.hide-partial { max-height: none; } .show-more { display: none; }

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.
More...

Please view our large selection of real time clocks below.

.catnav-wrapper { height: auto; overflow: visible; } .catalog-nav-tabs ul { white-space: normal; }

Results: 745

Applied Filters:

Manufacturer

Interface Type

Date Format

Time Format

Package / Case

Battery Backup Switching

Supply Voltage - Min

Supply Voltage - Max

Minimum Operating Temperature

Maximum Operating Temperature

Series

Mounting Style

Qualification

Time Keeping Current

Packaging

Reset All

Search within results

In Stock

Normally Stocked

Active

New Products

RoHS Compliant

.search-refine-wrapper { display: inline-block; min-width: 100%; } .scroll-body { overflow-x: visible; } .search-table-wrapper { overflow: visible; } .hide-partial { max-height: none; } .show-more { display: none; }

Image	Part #	Mfr.	Description	Datasheet	Availability	Pricing (USD) 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	Time Keeping Current	Packaging
Real Time Clock RX-8035LC:AA3 PURE SN REAL TIME CLOCK 5+/-5PPM 250TR RX-8035LCAA3 PURE SN Epson Timing 250: $5.99 Non-Stocked Lead-Time 20 Weeks	Mfr. Part # RX-8035LCAA3 PURE SN Mouser Part # 732-RX8035LCAA3PUREN	Epson Timing	Real Time Clock RX-8035LC:AA3 PURE SN REAL TIME CLOCK 5+/-5PPM 250TR	Datasheet	Non-Stocked Lead-Time 20 Weeks	Reel $5.99	Min.: 250 Mult.: 250 : 250								RX-8035LC		400 nA	Reel
Real Time Clock RX-8564LC:B0 REAL TIME CLOCK Sn-Ag or Sn 5+/-23PPM 1K TR RX-8564LCB0 PURE SN Epson Timing 1: $5.80 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 $5.80 $4.42 $4.08 $3.69 View Reel $3.31 $3.51 $3.40 $3.31	Min.: 1,000 Mult.: 1,000 : 1,000								RX-8564LC		2.5 uA	Reel
Real Time Clock RX-8571NB:B0 PURE SN 5+/-23PPM REAL TIME CLOCK 1K TR RX-8571NBB0 PURE SN Epson Timing 1,000: $1.80 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 $1.80 $1.74 $1.71	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: $3.28 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 $3.28 $3.07	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: $2.09 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 $2.09	Min.: 1,000 Mult.: 1,000 : 1,000								RX-8803LC		750 nA	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: $2.09 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 $2.09	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: $3.11 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 $3.11	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 1,000: $2.67 Non-Stocked Lead-Time 30 Weeks	Mfr. Part # RX8900SA:UA0 PURE SN Mouser Part # 732-RX8900AUA0PUREN	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	Reel $2.67	Min.: 1,000 Mult.: 1,000 : 1,000								RX8900CE		720 nA	Reel
Real Time Clock I2C-BUS RTC +/-3.4PPM-40 85C SOP-14 PIN 250 T/R RX8900SA:UA3 PURE SN Epson Timing 250: $6.03 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 $6.03	Min.: 250 Mult.: 250 : 250								RX8900SA		720 nA	Reel
Real Time Clock I2C-BUS RTC +/-5.0PPM-40 85C SOP-14 PIN 1K T/R RX8900SA:UB0 PURE SN Epson Timing 1: $3.13 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	Cut Tape $3.13 $2.34 $2.14 $1.92 $1.83 Reel $1.67	Min.: 1,000 Mult.: 1,000 : 1,000								RX8900SA		720 nA	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: $1.73 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 $1.73	Min.: 1,000 Mult.: 1,000 : 1,000								RX8900SA		720 nA	Reel
Real Time Clock I2C-BUS RTC +/-5.0PPM-30 70C SOP-14 PIN 250 T/R RX8900SA:UC3 PURE SN Epson Timing 250: $3.54 Non-Stocked Lead-Time 30 Weeks	Mfr. Part # RX8900SA:UC3 PURE SN Mouser Part # 732-RX8900AUC3PUREN	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	Reel $3.54	Min.: 250 Mult.: 250 : 250								RX8900SA		720 nA	Reel
Real Time Clock RX8900CE:UC0 I2C-BUS RTC +/-5.0PPM-30 70C 10 PIN 1K T/R RX8900CEUC0 Epson Timing 1,000: $1.58 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 $1.58	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: $7.27 Non-Stocked Lead-Time 20 Weeks	Mfr. Part # RX-4571LCB3 PURE SN Mouser Part # 732-X4571LCB3PURESN	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 $7.27 $5.61 $5.19 $5.07 Reel $4.30 View $4.28 $4.12 Quote	Min.: 250 Mult.: 250 : 250								RX-4571LC		8 uA	Reel
Real Time Clock RX-8025SA:AA PURE SN REAL TIME CLOCK 5+/-5PPM BULK - CUT TAPE RX-8025SAAA PURE SN Epson Timing 1: $8.44 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	$8.44 $6.54 $6.06 $5.54 $4.98	Min.: 1 Mult.: 1								RX-8025SA PB FREE		3 uA	Bulk
Real Time Clock RX-8025SA:AC PURE SN RTC 0+/-5PPM BULK - CUT TAPE RX-8025SAAC PURE SN Epson Timing 1: $8.44 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	$8.44 $6.54 $6.06 $5.54 $4.98	Min.: 1 Mult.: 1								RX-8025SA PB FREE		3 uA	Bulk
Real Time Clock RX-8035LC:AA PURE SN REAL TIME CLOCK 5+/-5PPM BULK - CUT TAPE RX-8035LCAA PURE SN Epson Timing 1: $10.41 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	$10.41 $8.10 $7.52 $6.88 View $6.53 $6.40 $6.25 Quote	Min.: 1 Mult.: 1								RX-8025SA PB FREE		400 nA	Bulk
Real Time Clock RX-8035SA:AA PURE SN REAL TIME CLOCK 5+/-5PPM BULK - CUT TAPE RX-8035SAAA PURE SN Epson Timing 1: $8.54 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	$8.54 $6.61 $6.13 $5.60 View $5.35 $5.20 $5.06 $4.80	Min.: 1 Mult.: 1								RX-8035LC		350 nA	Bulk
Real Time Clock RX-8035SA:AC PURE SN REAL TIME CLOCK 0+/-5PPM BULK - CUT TAPE RX-8035SAAC PURE SN Epson Timing 1: $7.84 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	$7.84 $6.05 $5.60 $5.10 View $4.73 $4.72 $4.58 $4.36	Min.: 1 Mult.: 1								RX-8035SA		350 nA	Bulk
Real Time Clock REAL TIME CLOCK +/-23PPM 250TR RX8130CE:B3 Epson Timing 1: $2.92 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 $2.92 $2.18 $1.99 $1.79 Reel $1.67 View $1.60 $1.55 $1.52 $1.47 MouseReel Available	Min.: 1 Mult.: 1 : 250								RX-8035SA		3.5 uA	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: $7.51 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 $7.51 $7.38 $7.31 Quote Quote	Min.: 250 Mult.: 250 : 250								RX-8803SA		750 nA	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: $12.09 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	$12.09 $9.46 $8.81 $8.09 View $8.01 $7.54 $7.37 Quote	Min.: 1 Mult.: 1								RX-8803SA		750 nA	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: $5.17 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 $5.17 $5.11 $5.06 Quote Quote	Min.: 250 Mult.: 250 : 250								RX-8803SA		750 nA	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: $8.39 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	$8.39 $6.50 $6.03 $5.51 View $5.26 $5.11 $4.97 $4.72	Min.: 1 Mult.: 1								RX-8803SA		750 nA	Bulk
Real Time Clock RX8804CE:XB3 REAL TIME CLOCK +/-5.0PPM DTCXO 250TR RX8804CE XB3 Epson Timing 250: $4.61 Non-Stocked Lead-Time 16 Weeks	Mfr. Part # RX8804CE XB3 Mouser Part # 732-X8804CEXB3	Epson Timing	Real Time Clock RX8804CE:XB3 REAL TIME CLOCK +/-5.0PPM DTCXO 250TR	Datasheet	Non-Stocked Lead-Time 16 Weeks	Reel $4.61 $4.51 $4.38 $4.27 Quote Quote	Min.: 250 Mult.: 250 : 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	400 nA	Reel