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Real Time Clock

Real Time Clocks are in stock with same-day shipping at Mouser from industry leading manufacturers. Mouser is an authorized distributor for many real time clock manufacturers including Analog Devices, Epson, Microchip, Micro Crystal, NXP, Renesas Electronics, STMicroelectronics & more.
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Image	Part #	Mfr.	Description	Datasheet	Availability	Pricing (JPY) Filter the results in the table by unit price based on your quantity.	Qty.	Interface Type	Package / Case	Battery Backup Switching	Supply Voltage - Min	Supply Voltage - Max	Minimum Operating Temperature	Maximum Operating Temperature	Series	Mounting Style	Packaging
Real Time Clock RX-8564LC:B0 REAL TIME CLOCK Sn-Ag or Sn 5+/-23PPM 1K TR RX-8564LCB0 PURE SN Epson Timing 1: ¥963.4 Non-Stocked Lead-Time 26 Weeks	Mfr. Part # RX-8564LCB0 PURE SN Mouser Part # 732-RX8564LCB0PURESN	Epson Timing	Real Time Clock RX-8564LC:B0 REAL TIME CLOCK Sn-Ag or Sn 5+/-23PPM 1K TR	Datasheet	Non-Stocked Lead-Time 26 Weeks	Cut Tape ¥963.4 ¥734.2 ¥677.7 ¥612.9 View Reel ¥549.8 ¥583 ¥564.7 ¥549.8 MouseReel Available	Min.: 1 Mult.: 1 : 1,000								RX-8564LC		Reel, Cut Tape, MouseReel
Real Time Clock RX-8571NB:B0 PURE SN 5+/-23PPM REAL TIME CLOCK 1K TR RX-8571NBB0 PURE SN Epson Timing 1,000: ¥299 Non-Stocked Lead-Time 16 Weeks	Mfr. Part # RX-8571NBB0 PURE SN Mouser Part # 732-RX8571NBB0PURESN	Epson Timing	Real Time Clock RX-8571NB:B0 PURE SN 5+/-23PPM REAL TIME CLOCK 1K TR	Datasheet	Non-Stocked Lead-Time 16 Weeks	Reel ¥299 ¥289 ¥284	Min.: 1,000 Mult.: 1,000 : 1,000								RX-8571LC		Reel
Real Time Clock RX-8803SA:UA0 PURE SN I2C-BUS RTC +/-3.4PPM-40 85C 1K T/R RX-8803SAUA0 PURE SN Epson Timing 1,000: ¥544.8 Non-Stocked Lead-Time 20 Weeks	Mfr. Part # RX-8803SAUA0 PURE SN Mouser Part # 732-RX8803AUA0PUREN	Epson Timing	Real Time Clock RX-8803SA:UA0 PURE SN I2C-BUS RTC +/-3.4PPM-40 85C 1K T/R	Datasheet	Non-Stocked Lead-Time 20 Weeks	Reel ¥544.8 ¥509.9	Min.: 1,000 Mult.: 1,000 : 1,000								RX-8803SA		Reel
Real Time Clock RX-8803SA:UB0 PURE SN I2C-BUS RTC +/-5.0PPM-40 85C SOP-14 PIN 1K TR RX-8803SA UB0 PURE SN Epson Timing 1,000: ¥347.1 Non-Stocked Lead-Time 20 Weeks	Mfr. Part # RX-8803SA UB0 PURE SN Mouser Part # 732-RX8803AUB0PUREN	Epson Timing	Real Time Clock RX-8803SA:UB0 PURE SN I2C-BUS RTC +/-5.0PPM-40 85C SOP-14 PIN 1K TR	Datasheet	Non-Stocked Lead-Time 20 Weeks	Reel ¥347.1	Min.: 1,000 Mult.: 1,000 : 1,000								RX-8803LC		Reel
Real Time Clock RX-8803SA:UC0 PURE SN I2C-BUS RTC +/-5.0PPM-30 70C SOP-14 PIN 1K T/R RX-8803SAUC0 PURE SN Epson Timing 1,000: ¥347.1 Non-Stocked Lead-Time 20 Weeks	Mfr. Part # RX-8803SAUC0 PURE SN Mouser Part # 732-RX8803AUC0PUREN	Epson Timing	Real Time Clock RX-8803SA:UC0 PURE SN I2C-BUS RTC +/-5.0PPM-30 70C SOP-14 PIN 1K T/R	Datasheet	Non-Stocked Lead-Time 20 Weeks	Reel ¥347.1	Min.: 1,000 Mult.: 1,000 : 1,000								RX-8803SA		Reel
Real Time Clock RX-8803LC:UC0 PURE SN I2C-BUS RTC +/-5.0PPM-30 70C 1K T/R RX-8803LCUC0 PURE SN Epson Timing 1,000: ¥516.6 Non-Stocked Lead-Time 16 Weeks	Mfr. Part # RX-8803LCUC0 PURE SN Mouser Part # 732-RX8803LCUC0PUREN	Epson Timing	Real Time Clock RX-8803LC:UC0 PURE SN I2C-BUS RTC +/-5.0PPM-30 70C 1K T/R	Datasheet	Non-Stocked Lead-Time 16 Weeks	Reel ¥516.6	Min.: 1,000 Mult.: 1,000 : 1,000								RX-8571SA		Reel
Real Time Clock I2C-BUS RTC +/-3.4PPM-40 85C SOP-14 PIN 1K T/R RX8900SA:UA0 PURE SN Epson Timing 1: ¥807.2 Non-Stocked Lead-Time 30 Weeks New At Mouser	Mfr. Part # RX8900SA:UA0 PURE SN Mouser Part # 732-RX8900AUA0PUREN New At Mouser	Epson Timing	Real Time Clock I2C-BUS RTC +/-3.4PPM-40 85C SOP-14 PIN 1K T/R	Datasheet	Non-Stocked Lead-Time 30 Weeks	Cut Tape ¥807.2 ¥612.9 ¥564.7 ¥509.9 View Reel ¥443.5 ¥483.4 ¥476.7 ¥443.5 MouseReel Available	Min.: 1 Mult.: 1 : 1,000								RX8900CE		Reel, Cut Tape, MouseReel
Real Time Clock I2C-BUS RTC +/-3.4PPM-40 85C SOP-14 PIN 250 T/R RX8900SA:UA3 PURE SN Epson Timing 250: ¥1,001.6 Non-Stocked Lead-Time 30 Weeks	Mfr. Part # RX8900SA:UA3 PURE SN Mouser Part # 732-RX8900AUA3PUREN	Epson Timing	Real Time Clock I2C-BUS RTC +/-3.4PPM-40 85C SOP-14 PIN 250 T/R	Datasheet	Non-Stocked Lead-Time 30 Weeks	Reel ¥1,001.6	Min.: 250 Mult.: 250 : 250								RX8900SA		Reel
Real Time Clock I2C-BUS RTC +/-5.0PPM-40 85C SOP-14 PIN 1K T/R RX8900SA:UB0 PURE SN Epson Timing 1,000: ¥277.4 Non-Stocked Lead-Time 30 Weeks	Mfr. Part # RX8900SA:UB0 PURE SN Mouser Part # 732-RX8900AUB0PUREN	Epson Timing	Real Time Clock I2C-BUS RTC +/-5.0PPM-40 85C SOP-14 PIN 1K T/R	Datasheet	Non-Stocked Lead-Time 30 Weeks	Reel ¥277.4	Min.: 1,000 Mult.: 1,000 : 1,000								RX8900SA		Reel
Real Time Clock I2C-BUS RTC +/-5.0PPM-30 70C SOP-14 PIN 1K T/R RX8900SA:UC0 PURE SN Epson Timing 1,000: ¥287.4 Non-Stocked Lead-Time 30 Weeks	Mfr. Part # RX8900SA:UC0 PURE SN Mouser Part # 732-RX8900AUC0PUREN	Epson Timing	Real Time Clock I2C-BUS RTC +/-5.0PPM-30 70C SOP-14 PIN 1K T/R	Datasheet	Non-Stocked Lead-Time 30 Weeks	Reel ¥287.4	Min.: 1,000 Mult.: 1,000 : 1,000								RX8900SA		Reel
Real Time Clock I2C-BUS RTC +/-5.0PPM-30 70C SOP-14 PIN 250 T/R RX8900SA:UC3 PURE SN Epson Timing 1: ¥1,016.5 Non-Stocked Lead-Time 30 Weeks New At Mouser	Mfr. Part # RX8900SA:UC3 PURE SN Mouser Part # 732-RX8900AUC3PUREN New At Mouser	Epson Timing	Real Time Clock I2C-BUS RTC +/-5.0PPM-30 70C SOP-14 PIN 250 T/R	Datasheet	Non-Stocked Lead-Time 30 Weeks	Cut Tape ¥1,016.5 ¥779 ¥720.9 ¥656.1 Reel ¥588 MouseReel Available	Min.: 1 Mult.: 1 : 250								RX8900SA		Reel, Cut Tape, MouseReel
Real Time Clock RX8900CE:UC0 I2C-BUS RTC +/-5.0PPM-30 70C 10 PIN 1K T/R RX8900CEUC0 Epson Timing 1,000: ¥262.4 Non-Stocked Lead-Time 30 Weeks	Mfr. Part # RX8900CEUC0 Mouser Part # 732-RX8900CEUC0	Epson Timing	Real Time Clock RX8900CE:UC0 I2C-BUS RTC +/-5.0PPM-30 70C 10 PIN 1K T/R	Datasheet	Non-Stocked Lead-Time 30 Weeks	Reel ¥262.4	Min.: 1,000 Mult.: 1,000 : 1,000								RX8900CE		Reel
Real Time Clock RX-4571LC:B3 RTC Sn-Ag or Sn VSOJ 12PIN 5+/-23PPM 250TR RX-4571LCB3 PURE SN Epson Timing 1: ¥1,207.5 Non-Stocked Lead-Time 20 Weeks New At Mouser	Mfr. Part # RX-4571LCB3 PURE SN Mouser Part # 732-X4571LCB3PURESN New At Mouser	Epson Timing	Real Time Clock RX-4571LC:B3 RTC Sn-Ag or Sn VSOJ 12PIN 5+/-23PPM 250TR	Datasheet	Non-Stocked Lead-Time 20 Weeks	Cut Tape ¥1,207.5 ¥931.8 ¥862.1 ¥842.1 Reel ¥714.2 View ¥710.9 ¥684.3 Quote MouseReel Available	Min.: 1 Mult.: 1 : 250								RX-4571LC		Reel, Cut Tape, MouseReel
Real Time Clock RX-8025SA:AA PURE SN REAL TIME CLOCK 5+/-5PPM BULK - CUT TAPE RX-8025SAAA PURE SN Epson Timing 1: ¥1,401.9 Non-Stocked Lead-Time 30 Weeks New At Mouser	Mfr. Part # RX-8025SAAA PURE SN Mouser Part # 732-X8025SAAAPURESN New At Mouser	Epson Timing	Real Time Clock RX-8025SA:AA PURE SN REAL TIME CLOCK 5+/-5PPM BULK - CUT TAPE	Datasheet	Non-Stocked Lead-Time 30 Weeks	¥1,401.9 ¥1,086.3 ¥1,006.6 ¥920.2 ¥827.2	Min.: 1 Mult.: 1								RX-8025SA PB FREE		Bulk
Real Time Clock RX-8025SA:AC PURE SN RTC 0+/-5PPM BULK - CUT TAPE RX-8025SAAC PURE SN Epson Timing 1: ¥1,401.9 Non-Stocked Lead-Time 30 Weeks New At Mouser	Mfr. Part # RX-8025SAAC PURE SN Mouser Part # 732-X8025SAACPURESN New At Mouser	Epson Timing	Real Time Clock RX-8025SA:AC PURE SN RTC 0+/-5PPM BULK - CUT TAPE	Datasheet	Non-Stocked Lead-Time 30 Weeks	¥1,401.9 ¥1,086.3 ¥1,006.6 ¥920.2 ¥827.2	Min.: 1 Mult.: 1								RX-8025SA PB FREE		Bulk
Real Time Clock RX-8035LC:AA PURE SN REAL TIME CLOCK 5+/-5PPM BULK - CUT TAPE RX-8035LCAA PURE SN Epson Timing 1: ¥1,729.1 Non-Stocked Lead-Time 20 Weeks New At Mouser	Mfr. Part # RX-8035LCAA PURE SN Mouser Part # 732-X8035LCAAPURESN New At Mouser	Epson Timing	Real Time Clock RX-8035LC:AA PURE SN REAL TIME CLOCK 5+/-5PPM BULK - CUT TAPE	Datasheet	Non-Stocked Lead-Time 20 Weeks	¥1,729.1 ¥1,345.4 ¥1,249.1 ¥1,142.8 View ¥1,084.6 ¥1,063 ¥1,038.1 Quote	Min.: 1 Mult.: 1								RX-8025SA PB FREE		Bulk
Real Time Clock RX-8035SA:AA PURE SN REAL TIME CLOCK 5+/-5PPM BULK - CUT TAPE RX-8035SAAA PURE SN Epson Timing 1: ¥1,418.5 Non-Stocked Lead-Time 20 Weeks New At Mouser	Mfr. Part # RX-8035SAAA PURE SN Mouser Part # 732-X8035SAAAPURESN New At Mouser	Epson Timing	Real Time Clock RX-8035SA:AA PURE SN REAL TIME CLOCK 5+/-5PPM BULK - CUT TAPE	Datasheet	Non-Stocked Lead-Time 20 Weeks	¥1,418.5 ¥1,097.9 ¥1,018.2 ¥930.2 View ¥888.6 ¥863.7 ¥840.5 Quote	Min.: 1 Mult.: 1								RX-8035LC		Bulk
Real Time Clock RX-8035SA:AC PURE SN REAL TIME CLOCK 0+/-5PPM BULK - CUT TAPE RX-8035SAAC PURE SN Epson Timing 1: ¥1,302.2 Non-Stocked Lead-Time 20 Weeks New At Mouser	Mfr. Part # RX-8035SAAC PURE SN Mouser Part # 732-X8035SAACPURESN New At Mouser	Epson Timing	Real Time Clock RX-8035SA:AC PURE SN REAL TIME CLOCK 0+/-5PPM BULK - CUT TAPE	Datasheet	Non-Stocked Lead-Time 20 Weeks	¥1,302.2 ¥1,004.9 ¥930.2 ¥847.1 View ¥785.7 ¥784 ¥760.7 ¥724.2	Min.: 1 Mult.: 1								RX-8035SA		Bulk
Real Time Clock REAL TIME CLOCK +/-23PPM 250TR RX8130CE:B3 Epson Timing 1: ¥485 Non-Stocked Lead-Time 20 Weeks New At Mouser	Mfr. Part # RX8130CE:B3 Mouser Part # 732-X8130CEB3 New At Mouser	Epson Timing	Real Time Clock REAL TIME CLOCK +/-23PPM 250TR	Datasheet	Non-Stocked Lead-Time 20 Weeks	Cut Tape ¥485 ¥362.1 ¥330.5 ¥297.3 Reel ¥277.4 View ¥265.8 ¥257.5 ¥252.5 ¥244.2 MouseReel Available	Min.: 1 Mult.: 1 : 250								RX-8035SA		Reel, Cut Tape, MouseReel
Real Time Clock I2C-BUS RTC +/-3.4PPM-40 85C 250 T/R RX-8803SA:UA3 PURE SN Epson Timing 250: ¥1,247.4 Non-Stocked Lead-Time 20 Weeks	Mfr. Part # RX-8803SA:UA3 PURE SN Mouser Part # 732-X8803SAUA3PURESN	Epson Timing	Real Time Clock I2C-BUS RTC +/-3.4PPM-40 85C 250 T/R	Datasheet	Non-Stocked Lead-Time 20 Weeks	Reel ¥1,247.4 ¥1,225.8 ¥1,214.2 Quote Quote	Min.: 250 Mult.: 250 : 250								RX-8803SA		Reel
Real Time Clock RX-8803SA:UA PURE SN I2C-BUS RTC +/-3.4PPM-40 85C BULK - CUT TAPE RX-8803SAUA PURE SN Epson Timing 1: ¥2,008.1 Non-Stocked Lead-Time 20 Weeks New At Mouser	Mfr. Part # RX-8803SAUA PURE SN Mouser Part # 732-X8803SAUAPURESN New At Mouser	Epson Timing	Real Time Clock RX-8803SA:UA PURE SN I2C-BUS RTC +/-3.4PPM-40 85C BULK - CUT TAPE	Datasheet	Non-Stocked Lead-Time 20 Weeks	¥2,008.1 ¥1,571.3 ¥1,463.3 ¥1,343.7 View ¥1,330.5 ¥1,252.4 ¥1,224.2 Quote	Min.: 1 Mult.: 1								RX-8803SA		Bulk
Real Time Clock I2C-BUS RTC +/-5.0PPM-30 70C SOP-14 PIN 250 T/R RX-8803SA:UC3 PURE SN Epson Timing 250: ¥858.7 Non-Stocked Lead-Time 20 Weeks	Mfr. Part # RX-8803SA:UC3 PURE SN Mouser Part # 732-X8803SAUC3PURESN	Epson Timing	Real Time Clock I2C-BUS RTC +/-5.0PPM-30 70C SOP-14 PIN 250 T/R	Datasheet	Non-Stocked Lead-Time 20 Weeks	Reel ¥858.7 ¥848.8 ¥840.5 Quote Quote	Min.: 250 Mult.: 250 : 250								RX-8803SA		Reel
Real Time Clock RX-8803SA:UC PURE SN I2C-BUS RTC +/-5.0PPM-30 70C BULK - CUT TAPE RX-8803SAUC PURE SN Epson Timing 1: ¥1,393.6 Non-Stocked Lead-Time 20 Weeks New At Mouser	Mfr. Part # RX-8803SAUC PURE SN Mouser Part # 732-X8803SAUCPURESN New At Mouser	Epson Timing	Real Time Clock RX-8803SA:UC PURE SN I2C-BUS RTC +/-5.0PPM-30 70C BULK - CUT TAPE	Datasheet	Non-Stocked Lead-Time 20 Weeks	¥1,393.6 ¥1,079.7 ¥1,001.6 ¥915.2 View ¥873.7 ¥848.8 ¥825.5 ¥784	Min.: 1 Mult.: 1								RX-8803SA		Bulk
Real Time Clock RX8804CE:XB3 REAL TIME CLOCK +/-5.0PPM DTCXO 250TR RX8804CE XB3 Epson Timing 1: ¥1,288.9 Non-Stocked Lead-Time 16 Weeks New At Mouser	Mfr. Part # RX8804CE XB3 Mouser Part # 732-X8804CEXB3 New At Mouser	Epson Timing	Real Time Clock RX8804CE:XB3 REAL TIME CLOCK +/-5.0PPM DTCXO 250TR	Datasheet	Non-Stocked Lead-Time 16 Weeks	Cut Tape ¥1,288.9 ¥993.3 ¥892 ¥823.9 Reel ¥765.7 View ¥749.1 ¥727.5 ¥709.2 Quote MouseReel Available	Min.: 1 Mult.: 1 : 250	I2C	3.2 mm x 2.5 mm x 1 mm	No Backup Switching	1.6 V	5.5 V	- 40 C	+ 105 C	RX-8803SA	SMD/SMT	Reel, Cut Tape, MouseReel
Real Time Clock I2C-BUS RTC +/-3.4PPM-40 85C 10 PIN 1K TR RX8900CE:UA0 Epson Timing 1: ¥657.8 Non-Stocked Lead-Time 30 Weeks New At Mouser	Mfr. Part # RX8900CE:UA0 Mouser Part # 732-X8900CEUA0 New At Mouser	Epson Timing	Real Time Clock I2C-BUS RTC +/-3.4PPM-40 85C 10 PIN 1K TR	Datasheet	Non-Stocked Lead-Time 30 Weeks	Cut Tape ¥657.8 ¥496.6 ¥455.1 ¥398.6 View Reel ¥353.8 ¥380.4 ¥377 ¥353.8 MouseReel Available	Min.: 1 Mult.: 1 : 1,000								RX8804CE		Reel, Cut Tape, MouseReel