calendar e3 Matte Tin (Sn) - annealed DUAL 240 5V 30 M41T83 18 1.27mm Timers or RTCs 3.3/5V Alarm, Leap Year, Square Wave Output, SRAM, Watchdog Timer Clock 7B 8 3V~5.5V HH:MM:SS:hh (24 hr) 0.4MHz 1/100SECOND Y NO I2C 1 YY-MM-DD-dd 10μA @ 5.5V 2V~5.5V
X1227S8ZT1 X1227S8ZT1 Renesas Electronics America 0.0000
RFQ

Min: 1

Mult: 1

0.00000000 download Tape & Reel (TR) Obsolete 1 (Unlimited) ROHS3 Compliant 8-SOIC (0.154, 3.90mm Width) I2C, 2-Wire Serial Surface Mount 0°C~70°C Clock/Calendar X1227 Alarm, Leap Year, Supervisor, Watchdog Timer 4.5V~5.5V HH:MM:SS (12/24 hr) YY-MM-DD-dd 10μA~20μA @ 2.7V~5V 1.8V~5.5V
ISL1208IU8Z-T7A ISL1208IU8Z-T7A Renesas Electronics America 0.0000
RFQ

Min: 1

Mult: 1

0.00000000 download 7 Weeks Tape & Reel (TR) 2004 Active 2 (1 Year) 8 EAR99 3mm ROHS3 Compliant 8-TSSOP, 8-MSOP (0.118, 3.00mm Width) I2C, 2-Wire Serial 3mm Surface Mount -40°C~85°C CMOS 1.1mm 8542.39.00.01 Clock/Calendar e3 Matte Tin (Sn) - annealed DUAL 260 3V 40 ISL1208 8 YES 0.65mm S-PDSO-G8 Alarm, Leap Year, SRAM 2B 2.7V~5.5V HH:MM:SS (12/24 hr) 0.032MHz I2C YY-MM-DD-dd 4μA~6μA @ 3V~5V 1.8V~5.5V
X1227S8-2.7A X1227S8-2.7A Renesas Electronics America 0.0000
RFQ

Min: 1

Mult: 1

0.00000000 download Tube Obsolete 1 (Unlimited) Non-RoHS Compliant 8-SOIC (0.154, 3.90mm 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
DS1305N+ DS1305N+ Maxim Integrated 0.0000
RFQ

Min: 1

Mult: 1

0.00000000 download 6 Weeks Through Hole Tube 2002 yes Active 1 (Unlimited) 16 EAR99 19.43mm ROHS3 Compliant Lead Free No 16 16-DIP (0.300, 7.62mm) SPI Unknown 4.45mm 7.87mm Through Hole -40°C~85°C CMOS 8473.30.11.80 Clock/Calendar e3 Matte Tin (Sn) DUAL 260 5V 30 DS1305 16 2.54mm Timer or RTC 3/5V Alarm, Leap Year, NVSRAM, Trickle-Charger Clock 96B 2V~5.5V HH:MM:SS (12/24 hr) 0.032MHz SECONDS Y YES SERIAL, 3-WIRE YY-MM-DD-dd 25.3μA~81μA @ 2V~5V 2V~5.5V
DS1375T+ DS1375T+ Maxim Integrated 0.0000
RFQ

Min: 1

Mult: 1

0.00000000 download Surface Mount Tube 2008 yes Active 1 (Unlimited) 6 EAR99 3.3V 3mm ROHS3 Compliant Lead Free No 6 6-WDFN Exposed Pad I2C, 2-Wire Serial 3mm Surface Mount -40°C~85°C CMOS 0.8mm 8473.30.11.80 Clock/Calendar e3 Matte Tin (Sn) DUAL 260 3.3V DS1375 6 0.95mm Timer or RTC 1.8/5V Alarm, Leap Year, Square Wave Output Clock 16B 1.7V~5.5V HH:MM:SS (12/24 hr) 0.032MHz SECONDS Y YES I2C 1 YY-MM-DD-dd 0.5μA @ 1.7V~5.5V
DS17285S-5 DS17285S-5 Rochester Electronics 0.0000
RFQ

Min: 1

Mult: 1

0.00000000 download Tube no Obsolete 3 (168 Hours) 24 17.9mm Non-RoHS Compliant 24-SOIC (0.295, 7.50mm Width) Parallel 7.5mm Surface Mount -40°C~85°C CMOS 2.67mm Clock/Calendar e0 TIN LEAD DUAL 245 5V NOT SPECIFIED 24 YES 1.27mm R-PDSO-G24 COMMERCIAL Alarm, Daylight Savings, Leap Year, NVSRAM, Square Wave Output 2KB 4.5V~5.5V HH:MM:SS (12/24 hr) 8 0.032MHz 1 YY-MM-DD-dd 3mA @ 4.5V~5.5V 2.5V~3.7V
M48T254V-10ZA1 M48T254V-10ZA1 STMicroelectronics 0.0000
RFQ

Min: 1

Mult: 1

0.00000000 download Tube Timekeeper® yes Obsolete 1 (Unlimited) 168 EAR99 42.5mm ROHS3 Compliant 168-PBGA Module Parallel 42.5mm Surface Mount 0°C~70°C CMOS 11.88mm 8542.39.00.01 Phantom Time Chip e3 MATTE TIN BOTTOM 225 3V NOT SPECIFIED M48T254 168 YES 1.27mm S-PBGA-B168 Timer or RTC Not Qualified 3.3V Leap Year 3V~3.6V HH:MM:SS:hh (12/24 hr) 8 1/100SECOND N NO YY-MM-DD-dd 3mA @ 3V~3.6V
ISL12027AIV27Z ISL12027AIV27Z Intersil 0.0000
RFQ

Min: 1

Mult: 1

0.00000000
DP8570AV/NOPB DP8570AV/NOPB Texas Instruments 0.0000
RFQ

Min: 1

Mult: 1

0.00000000 6 Weeks ACTIVE (Last Updated: 3 days ago) Surface Mount Tube yes Active 2A (4 Weeks) 28 EAR99 5V 11.51mm ROHS3 Compliant Contains Lead No 28 4 PROGRAMMABLE MODES FOR TIMER; 4 SELECTABLE OSCILLATOR FREQUENCIES 28-LCC (J-Lead) Parallel No SVHC 4.57mm 11.51mm 4.06mm Surface Mount 1.182714g -40°C~85°C CMOS 8542.39.00.01 Timer Clock Peripheral (TCP) e3 Matte Tin (Sn) QUAD 245 5V DP8570 28 1.27mm Timer or RTC Alarm, Leap Year Clock 44B 16 4.5V~5.5V HH:MM:SS:hh (12/24 hr) 10MHz 1/100SECOND Y YES 2 YY-MM-DD-dd 1μA @ 5V 2.2V~5.1V
X1288V14Z X1288V14Z Intersil 0.0000
RFQ

Min: 1

Mult: 1

0.00000000
PCF8583PN PCF8583PN NXP Semiconductors / Freescale 0.0000
RFQ

Min: 1

Mult: 1

0.00000000 download Through Hole 8 EAR99 85°C -40°C 9.5mm RoHS Compliant Lead Free No 8 PDIP 6V 2.5V 7.62mm CMOS 4.2mm DUAL 250 5V 40 INDUSTRIAL 2.54mm 10mA 2013-06-14 00:00:00 240B 0.2mA HH:MM:SS:hh TIMER, REAL TIME CLOCK 0.1MHz 256 8 I2C
MCP79410-I/SN MCP79410-I/SN Microchip Technology 0.0000
RFQ

Min: 1

Mult: 1

0.00000000 download 6 Weeks Surface Mount Tube 2005 Active 1 (Unlimited) 8 EAR99 4.9mm ROHS3 Compliant Lead Free Tin No 8 8-SOIC (0.154, 3.90mm Width) I2C, 2-Wire Serial No SVHC 1.25mm 3.9mm Surface Mount -40°C~85°C CMOS Clock/Calendar e3 DUAL 260 5V 40 MCP79410 8 1.27mm 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 I2C 1 kB YY-MM-DD-dd 1.2μA @ 3.3V 1.3V~5.5V
X1227S8IZ X1227S8IZ Intersil 0.0000
RFQ

Min: 1

Mult: 1

0.00000000
RTC-4574SA:B0:PURE SN RTC-4574SA:B0:PURE SN EPSON 0.0000
RFQ

Min: 1

Mult: 1

0.00000000 download 13 Weeks Tape & Reel (TR) RTC-4574SA Active 1 (Unlimited) ROHS3 Compliant 14-SOIC (0.197, 5.00mm Width) 3-Wire Serial Surface Mount -40°C~85°C Clock/Calendar Alarm 14-SOP 1.6V~5.5V 1μA~2μA @ 3V~5V
PCF8564AU/5GC/1,01 PCF8564AU/5GC/1,01 NXP USA Inc. 0.0000
RFQ

Min: 1

Mult: 1

0.00000000 download Bulk 2008 Obsolete 1 (Unlimited) 9 ROHS3 Compliant Die I2C, 2-Wire Serial Surface Mount -40°C~85°C CMOS 8542.39.00.01 Clock/Calendar UPPER 2V PCF8564 9 YES R-XUUC-N9 Timer or RTC Not Qualified 2/5V Alarm, Leap Year, Square Wave Output, Watchdog Timer 1V~5.5V HH:MM:SS (24 hr) 0.032MHz SECONDS Y NO I2C 1 YY-MM-DD-dd 0.6μA~0.75μA @ 2V~5V
HM-4201-RTCM1 HM-4201-RTCM1 Microsemi 0.0000
RFQ

Min: 1

Mult: 1

0.00000000 download Unconfirmed RoHS Compliant 8 Clock/Calendar HH:MM:SS DW:DM:M:Y
BQ3285LFSS-A1TR BQ3285LFSS-A1TR Texas Instruments 0.0000
RFQ

Min: 1

Mult: 1

0.00000000 download Surface Mount Tape & Reel (TR) Obsolete 2 (1 Year) 24 EAR99 3V 8.65mm ROHS3 Compliant Lead Free Gold No 24 24-SSOP (0.154, 3.90mm Width) Parallel 3.9mm Surface Mount 129.500622mg 0°C~70°C CMOS 1.73mm 8542.39.00.01 Clock/Calendar e4 DUAL 260 3V BQ3285 24 0.635mm Timer or RTC 3/5V Alarm, Daylight Savings, Leap Year, NVSRAM, Square Wave Output Clock 242B 2.7V~5.5V HH:MM:SS (12/24 hr) 8 0.032MHz SECONDS Y NO YY-MM-DD-dd 100μA @ 3V 2.4V~4V
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