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 Additional Feature Package / Case Interface Max Supply Voltage REACH SVHC Reach Compliance Code Min Supply Voltage Density Frequency Height Width Mounting Type Weight Operating Temperature Technology Operating Supply Current Height Seated (Max) HTS Code 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) Max Power Dissipation Voltage Number of Outputs Feature Watchdog Timer Number of Voltages Monitored Supplier Device Package Source Url Status Check Date Logic Function Access Time Memory Size Function Number of Bits Voltage - Supply Time Format External Data Bus Width 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
DS1500Y DS1500Y Maxim Integrated 0.0000
RFQ

Min: 1

Mult: 1

0.00000000 download Through Hole Tube 2011 yes Obsolete 1 (Unlimited) 32 EAR99 5V 18.4mm Non-RoHS Compliant Contains Lead No 32-DIP Module (0.600, 15.24mm) Parallel 8mm Through Hole 0°C~70°C CMOS 1.24mm 8473.30.11.80 Clock/Calendar e3 Matte Tin (Sn) DUAL 260 5V 30 DS1500 32 0.5mm R-PDSO-G32 Timer or RTC 5V Alarm, Leap Year, NVSRAM, Square Wave Output, Watchdog Timer, Y2K Clock 256B 4.5V~5.5V HH:MM:SS (24 hr) 8 0.032MHz SECONDS Y NO 1 YY-MM-DD-dd 5mA @ 4.5V~5.5V 2.5V~3.7V
PCF8563T/F4 PCF8563T/F4 NXP Semiconductors 0.0000
RFQ

Min: 1

Mult: 1

0.00000000 download Active RoHS Compliant 8 Clock/Calendar/Alarm/Timer/Interrupt HH:MM:SS DW:DM:M:Y
DS12R885-33 DS12R885-33 Maxim Integrated 0.0000
RFQ

Min: 1

Mult: 1

0.00000000 Bulk 24 EAR99 85°C -40°C 3.3V 17.9mm RoHS Compliant SOIC 7.5mm CMOS 2.67mm 8542.39.00.01 e0 Tin/Lead (Sn/Pb) DUAL GULL WING 3.3V 24 INDUSTRIAL YES 1.27mm R-PDSO-G24 Timer or RTC Not Qualified 3.63V Clock 8 0.032MHz SECONDS Y NO PARALLEL, MUXED BUS 1
ISL12027IVAZ ISL12027IVAZ Renesas Electronics America 0.0000
RFQ

Min: 1

Mult: 1

0.00000000 download Tube Obsolete 1 (Unlimited) ROHS3 Compliant 8-TSSOP (0.173, 4.40mm Width) I2C, 2-Wire Serial Surface Mount -40°C~85°C Clock/Calendar ISL12027 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
DS1254YB-100 DS1254YB-100 Maxim Integrated 0.0000
RFQ

Min: 1

Mult: 1

0.00000000 download Surface Mount Tray 2005 Obsolete 4 (72 Hours) 5V Non-RoHS Compliant Contains Lead No 168 168-BGA Parallel 16 Mb 100GHz Surface Mount 0°C~70°C Phantom Time Chip DS1254 Leap Year, NVSRAM 100 ns 2MB 4.5V~5.5V HH:MM:SS:hh (12/24 hr) 8b YY-MM-DD-dd 7mA @ 3.3V 3V
DS12C887A+ DS12C887A+ Maxim Integrated 0.0000
RFQ

Min: 1

Mult: 1

0.00000000 download 11 Weeks Tube 2000 yes Active 1 (Unlimited) 24 EAR99 ROHS3 Compliant Lead Free 24 24-DIP Module (0.600, 15.24mm) Parallel not_compliant Through Hole 0°C~70°C CMOS Clock/Calendar e3 Matte Tin (Sn) DUAL 260 5V NOT SPECIFIED DS12C887 24 NO 2.54mm Timer or RTC Not Qualified 5V 8 Alarm, Daylight Savings, Leap Year, NVSRAM, Square Wave Output 113B 4.5V~5.5V HH:MM:SS (12/24 hr) 8 0.032MHz SECONDS Y NO 1 YY-MM-DD-dd 15mA @ 4.5V~5.5V 2.5V~4V
DS17285S-3 DS17285S-3 Maxim Integrated 0.0000
RFQ

Min: 1

Mult: 1

0.00000000 download 111 Weeks Surface Mount 2010 24 EAR99 70°C 0°C 3V 17.9mm RoHS Compliant Contains Lead No 24 SOIC Parallel 3.7V 2.7V 7.5mm CMOS 2.67mm 8542.39.00.01 e0 Tin/Lead (Sn/Pb) DUAL 245 3V 24 COMMERCIAL 1.27mm Timer or RTC 3V Clock 2kB HH:MM:SS (12/24 hr) 8 0.032MHz SECONDS Y YES 1 YY-MM-DD-dd
DS2404B+ DS2404B+ Maxim Integrated 0.0000
RFQ

Min: 1

Mult: 1

0.00000000 Surface Mount Bulk yes 1 16 EAR99 85°C -40°C 6.2mm RoHS Compliant Lead Free No 16 1 HZ FIXED O/P; 64-BIT LASERED ROM; TIMEKEEPING CURRENT = 350NA SSOP 5.5V 2.8V 5.29mm CMOS 1.99mm 8542.39.00.01 e3 Matte Tin (Sn) DUAL GULL WING 260 5V 30 16 INDUSTRIAL 0.65mm Clock 512B 0.032MHz SERIAL, 3-WIRE Binary
M41T93SMY6E M41T93SMY6E 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 18 18-SOX, 18-SOIC with Crystal (7.5mm Width) SPI not_compliant 2.34mm 7.62mm Surface Mount -40°C~85°C CMOS 8542.39.00.01 Clock/Calendar e3 Matte Tin (Sn) - annealed DUAL 240 30 M41T93 18 1.27mm Timers or RTCs Not Qualified 3.3/5V Alarm, Leap Year, Square Wave Output, SRAM, Watchdog Timer Clock 7B 8 3V~5.5V HH:MM:SS:hh (24 hr) 5MHz 1/100SECOND Y NO 1 YY-MM-DD-dd 10μA @ 5.5V 1.8V~5.5V
MCP795W12-I/ST MCP795W12-I/ST Microchip Technology 0.0000
RFQ

Min: 1

Mult: 1

0.00000000 download 18 Weeks Surface Mount Tube 2011 Active 1 (Unlimited) 14 EAR99 5mm ROHS3 Compliant No 14 ALSO OPEARTES AT 1.8 V MINIMUM SUPPLY AT 3 MHZ 14-TSSOP (0.173, 4.40mm Width) SPI 4.4mm Surface Mount -40°C~85°C CMOS 1.2mm 8542.39.00.01 Clock/Calendar e3 Matte Tin (Sn) - annealed DUAL 260 5V 40 MCP795W12 14 0.65mm Timer or RTC 2/5V Alarm, EEPROM, Leap Year, Square Wave Output, SRAM, Unique ID, 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
M48T201Y-70MH1E M48T201Y-70MH1E STMicroelectronics 0.0000
RFQ

Min: 1

Mult: 1

0.00000000 download Surface Mount Tube Timekeeper® Obsolete 1 (Unlimited) 44 SMD/SMT EAR99 5V 18.49mm Non-RoHS Compliant Lead Free No 44 44-BSOP (0.337, 8.56mm Width) requires SNAPHAT Parallel No SVHC 70GHz 2.69mm 8.89mm Surface Mount 0°C~70°C CMOS 15mA Clock/Calendar e3/e4 TIN/NICKEL PALLADIUM GOLD DUAL 5V M48T201 44 Timer or RTC 5V 1W Alarm, Leap Year, Square Wave Output, Supervisor, Watchdog Timer, Y2K Yes 1 Clock 70 ns 512kB 4.5V~5.5V HH:MM:SS (24 hr) SECONDS Y NO 1 YY-MM-DD-dd 3mA @ 4.5V~5.5V 3V
DS1251W-120IND DS1251W-120IND Maxim Integrated 0.0000
RFQ

Min: 1

Mult: 1

0.00000000 download Through Hole Tube 2005 Obsolete 1 (Unlimited) 32 3A991.B.2.A 3.3V 43.053mm Non-RoHS Compliant Contains Lead No 32 32-DIP Module (0.600, 15.24mm) Parallel 120GHz 15.24mm Through Hole -40°C~85°C CMOS 10.922mm 8473.30.11.40 Phantom Time Chip e0 Tin/Lead (Sn/Pb) DUAL 3.3V DS1251 32 2.54mm Timer or RTC Leap Year, NVSRAM Clock 120 ns 512KB 2.97V~3.63V HH:MM:SS:hh (12/24 hr) 8 1/100SECOND N NO YY-MM-DD-dd 7mA @ 3.3V
DS1340C-18# DS1340C-18# Maxim Integrated 0.0000
RFQ

Min: 1

Mult: 1

0.00000000 download 6 Weeks Tube 2002 yes Active 1 (Unlimited) 16 EAR99 10.3mm ROHS3 Compliant 16-SOIC (0.295, 7.50mm Width) I2C, 2-Wire Serial not_compliant 7.5mm Surface Mount -40°C~85°C CMOS 2.65mm 8542.39.00.01 Clock/Calendar e3 Tin (Sn) DUAL 260 1.8V 40 DS1340 16 YES 1.27mm R-PDSO-G16 Not Qualified Leap Year, Trickle-Charger 1.71V~5.5V HH:MM:SS (24 hr) 0.032MHz I2C YY-MM-DD-dd 100μA @ 1.89V 1.3V~3.7V
RX-4581NB:B3 ROHS RX-4581NB:B3 ROHS EPSON 0.0000
RFQ

Min: 1

Mult: 1

0.00000000 download 13 Weeks Tape & Reel (TR) RX-4581NB Active 1 (Unlimited) ROHS3 Compliant 22-SMD, 20 Leads, Flat Leads SPI Surface Mount -40°C~85°C Clock/Calendar Alarm, Leap Year, SRAM 22-SON 16B 1.6V~5.5V HH:MM:SS (24 hr) YY-MM-DD-dd 0.8μA~1.2μA @ 3V~5V
RX-8035LC:AA3:PURESN RX-8035LC:AA3:PURESN EPSON 0.0000
RFQ

Min: 1

Mult: 1

0.00000000 Surface Mount 85°C -40°C RoHS Compliant 12 2-Wire, I2C, Serial HH:MM:SS (12/24 hr) YY-MM-DD-dd
DS1338U-33+T&R/C01 DS1338U-33+T&R/C01 Maxim Integrated 0.0000
RFQ

Min: 1

Mult: 1

0.00000000 download 2 Weeks Tape & Reel 2015 85°C -40°C 3.3V RoHS Compliant No UMAX Clock HH:MM:SS
ISL12024IBZ-T ISL12024IBZ-T Intersil (Renesas Electronics America) 0.0000
RFQ

Min: 1

Mult: 1

0.00000000 download 7 Weeks Surface Mount Digi-Reel® 1999 Active 1 (Unlimited) 8 EAR99 85°C -40°C 3.3V 4.9mm RoHS Compliant No 8 SOIC 2-Wire, I2C, Serial 5.5V 2.7V 3.9mm CMOS 1.75mm e3 Matte Tin (Sn) - annealed DUAL 260 3.3V 30 INDUSTRIAL 1.27mm Timer or RTC 3/5V Clock HH:MM:SS 0.032MHz SECONDS Y NO I2C YY-MM-DD-dd
RTC-4574SA:B0:ROHS RTC-4574SA:B0:ROHS EPSON 0.0000
RFQ

Min: 1

Mult: 1

0.00000000 Surface Mount 85°C -40°C 3V RoHS Compliant 14 SOIC Serial 5.5V 1.6V 338.011364mg Clock HH:MM:SS YY-MM-DD-dd
PT7C43390LEX PT7C43390LEX Pericom Semiconductor Corp. (Diodes Incorporated) 0.0000
RFQ

Min: 1

Mult: 1

0.00000000 Tape & Reel (TR) 8 EAR99 4.4mm RoHS Compliant compliant 3mm CMOS 1.2mm 8542.39.00.01 DUAL GULL WING 3V INDUSTRIAL YES 0.65mm R-PDSO-G8 1.3V 85°C -40°C Timer or RTC Not Qualified 3/5V 5.5V TIMER, REAL TIME CLOCK SECONDS Y NO I2C 1
DS17885-3 DS17885-3 Maxim Integrated 0.0000
RFQ

Min: 1

Mult: 1

0.00000000 download Through Hole Tube 2010 yes Obsolete 1 (Unlimited) 24 EAR99 3V 31.75mm Non-RoHS Compliant Contains Lead No 24 24-DIP (0.600, 15.24mm) Parallel Through Hole 0°C~70°C CMOS 5.08mm 8542.39.00.01 Clock/Calendar e3 MATTE TIN DUAL 260 3V 30 DS17885 24 2.54mm Timer or RTC 3V Alarm, Daylight Savings, Leap Year, NVSRAM, Square Wave Output Clock 8KB 2.7V~3.7V HH:MM:SS (12/24 hr) 8 0.032MHz SECONDS Y YES 1 YY-MM-DD-dd 2mA @ 2.7V~3.7V 2.5V~3.7V
S-35391A-I8T1U S-35391A-I8T1U SII Semiconductor 0.0000
RFQ

Min: 1

Mult: 1

0.00000000
PCF8564AU/5BD/1,01 PCF8564AU/5BD/1,01 NXP Semiconductors 0.0000
RFQ

Min: 1

Mult: 1

0.00000000 download 2003 Obsolete 1 (Unlimited) ROHS3 Compliant 2013-06-14 00:00:00
DS1302S DS1302S Maxim Integrated 0.0000
RFQ

Min: 1

Mult: 1

0.00000000 download Surface Mount Tube 2001 no Obsolete 1 (Unlimited) 8 EAR99 3.3V 5.46mm Non-RoHS Compliant Contains Lead Tin No 8 BURST MODE RAM DATA TRANSFER; TIMEKEEPING CURRENT = 0.3UA 8-SOIC (0.209, 5.30mm Width) 3-Wire Serial No SVHC 2.03mm 5.41mm Surface Mount 540.001716mg 0°C~70°C CMOS Clock/Calendar e0 DUAL 240 3.3V 20 DS1302 8 1.27mm Timers or RTCs 5V Leap Year, NVSRAM, Trickle-Charger Clock 31B 2V~5.5V HH:MM:SS (12/24 hr) 0.032MHz SECONDS N YES SERIAL, 3-WIRE YY-MM-DD-dd 0.3μA~1μA @ 2V~5V 2V~5.5V
X1288S16 X1288S16 Intersil (Renesas Electronics America) 6.7814
Add to Cart

Min: 1

Mult: 1

0.00000000 download Surface Mount Bulk 2005 1 (Unlimited) 16 EAR99 70°C 0°C 10.3mm RoHS Compliant Contains Lead SOIC 2-Wire, I2C, Serial 7.5mm CMOS 2.65mm 8542.39.00.01 e0 Tin/Lead (Sn/Pb) DUAL 240 5V NOT SPECIFIED 16 COMMERCIAL 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
M41ST87YMX6 M41ST87YMX6 STMicroelectronics 0.0000
RFQ

Min: 1

Mult: 1

0.00000000 download Surface Mount Tube yes Obsolete 3 (168 Hours) 28 EAR99 5V 18.01mm ROHS3 Compliant Lead Free 28 28-SOIC (0.295, 7.50mm Width) I2C, 2-Wire Serial 2.39mm 7.67mm Surface Mount -40°C~85°C CMOS 8542.39.00.01 Clock/Calendar e4 Nickel/Palladium/Gold (Ni/Pd/Au) DUAL NOT SPECIFIED 5V NOT SPECIFIED M41ST 28 1.27mm Timers or RTCs Not Qualified 5V Alarm, Leap Year, NVSRAM, Square Wave Output, Supervisor, Watchdog Timer Clock 128B 8 4.5V~5.5V HH:MM:SS:hh (24 hr) 0.032MHz 1/100SECOND Y NO I2C 1 YY-MM-DD-dd 1mA @ 4.5V~5.5V 2.5V~5.5V
AB0801 AB0801 Abracon LLC. 0.0000
RFQ

Min: 1

Mult: 1

0.00000000 85°C -40°C RoHS Compliant 16 QFN I2C 3.6V Unknown 1.7V
BQ4845YS-A4NG4 BQ4845YS-A4NG4 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 INDUSTRIAL YES 1.27mm 4.5V 85°C -40°C Timer or RTC Not Qualified 5V 5.5V 8 TIMER, REAL TIME CLOCK 0.032MHz SECONDS Y NO PARALLEL, DIRECT ADDRESS 1
RTC-72421B:ROHS RTC-72421B:ROHS EPSON 0.0000
RFQ

Min: 1

Mult: 1

0.00000000
DS1251YP-70+ DS1251YP-70+ Maxim Integrated 0.0000
RFQ

Min: 1

Mult: 1

0.00000000 download 20 Weeks Tray 2011 yes Obsolete 3 (168 Hours) 34 3A991.B.2.A 24.384mm ROHS3 Compliant Lead Free USE DS9034PCX TO ORDER POWERCAP not_compliant 23.495mm CMOS 6.858mm 8473.30.11.40 e3 Matte Tin (Sn) DUAL J INVERTED 245 5V 40 34 COMMERCIAL YES 1.27mm R-XDMA-U34 4.5V 70°C Timer or RTC Not Qualified 5V 5.5V 8 TIMER, REAL TIME CLOCK 1/100SECOND N NO PARALLEL, DIRECT ADDRESS
X1288V14IT1 X1288V14IT1 Renesas Electronics America 0.0000
RFQ

Min: 1

Mult: 1

0.00000000 download Tape & Reel (TR) Obsolete 1 (Unlimited) Non-RoHS Compliant 14-TSSOP (0.173, 4.40mm Width) I2C, 2-Wire Serial Surface Mount -40°C~85°C Clock/Calendar X1288 Alarm, Leap Year, Supervisor, Watchdog Timer 4.5V~5.5V HH:MM:SS:hh (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