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 Contact Plating Radiation Hardening Number of Pins Additional Feature Package / Case Interface REACH SVHC Reach Compliance Code Frequency Height Width Thickness Mounting Type Weight Operating Temperature Technology Height Seated (Max) HTS Code Evaluation Kit 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) Subcategory Qualification Status Power Supplies Supply Voltage-Max (Vsup) Feature Supplier Device Package Logic Function Screening Level Memory Size 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
ISL12026AIBZ ISL12026AIBZ Renesas Electronics America Inc. 0.0000
RFQ

Min: 1

Mult: 1

0.00000000 download 7 Weeks Tube 2010 Active 1 (Unlimited) 8 EAR99 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 e3 Matte Tin (Sn) - annealed DUAL NOT SPECIFIED 3.3V NOT SPECIFIED ISL12026A 8 YES 1.27mm R-PDSO-G8 Alarm, Leap Year 2.7V~5.5V HH:MM:SS (12/24 hr) I2C YY-MM-DD-dd 10μA~20μA @ 2.7V~5.5V 1.8V~5.5V
X1228S14-4.5A X1228S14-4.5A Rochester Electronics, LLC 0.0000
RFQ

Min: 1

Mult: 1

0.00000000 download Tube no Obsolete 1 (Unlimited) 14 8.6614mm Non-RoHS Compliant 14-SOIC (0.154, 3.90mm Width) I2C, 2-Wire Serial 3.9116mm Surface Mount 0°C~70°C CMOS 1.7272mm Clock/Calendar e0 TIN LEAD DUAL 240 5V NOT SPECIFIED 14 YES 1.27mm R-PDSO-G14 COMMERCIAL Alarm, Leap Year, Supervisor, Watchdog Timer 2.7V~5.5V HH:MM:SS (12/24 hr) 0.032MHz I2C 1 YY-MM-DD-dd 10μA~20μA @ 2.7V~5V 1.8V~5.5V
PT7C4363BWEX PT7C4363BWEX Diodes Incorporated 0.0000
RFQ

Min: 1

Mult: 1

0.00000000 download 20 Weeks Tape & Reel (TR) Active EAR99 RoHS Compliant 8-SOIC (0.154, 3.90mm Width) I2C, 2-Wire Serial compliant Surface Mount -40°C~85°C TA 8542.39.00.01 Clock/Calendar NOT SPECIFIED NOT SPECIFIED Alarm, Leap Year, Square Wave Output 1.3V~5.5V HH:MM:SS (12/24 hr) YY-MM-DD-dd 0.85μA~0.9μA @ 3V~5V
DS1386P-32-120 DS1386P-32-120 Maxim Integrated 0.0000
RFQ

Min: 1

Mult: 1

0.00000000 download Surface Mount Tube 2007 Obsolete 3 (168 Hours) 34 EAR99 5V Non-RoHS Compliant Contains Lead No 34 34-PowerCap™ Module Parallel Surface Mount 0°C~70°C CMOS 8473.30.11.80 Clock/Calendar e0 TIN LEAD DUAL 240 5V DS1386 34 Timer or RTC 5V Alarm, Leap Year, NVSRAM, Square Wave Output, Watchdog Timer Clock 32KB 4.5V~5.5V HH:MM:SS:hh (12/24 hr) 8 0.032MHz 1/100SECOND Y NO 1 YY-MM-DD-dd 4mA @ 5V 3V
PT7C4302AZEEX PT7C4302AZEEX Diodes Incorporated 0.0000
RFQ

Min: 1

Mult: 1

0.00000000 20 Weeks Tape & Reel (TR) Active 1 (Unlimited) ROHS3 Compliant 8-WFDFN Exposed Pad 3-Wire Serial Surface Mount -40°C~85°C TA Clock/Calendar Leap Year, NVSRAM, Square Wave Output, Trickle-Charger 31B 1.2V~5.5V HH:MM:SS (12/24 hr) YY-MM-DD-dd 25.3μA~81μA @ 2V~5V 1.2V~5.5V
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
DS1744W-120+ DS1744W-120+ Maxim Integrated 0.0000
RFQ

Min: 1

Mult: 1

0.00000000 download 9 Weeks Tube 2012 yes Active 1 (Unlimited) 28 EAR99 38.227mm ROHS3 Compliant Lead Free 28 28-DIP Module (0.600, 15.24mm) Parallel not_compliant 15.24mm Through Hole 0°C~70°C CMOS 10.668mm 8473.30.11.80 Clock/Calendar e3 Matte Tin (Sn) DUAL 260 3.3V NOT SPECIFIED DS1744 28 NO 2.54mm Timer or RTC Not Qualified 3.3V Leap Year, NVSRAM, Y2K 32KB 2.97V~3.63V HH:MM:SS (24 hr) 8 0.032MHz SECONDS N NO YY-MM-DD-dd 2mA @ 3.3V
PT7C4563BLEX PT7C4563BLEX Diodes Incorporated 0.0000
RFQ

Min: 1

Mult: 1

0.00000000 20 Weeks Tape & Reel (TR) Active 8-TSSOP (0.173, 4.40mm Width) I2C, 2-Wire Serial Surface Mount -40°C~85°C TA Clock/Calendar Alarm, Leap Year, Square Wave Output 1.3V~5.5V HH:MM:SS (24 hr) YY-MM-DD-dd 0.65μA~0.85μA @ 3V~5V
DS17487-5IND+ DS17487-5IND+ Maxim Integrated 0.0000
RFQ

Min: 1

Mult: 1

0.00000000 download 12 Weeks Through Hole Tube 2000 yes Active 1 (Unlimited) 24 EAR99 5V 33.782mm ROHS3 Compliant Lead Free No 24 24-DIP Module (0.600, 15.24mm) Parallel Through Hole -40°C~85°C CMOS 9.398mm 8542.39.00.01 Clock/Calendar e3 Matte Tin (Sn) DUAL 5V DS17487 24 2.54mm Timer or RTC 5V Alarm, Daylight Savings, Leap Year, NVSRAM, Square Wave Output Clock 4KB 4.5V~5.5V HH:MM:SS (12/24 hr) 8 0.032MHz SECONDS Y NO 1 YY-MM-DD-dd 3mA @ 4.5V~5.5V 2.5V~3.7V
DS1685QN-5+ DS1685QN-5+ Maxim Integrated 0.0000
RFQ

Min: 1

Mult: 1

0.00000000 download 14 Weeks Tube 2000 yes Active 1 (Unlimited) 28 EAR99 11.505mm ROHS3 Compliant Lead Free 28-LCC (J-Lead) Parallel 11.505mm Surface Mount -40°C~85°C CMOS 4.57mm 8473.30.11.80 Clock/Calendar e3 Tin (Sn) QUAD 260 5V NOT SPECIFIED DS1685 28 YES 1.27mm S-PQCC-J28 Timer or RTC Not Qualified 5V Alarm, NVSRAM, Square Wave Output, Y2K 242B 4.5V~5.5V HH:MM:SS (12/24 hr) 8 0.032MHz SECONDS Y YES 1 YY-MM-DD-dd 3mA @ 5V 2.5V~3.7V
CDP68HC68T1MZ CDP68HC68T1MZ Renesas Electronics America 0.0000
RFQ

Min: 1

Mult: 1

0.00000000 download 9 Weeks Tube 2001 Active 3 (168 Hours) EAR99 ROHS3 Compliant 20-SOIC (0.295, 7.50mm Width) SPI Surface Mount -40°C~85°C 8542.39.00.01 Clock/Calendar e3 Matte Tin (Sn) - annealed CDP68HC68T1 20 Alarm, Leap Year, Square Wave Output, Watchdog Timer 32B 3V~6V HH:MM:SS (12/24 hr) YY-MM-DD-dd 20μA~500μA @ 5V 2.2V~6V
DS1243Y-120 DS1243Y-120 Rochester Electronics 0.0000
RFQ

Min: 1

Mult: 1

0.00000000 download Tube no Obsolete 1 (Unlimited) 28 38.862mm Non-RoHS Compliant 28-DIP Module (0.600, 15.24mm) Parallel unknown 15.24mm Through Hole 0°C~70°C CMOS 9.398mm Phantom Time Chip e0 TIN LEAD DUAL 240 5V NOT SPECIFIED 28 NO 2.54mm R-PDIP-P28 COMMERCIAL Leap Year 4.5V~5.5V HH:MM:SS:hh (12/24 hr) 8 YY-MM-DD-dd 7mA @ 3.3V
ISL12021CVZ ISL12021CVZ Intersil 0.0000
RFQ

Min: 1

Mult: 1

0.00000000
DS1673S-5 DS1673S-5 Maxim Integrated 0.0000
RFQ

Min: 1

Mult: 1

0.00000000 download Surface Mount Tube 2009 yes Obsolete 1 (Unlimited) 20 EAR99 5V 12.8mm Non-RoHS Compliant Contains Lead No 20 3-CHANNEL, 8-BIT ADC 20-SOIC (0.295, 7.50mm Width) 3-Wire Serial Unknown 7.5mm Surface Mount 0°C~70°C MOS 2.65mm 8542.31.00.01 Portable System Controller e3 Matte Tin (Sn) DUAL 260 5V DS1673 20 1.27mm Timer or RTC 5V Alarm, Leap Year, Watchdog Timer Clock 4.5V~5.5V HH:MM:SS (12/24 hr) 1 0.032MHz SECONDS Y YES SERIAL, 3-WIRE YY-MM-DD-dd 300μA @ 5V 2.5V~3.7V
MCP79402T-I/MS MCP79402T-I/MS Microchip Technology 0.0000
RFQ

Min: 1

Mult: 1

0.00000000 download 7 Weeks Surface Mount Tape & Reel (TR) 2005 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 2.5V 40 MCP79402 8 0.65mm Timer or RTC 2/5V Alarm, Leap Year, Square Wave Output, SRAM, Unique ID Clock TS 16949 64B 1.8V~5.5V HH:MM:SS (12/24 hr) 0.4MHz SECONDS Y NO I2C 1 YY-MM-DD-dd 1.2μA Typ @ 3.3V 1.3V~5.5V
5T90008CPII 5T90008CPII Integrated Device Technology 0.0000
RFQ

Min: 1

Mult: 1

0.00000000
AB1803-T3 AB1803-T3 Abracon LLC 0.0000
RFQ

Min: 1

Mult: 1

0.00000000 download Surface Mount Tape & Reel (TR) 2012 yes Obsolete 1 (Unlimited) 16 3mm RoHS Compliant Lead Free No 16-VFQFN Exposed Pad I2C, 2-Wire Serial 3mm Surface Mount -40°C~85°C CMOS 0.9mm Clock/Calendar QUAD 260 1.8V 30 16 0.5mm S-XQCC-N16 Timer or RTC 1.8/3.3V Alarm, Leap Year, SRAM, Trickle-Charger Clock 1.7V~3.6V HH:MM:SS:hh 0.032MHz SECONDS Y I2C; SERIAL, 4-WIRE/3-WIRE 64 B 1 YY-MM-DD-dd 0.17μA~0.22μA @ 1.8V~3V 1.5V~3.6V
DS17285S-3/T&R DS17285S-3/T&R Rochester Electronics 0.0000
RFQ

Min: 1

Mult: 1

0.00000000 download Tape & Reel (TR) Obsolete 1 (Unlimited) Non-RoHS Compliant 24-SOIC (0.295, 7.50mm Width) Parallel Surface Mount 0°C~70°C Clock/Calendar Alarm, Daylight Savings, Leap Year, NVSRAM, Square Wave Output 24-SOIC 2KB 2.7V~3.7V HH:MM:SS (12/24 hr) YY-MM-DD-dd 2mA @ 2.7V~3.7V 2.5V~3.7V
RTC-8564JE:ROHS RTC-8564JE:ROHS EPSON 0.0000
RFQ

Min: 1

Mult: 1

0.00000000 download 15 Weeks Surface Mount Tube RTC-8564JE Active 1 (Unlimited) 85°C -40°C ROHS3 Compliant 20 20-LSSOJ (0.213, 5.40mm Width) I2C, 2-Wire Serial Surface Mount -40°C~85°C Clock/Calendar Alarm, Y2K 20-VSOJ 1.8V~5.5V HH:MM:SS YY-MM-DD-dd 0.7μA~0.8μA @ 3V~5V
S-35390A-J8T1G S-35390A-J8T1G ABLIC U.S.A. Inc. 0.0000
RFQ

Min: 1

Mult: 1

0.00000000 download 18 Weeks Tape & Reel (TR) yes Active 1 (Unlimited) 8 EAR99 5.02mm RoHS 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 e6 Tin/Bismuth (Sn/Bi) DUAL 260 3V 10 8 YES 1.27mm R-PDSO-G8 Not Qualified Alarm, Leap Year 1.3V~5.5V HH:MM:SS (12/24 hr) 0.032MHz SERIAL, 2-WIRE/I2C 1 YY-MM-DD-dd 0.93μA~1.1μA @ 3V~5V
MCP7940NT-I/SN MCP7940NT-I/SN Microchip Technology 0.0000
RFQ

Min: 1

Mult: 1

0.00000000 download 7 Weeks Surface Mount Tape & Reel (TR) 2012 Automotive, AEC-Q100 Active 1 (Unlimited) 8 EAR99 4.9mm ROHS3 Compliant No 8 8-SOIC (0.154, 3.90mm Width) I2C, 2-Wire Serial 3.9mm Surface Mount -40°C~85°C CMOS 1.75mm Clock/Calendar e3 Matte Tin (Sn) - annealed DUAL 260 2.5V 40 MCP7940N 8 1.27mm Timer or RTC 2/5V Alarm, Leap Year, Square Wave Output, SRAM Clock 64B 1.8V~5.5V HH:MM:SS (12/24 hr) 0.032MHz SECONDS Y YES I2C YY-MM-DD-dd 1.2μA @ 3.3V 1.3V~5.5V
DS17287-5 DS17287-5 Maxim Integrated 0.0000
RFQ

Min: 1

Mult: 1

0.00000000 download Through Hole Tube 2012 no Obsolete 1 (Unlimited) 24 EAR99 5V 34.04mm Non-RoHS Compliant Contains Lead No 24 24-DIP Module (0.600, 15.24mm) Parallel Unknown 32.8kHz 9.4mm 18.8mm Through Hole 0°C~70°C CMOS 8542.39.00.01 Clock/Calendar e0 Tin/Lead (Sn/Pb) DUAL 240 5V DS17287 24 2.54mm Timer or RTC 5V Alarm, Daylight Savings, Leap Year, NVSRAM, Square Wave Output Clock 2KB 4.5V~5.5V HH:MM:SS (12/24 hr) SECONDS Y NO 1 YY-MM-DD-dd 3mA @ 4.5V~5.5V 2.5V~3.7V
DS3231MZ+TRL DS3231MZ+TRL Maxim Integrated 0.0000
RFQ

Min: 1

Mult: 1

0.00000000 download 6 Weeks Surface Mount Tape & Reel (TR) 2012 yes Active 1 (Unlimited) 8 EAR99 3.3V 4.9mm ROHS3 Compliant No 8 8-SOIC (0.154, 3.90mm Width) I2C, 2-Wire Serial Unknown 3.9mm Surface Mount -40°C~85°C CMOS 1.75mm Yes Clock/Calendar e3 Matte Tin (Sn) DUAL 3.3V DS3231 1.27mm Timer or RTC Alarm, Leap Year, Square Wave Output Clock 2.3V~5.5V HH:MM:SS (12/24 hr) SECONDS Y NO I2C 1 YY-MM-DD-dd 130μA~200μA @ 3.63V~5.5V 2.3V~5.5V
1337AGDCGI8 1337AGDCGI8 Integrated Device Technology (IDT) 0.0000
RFQ

Min: 1

Mult: 1

0.00000000 download 7 Weeks Surface Mount 2006 yes Active 1 8 EAR99 85°C -40°C 4.9mm RoHS Compliant Lead Free 8 SOIC 2-Wire, I2C, Serial 3.9mm 1.5mm CMOS 1.75mm e3 Matte Tin (Sn) DUAL 260 3.3V 30 8 INDUSTRIAL 1.27mm Timer or RTC Not Qualified 2/5V 5.5V HH:MM:SS (12/24 hr) TIMER, REAL TIME CLOCK 0.032MHz SECONDS Y YES I2C 1 YY-MM-DD-dd
RX8900CEUCB RX8900CEUCB EPSON 0.0000
RFQ

Min: 1

Mult: 1

0.00000000
X1288V14 X1288V14 Intersil 0.0000
RFQ

Min: 1

Mult: 1

0.00000000
DS1338U-33T DS1338U-33T Maxim Integrated 0.0000
RFQ

Min: 1

Mult: 1

0.00000000 yes 1 8 EAR99 3mm RoHS Compliant Contains Lead compliant 3mm CMOS 1.1mm 8473.30.11.80 e3 Matte Tin (Sn) DUAL GULL WING 260 3.3V 30 8 INDUSTRIAL YES 0.65mm S-PDSO-G8 3V 85°C -40°C Timer or RTC Not Qualified 3.3V 3.63V TIMER, REAL TIME CLOCK 0.032MHz SECONDS N NO I2C 1
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
DS1315E-5 DS1315E-5 Maxim Integrated 0.0000
RFQ

Min: 1

Mult: 1

0.00000000 download Surface Mount Tube 2011 yes Obsolete 1 (Unlimited) 20 EAR99 5V 6.5mm Non-RoHS Compliant Contains Lead No 20 20-TSSOP (0.173, 4.40mm Width) Parallel 4.4mm Surface Mount 0°C~70°C CMOS 1.1mm 8542.39.00.01 Phantom Time Chip e3 Matte Tin (Sn) DUAL 260 5V 30 DS1315 20 0.65mm Timer or RTC 5V Leap Year Clock 4.5V~5.5V HH:MM:SS:hh (12/24 hr) 0.032MHz 1/100SECOND N YES SERIAL, FIXED PROTOCOL YY-MM-DD-dd 1.3mA @ 5V 2.5V~3.7V
DS1340Z-3 DS1340Z-3 Maxim Integrated 0.0000
RFQ

Min: 1

Mult: 1

0.00000000 download Tube 2002 no Obsolete 1 (Unlimited) 8 EAR99 4.9mm Non-RoHS Compliant Contains Lead 8 8-SOIC (0.154, 3.90mm Width) I2C, 2-Wire Serial not_compliant 3.9mm Surface Mount -40°C~85°C CMOS 1.75mm Clock/Calendar e0 TIN LEAD DUAL 245 3V NOT SPECIFIED DS1340 8 YES 1.27mm Timer or RTC Not Qualified 3V Leap Year, Trickle-Charger 2.7V~5.5V HH:MM:SS (24 hr) 0.032MHz SECONDS N NO I2C YY-MM-DD-dd 125μA @ 3.3V 1.3V~3.7V
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