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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	Date Format	Time Format	Package / Case	Battery Backup Switching	Supply Voltage - Min	Supply Voltage - Max	Minimum Operating Temperature	Maximum Operating Temperature	Series	Mounting Style	Packaging
Real Time Clock I2C-BUS RTC +/-3.4PPM-40 85C 10 PIN 250TR RX8900CE:UA3 Epson Timing 1: ¥1,669.3 Non-Stocked Lead-Time 30 Weeks New At Mouser	Mfr. Part # RX8900CE:UA3 Mouser Part # 732-X8900CEUA3 New At Mouser	Epson Timing	Real Time Clock I2C-BUS RTC +/-3.4PPM-40 85C 10 PIN 250TR	Datasheet	Non-Stocked Lead-Time 30 Weeks	Cut Tape ¥1,669.3 ¥1,298.9 ¥1,146.1 ¥1,064.7 Reel ¥994.9 MouseReel Available	Min.: 1 Mult.: 1 : 250										RX8900CE		Reel, Cut Tape, MouseReel
Real Time Clock RX-8025SA:AA REAL TIME CLOCK 5+/-5PPM BULK - CUT TAPE RX-8025SAAA Epson Timing 1: ¥1,401.9 Non-Stocked Lead-Time 30 Weeks End of Life	Mfr. Part # RX-8025SAAA Mouser Part # 732-RX8025SAAA End of Life	Epson Timing	Real Time Clock RX-8025SA:AA 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-8025NB PB FREE		Bulk
Real Time Clock RX-4035SA:AC3 PURE SN REAL TIME CLOCK 0+/-5PPM 250 T/R Epson Timing RX-4035SAAC3 PURE SN RX-4035SAAC3 PURE SN Epson Timing 250: ¥956.7 Non-Stocked Lead-Time 16 Weeks	Mfr. Part # RX-4035SAAC3 PURE SN Mouser Part # 732-R4035SAAC3PURESN	Epson Timing	Real Time Clock RX-4035SA:AC3 PURE SN REAL TIME CLOCK 0+/-5PPM 250 T/R	Datasheet	Non-Stocked Lead-Time 16 Weeks	Reel ¥956.7 ¥945.1 ¥935.1 Quote Quote	Min.: 250 Mult.: 250 : 250												Reel
Real Time Clock RX-4803LC:UA0 PURE SN RTC +/-3.4PPM-40 85C 1K TR Epson Timing RX-4803LCUA0 PURE SN RX-4803LCUA0 PURE SN Epson Timing 1,000: ¥578 Non-Stocked	Mfr. Part # RX-4803LCUA0 PURE SN Mouser Part # 732-R4803LCUA0PURESN	Epson Timing	Real Time Clock RX-4803LC:UA0 PURE SN RTC +/-3.4PPM-40 85C 1K TR	Datasheet	Non-Stocked	Reel ¥578	Min.: 1,000 Mult.: 1,000 : 1,000												Reel
Real Time Clock RX-4803SA:UB0 PURE SN RTC 1.6 5.5V +/-5.0PPM-40 85C 1K T/R Epson Timing RX-4803SAUB0 PURE SN RX-4803SAUB0 PURE SN Epson Timing 1,000: ¥365.4 Non-Stocked Lead-Time 20 Weeks	Mfr. Part # RX-4803SAUB0 PURE SN Mouser Part # 732-R4803SAUB0PURESN	Epson Timing	Real Time Clock RX-4803SA:UB0 PURE SN RTC 1.6 5.5V +/-5.0PPM-40 85C 1K T/R	Datasheet	Non-Stocked Lead-Time 20 Weeks	Reel ¥365.4 ¥360.4	Min.: 1,000 Mult.: 1,000 : 1,000										RX-4803SA		Reel
Real Time Clock RX-4571LC:B0 RTC Sn-Ag or Sn VSOJ 12PIN 5+/-23PPM 1K TR Epson Timing RX-4571LCB0 PURE SN RX-4571LCB0 PURE SN Epson Timing 1,000: ¥330.5 Non-Stocked Lead-Time 20 Weeks	Mfr. Part # RX-4571LCB0 PURE SN Mouser Part # 732-RX-571LCB0PURESN	Epson Timing	Real Time Clock RX-4571LC:B0 RTC Sn-Ag or Sn VSOJ 12PIN 5+/-23PPM 1K TR	Datasheet	Non-Stocked Lead-Time 20 Weeks	Reel ¥330.5 ¥325.6 ¥322.2	Min.: 1,000 Mult.: 1,000 : 1,000												Reel
Real Time Clock I2C-BUS RTC +/-3.4PPM-40 85C VSOJ-12 PIN 250TR Epson Timing RX-8803LC:UA3 PURE SN RX-8803LC:UA3 PURE SN Epson Timing 250: ¥1,822.1 Non-Stocked Lead-Time 16 Weeks	Mfr. Part # RX-8803LC:UA3 PURE SN Mouser Part # 732-RX-8803LCUA3	Epson Timing	Real Time Clock I2C-BUS RTC +/-3.4PPM-40 85C VSOJ-12 PIN 250TR Learn More about Epson Timing epson rx 8803lc trc module	Datasheet	Non-Stocked Lead-Time 16 Weeks	Reel ¥1,822.1 ¥1,754 ¥1,666 Quote Quote	Min.: 250 Mult.: 250 : 250	I2C	YY-MM-DD-dd	HH:MM:SS:hh (12 hr, 24 hr)	VSOJ-12	No Backup Switching	1.6 V	5.5 V	- 40 C	+ 85 C	RX-8803LC	SMD/SMT	Reel
Real Time Clock RTC 5+/-23PPM 250TR Epson Timing RX-4035LC:B3 PURE SN RX-4035LC:B3 PURE SN Epson Timing 250: ¥511.6 Non-Stocked Lead-Time 17 Weeks	Mfr. Part # RX-4035LC:B3 PURE SN Mouser Part # 732-RX4035LCB3PURESN	Epson Timing	Real Time Clock RTC 5+/-23PPM 250TR	Datasheet	Non-Stocked Lead-Time 17 Weeks	Reel ¥511.6 ¥503.3 ¥500 ¥496.6	Min.: 250 Mult.: 250 : 250	SPI				Backup Switching	2.4 V	5.5 V	- 40 C	+ 85 C	RX-4035LC	SMD/SMT	Reel
Real Time Clock REAL TIME CLOCK 5+/-23PPM (SOP 14 PIN) 250TR Epson Timing RX-4035SA:B3 PURE SN RX-4035SA:B3 PURE SN Epson Timing 250: ¥938.5 Non-Stocked Lead-Time 16 Weeks	Mfr. Part # RX-4035SA:B3 PURE SN Mouser Part # 732-RX4035SAB3PURESN	Epson Timing	Real Time Clock REAL TIME CLOCK 5+/-23PPM (SOP 14 PIN) 250TR	Datasheet	Non-Stocked Lead-Time 16 Weeks	Reel ¥938.5 ¥906.9 ¥845.4 Quote Quote	Min.: 250 Mult.: 250 : 250										RX-4035SA		Reel
Real Time Clock RX4111CE:A6 REAL TIME CLOCK SPI-BUS 3.0V 11.5PPM 2K TR Epson Timing RX4111CE A6 RX4111CE A6 Epson Timing 1: ¥375.4 Non-Stocked Lead-Time 16 Weeks	Mfr. Part # RX4111CE A6 Mouser Part # 732-RX4111CEA6	Epson Timing	Real Time Clock RX4111CE:A6 REAL TIME CLOCK SPI-BUS 3.0V 11.5PPM 2K TR	Datasheet	Non-Stocked Lead-Time 16 Weeks	Cut Tape ¥375.4 ¥277.4 ¥252.5 ¥244.2 ¥189.4 Reel ¥187.7 MouseReel Available	Min.: 1 Mult.: 1 : 2,000												Reel, Cut Tape, MouseReel
Real Time Clock RTC +/-3.4PPM-40 85C BULK-CUT TAPE Epson Timing RX-4803LC:UA PURE SN RX-4803LC:UA PURE SN Epson Timing 100: ¥1,881.9 Non-Stocked Lead-Time 17 Weeks	Mfr. Part # RX-4803LC:UA PURE SN Mouser Part # 732-RX4803LCUAPURESN	Epson Timing	Real Time Clock RTC +/-3.4PPM-40 85C BULK-CUT TAPE	Datasheet	Non-Stocked Lead-Time 17 Weeks	¥1,881.9 ¥1,875.3 ¥1,813.8 ¥1,792.2 View Quote	Min.: 100 Mult.: 1										RX-4803LC		Bulk
Real Time Clock RX4901CE XB A00 REAL TIME CLOCK 3 WIRE SPI-BUS +/-5PPM -40 85C PIN 4FOUT 1K TR Epson Timing RX4901CE XB A00 RX4901CE XB A00 Epson Timing 1,000: ¥403.6 Non-Stocked Lead-Time 16 Weeks	Mfr. Part # RX4901CE XB A00 Mouser Part # 732-RX4901CEXBA00	Epson Timing	Real Time Clock RX4901CE XB A00 REAL TIME CLOCK 3 WIRE SPI-BUS +/-5PPM -40 85C PIN 4FOUT 1K TR Learn More about Epson Timing epson rx8901ce rx4901ce real time clock modules	Datasheet	Non-Stocked Lead-Time 16 Weeks	Reel ¥403.6 ¥400.3	Min.: 1,000 Mult.: 1,000 : 1,000										RX4901CE		Reel
Real Time Clock RX4901CE XB A03 REAL TIME CLOCK 3 WIRE SPI-BUS +/-5PPM -40 85C PIN 4FOUT 250TR Epson Timing RX4901CE XB A03 RX4901CE XB A03 Epson Timing 250: ¥1,122.8 Non-Stocked Lead-Time 16 Weeks	Mfr. Part # RX4901CE XB A03 Mouser Part # 732-RX4901CEXBA03	Epson Timing	Real Time Clock RX4901CE XB A03 REAL TIME CLOCK 3 WIRE SPI-BUS +/-5PPM -40 85C PIN 4FOUT 250TR Learn More about Epson Timing epson rx8901ce rx4901ce real time clock modules	Datasheet	Non-Stocked Lead-Time 16 Weeks	Reel ¥1,122.8 ¥1,114.5 ¥1,104.6 Quote Quote	Min.: 250 Mult.: 250 : 250										RX4901CE		Reel
Real Time Clock RX4901CE XB B00 REAL TIME CLOCK 3 WIRE SPI-BUS +/-5PPM -40 85C PIN 4EVIN3 1K TR Epson Timing RX4901CE XB B00 RX4901CE XB B00 Epson Timing 1,000: ¥392 Non-Stocked Lead-Time 16 Weeks	Mfr. Part # RX4901CE XB B00 Mouser Part # 732-RX4901CEXBB00	Epson Timing	Real Time Clock RX4901CE XB B00 REAL TIME CLOCK 3 WIRE SPI-BUS +/-5PPM -40 85C PIN 4EVIN3 1K TR Learn More about Epson Timing epson rx8901ce rx4901ce real time clock modules	Datasheet	Non-Stocked Lead-Time 16 Weeks	Reel ¥392 ¥383.7	Min.: 1,000 Mult.: 1,000 : 1,000										RX4901CE		Reel
Real Time Clock RX4901CE XB B03 REAL TIME CLOCK 3 WIRE SPI-BUS +/-5PPM -40 85C PIN 4EVIN3 250TR Epson Timing RX4901CE XB B03 RX4901CE XB B03 Epson Timing 250: ¥1,122.8 Non-Stocked Lead-Time 16 Weeks	Mfr. Part # RX4901CE XB B03 Mouser Part # 732-RX4901CEXBB03	Epson Timing	Real Time Clock RX4901CE XB B03 REAL TIME CLOCK 3 WIRE SPI-BUS +/-5PPM -40 85C PIN 4EVIN3 250TR Learn More about Epson Timing epson rx8901ce rx4901ce real time clock modules	Datasheet	Non-Stocked Lead-Time 16 Weeks	Reel ¥1,122.8 ¥1,114.5 ¥1,104.6 Quote Quote	Min.: 250 Mult.: 250 : 250										RX4901CE		Reel
Real Time Clock RX4901CE XB C00 REAL TIME CLOCK 4 WIRE SPI-BUS +/-5PPM -40 85C PIN 4FOUT 1K TR Epson Timing RX4901CE XB C00 RX4901CE XB C00 Epson Timing 1,000: ¥403.6 Non-Stocked Lead-Time 16 Weeks	Mfr. Part # RX4901CE XB C00 Mouser Part # 732-RX4901CEXBC00	Epson Timing	Real Time Clock RX4901CE XB C00 REAL TIME CLOCK 4 WIRE SPI-BUS +/-5PPM -40 85C PIN 4FOUT 1K TR Learn More about Epson Timing epson rx8901ce rx4901ce real time clock modules	Datasheet	Non-Stocked Lead-Time 16 Weeks	Reel ¥403.6 ¥400.3	Min.: 1,000 Mult.: 1,000 : 1,000										RX4901CE		Reel
Real Time Clock RX4901CE XB C03 REAL TIME CLOCK 4 WIRE SPI-BUS +/-5PPM -40 85C PIN 4FOUT 250TR Epson Timing RX4901CE XB C03 RX4901CE XB C03 Epson Timing 250: ¥1,122.8 Non-Stocked Lead-Time 16 Weeks	Mfr. Part # RX4901CE XB C03 Mouser Part # 732-RX4901CEXBC03	Epson Timing	Real Time Clock RX4901CE XB C03 REAL TIME CLOCK 4 WIRE SPI-BUS +/-5PPM -40 85C PIN 4FOUT 250TR Learn More about Epson Timing epson rx8901ce rx4901ce real time clock modules	Datasheet	Non-Stocked Lead-Time 16 Weeks	Reel ¥1,122.8 ¥1,114.5 ¥1,104.6 Quote Quote	Min.: 250 Mult.: 250 : 250										RX4901CE		Reel
Real Time Clock RX4901CE XB D00 REAL TIME CLOCK 4 WIRE SPI-BUS +/-5PPM -40 85C PIN 4EVIN3 1K TR Epson Timing RX4901CE XB D00 RX4901CE XB D00 Epson Timing 1,000: ¥403.6 Non-Stocked Lead-Time 16 Weeks	Mfr. Part # RX4901CE XB D00 Mouser Part # 732-RX4901CEXBD00	Epson Timing	Real Time Clock RX4901CE XB D00 REAL TIME CLOCK 4 WIRE SPI-BUS +/-5PPM -40 85C PIN 4EVIN3 1K TR Learn More about Epson Timing epson rx8901ce rx4901ce real time clock modules	Datasheet	Non-Stocked Lead-Time 16 Weeks	Reel ¥403.6 ¥400.3	Min.: 1,000 Mult.: 1,000 : 1,000										RX4901CE		Reel
Real Time Clock RX4901CE XB D03 REAL TIME CLOCK 4 WIRE SPI-BUS +/-5PPM -40 85C PIN 4EVIN3 250TR Epson Timing RX4901CE XB D03 RX4901CE XB D03 Epson Timing 250: ¥1,122.8 Non-Stocked Lead-Time 16 Weeks	Mfr. Part # RX4901CE XB D03 Mouser Part # 732-RX4901CEXBD03	Epson Timing	Real Time Clock RX4901CE XB D03 REAL TIME CLOCK 4 WIRE SPI-BUS +/-5PPM -40 85C PIN 4EVIN3 250TR Learn More about Epson Timing epson rx8901ce rx4901ce real time clock modules	Datasheet	Non-Stocked Lead-Time 16 Weeks	Reel ¥1,122.8 ¥1,114.5 ¥1,104.6 Quote Quote	Min.: 250 Mult.: 250 : 250										RX4901CE		Reel
Real Time Clock RX4901CE XS A00 REAL TIME CLOCK 3 WIRE SPI-BUS +/-3PPM -40 85C PIN 4FOUT 1K TR Epson Timing RX4901CE XS A00 RX4901CE XS A00 Epson Timing 1,000: ¥536.5 Non-Stocked Lead-Time 16 Weeks	Mfr. Part # RX4901CE XS A00 Mouser Part # 732-RX4901CEXSA00	Epson Timing	Real Time Clock RX4901CE XS A00 REAL TIME CLOCK 3 WIRE SPI-BUS +/-3PPM -40 85C PIN 4FOUT 1K TR Learn More about Epson Timing epson rx8901ce rx4901ce real time clock modules	Datasheet	Non-Stocked Lead-Time 16 Weeks	Reel ¥536.5 ¥526.5	Min.: 1,000 Mult.: 1,000 : 1,000										RX4901CE		Reel
Real Time Clock RX4901CE XS A03 REAL TIME CLOCK 3 WIRE SPI-BUS +/-3PPM -40 85C PIN 4FOUT 250TR Epson Timing RX4901CE XS A03 RX4901CE XS A03 Epson Timing 250: ¥1,127.8 Non-Stocked Lead-Time 16 Weeks	Mfr. Part # RX4901CE XS A03 Mouser Part # 732-RX4901CEXSA03	Epson Timing	Real Time Clock RX4901CE XS A03 REAL TIME CLOCK 3 WIRE SPI-BUS +/-3PPM -40 85C PIN 4FOUT 250TR Learn More about Epson Timing epson rx8901ce rx4901ce real time clock modules	Datasheet	Non-Stocked Lead-Time 16 Weeks	Reel ¥1,127.8 ¥1,119.5 ¥1,109.5 Quote Quote	Min.: 250 Mult.: 250 : 250										RX4901CE		Reel
Real Time Clock RX4901CE XS B00 REAL TIME CLOCK 3 WIRE SPI-BUS +/-3PPM -40 85C PIN4EVIN3 1K TR Epson Timing RX4901CE XS B00 RX4901CE XS B00 Epson Timing 1,000: ¥536.5 Non-Stocked Lead-Time 16 Weeks	Mfr. Part # RX4901CE XS B00 Mouser Part # 732-RX4901CEXSB00	Epson Timing	Real Time Clock RX4901CE XS B00 REAL TIME CLOCK 3 WIRE SPI-BUS +/-3PPM -40 85C PIN4EVIN3 1K TR Learn More about Epson Timing epson rx8901ce rx4901ce real time clock modules	Datasheet	Non-Stocked Lead-Time 16 Weeks	Reel ¥536.5 ¥529.9 Quote Quote	Min.: 1,000 Mult.: 1,000 : 1,000										RX4901CE		Reel
Real Time Clock RX4901CE XS B03 REAL TIME CLOCK 3 WIRE SPI-BUS +/-3PPM -40 85C PIN4EVIN3 250TR Epson Timing RX4901CE XS B03 RX4901CE XS B03 Epson Timing 250: ¥1,122.8 Non-Stocked Lead-Time 16 Weeks	Mfr. Part # RX4901CE XS B03 Mouser Part # 732-RX4901CEXSB03	Epson Timing	Real Time Clock RX4901CE XS B03 REAL TIME CLOCK 3 WIRE SPI-BUS +/-3PPM -40 85C PIN4EVIN3 250TR Learn More about Epson Timing epson rx8901ce rx4901ce real time clock modules	Datasheet	Non-Stocked Lead-Time 16 Weeks	Reel ¥1,122.8 ¥1,114.5 ¥1,104.6 Quote Quote	Min.: 250 Mult.: 250 : 250										RX4901CE		Reel
Real Time Clock RX4901CE XS C00 REAL TIME CLOCK 4 WIRE SPI-BUS +/-3PPM -40 85C PIN 4FOUT 1K TR Epson Timing RX4901CE XS C00 RX4901CE XS C00 Epson Timing 1,000: ¥551.5 Non-Stocked Lead-Time 16 Weeks	Mfr. Part # RX4901CE XS C00 Mouser Part # 732-RX4901CEXSC00	Epson Timing	Real Time Clock RX4901CE XS C00 REAL TIME CLOCK 4 WIRE SPI-BUS +/-3PPM -40 85C PIN 4FOUT 1K TR Learn More about Epson Timing epson rx8901ce rx4901ce real time clock modules	Datasheet	Non-Stocked Lead-Time 16 Weeks	Reel ¥551.5	Min.: 1,000 Mult.: 1,000 : 1,000										RX4901CE		Reel
Real Time Clock RX4901CE XS C03 REAL TIME CLOCK 4 WIRE SPI-BUS +/-3PPM -40 85C PIN 4FOUT 250TR Epson Timing RX4901CE XS C03 RX4901CE XS C03 Epson Timing 250: ¥1,097.9 Non-Stocked Lead-Time 16 Weeks	Mfr. Part # RX4901CE XS C03 Mouser Part # 732-RX4901CEXSC03	Epson Timing	Real Time Clock RX4901CE XS C03 REAL TIME CLOCK 4 WIRE SPI-BUS +/-3PPM -40 85C PIN 4FOUT 250TR Learn More about Epson Timing epson rx8901ce rx4901ce real time clock modules	Datasheet	Non-Stocked Lead-Time 16 Weeks	Reel ¥1,097.9 ¥1,074.7 ¥1,059.7 Quote Quote	Min.: 250 Mult.: 250 : 250										RX4901CE		Reel