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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 (SGD) 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 1.6-5.5V RX8804CE:XA3 Epson Timing 1: $14.36 257In Stock	Mfr. Part No. RX8804CE:XA3 Mouser Part No 732-RX8804CE:XA3	Epson Timing	Real Time Clock 1.6-5.5V Learn More about Epson Timing epson rx8804ce clock modules	Datasheet	257In Stock	Cut Tape $14.36 $11.18 $9.96 $9.82 Reel $8.34 View Quote MouseReel Available	Min.: 1 Mult.: 1 : 250	I2C	YY-MM-DD-dd	HH:MM:SS (24 hr)		No Backup Switching	1.6 V	5.5 V	- 40 C	+ 105 C	RX8804CE	SMD/SMT	Reel, Cut Tape, MouseReel
Real Time Clock 32.768kHz-DTCXO 3.4ppm I2C-Bus RX8900CE UA3 Epson Timing 1: $13.21 1,019In Stock	Mfr. Part No. RX8900CE UA3 Mouser Part No 732-RX8900CEUA3	Epson Timing	Real Time Clock 32.768kHz-DTCXO 3.4ppm I2C-Bus Learn More about Epson Timing epson rx8900ce rtc modules	Datasheet	1,019In Stock	Cut Tape $13.21 $10.28 $9.55 $8.74 Reel $8.28 View $8.11 $7.92 Quote MouseReel Available	Min.: 1 Mult.: 1 : 250	I2C	YY-MM-DD-dd	HH:MM:SS (24 hr)		Backup Switching	2.5 V	5.5 V	- 40 C	+ 85 C	RX8900CE	SMD/SMT	Reel, Cut Tape, MouseReel
Real Time Clock 32.768kHz-DTCXO 3.4ppm I2C-Bus RX8900SA UA0 PURE SN Epson Timing 1: $6.65 921In Stock	Mfr. Part No. RX8900SA UA0 PURE SN Mouser Part No 732-RX8900SAUA0SN	Epson Timing	Real Time Clock 32.768kHz-DTCXO 3.4ppm I2C-Bus Learn More about Epson Timing epson rx8900ce rtc modules	Datasheet	921In Stock	Cut Tape $6.65 $5.02 $4.61 $4.16 Reel $3.67 View $3.94 $3.92 $3.59 MouseReel Available	Min.: 1 Mult.: 1 : 1,000	I2C	YY-MM-DD-dd	HH:MM:SS (24 hr)		Backup Switching	2.5 V	5.5 V	- 40 C	+ 85 C	RX8900CE	SMD/SMT	Reel, Cut Tape, MouseReel
Real Time Clock 5+/-23PPM RTC 250TR RX-8571LC:B3 PURE SN Epson Timing 1: $9.89 844In Stock	Mfr. Part No. RX-8571LC:B3 PURE SN Mouser Part No 732-RX-8571LCB3	Epson Timing	Real Time Clock 5+/-23PPM RTC 250TR Learn More about Epson Timing epson rx 8571salc rtc modules	Datasheet	844In Stock	Cut Tape $9.89 $7.63 $6.85 $6.35 Reel $5.85 View $5.78 $5.77 $5.51 Quote	Min.: 1 Mult.: 1 : 250	I2C	YY-MM-DD-dd	HH:MM:SS (24 hr)	VSOJ-12	No Backup Switching	1.6 V	5.5 V	- 40 C	+ 85 C	RX-8571LC	SMD/SMT	Reel, Cut Tape
Real Time Clock RX8804CE:XA3 REAL TIME CLOCK +/-3.4PPM DTCXO 250TR RX8804CE XA3 Epson Timing 1: $14.36 250In Stock	Mfr. Part No. RX8804CE XA3 Mouser Part No 732-RX8804CEXA3	Epson Timing	Real Time Clock RX8804CE:XA3 REAL TIME CLOCK +/-3.4PPM DTCXO 250TR	Datasheet	250In Stock	Cut Tape $14.36 $11.18 $10.38 $9.51 Reel $8.98 View $8.96 $8.88 Quote	Min.: 1 Mult.: 1 : 250	I2C	YY-MM-DD-dd	HH:MM:SS (24 hr)		No Backup Switching	1.6 V	5.5 V	- 40 C	+ 105 C	RX8804CE	SMD/SMT	Reel, Cut Tape
Real Time Clock RX8804CE:XB0 REAL TIME CLOCK +/-5.0PPM DTCXO 1K TR RX8804CE XB0 Epson Timing 1: $5.14 990In Stock	Mfr. Part No. RX8804CE XB0 Mouser Part No 732-RX8804CEXB0	Epson Timing	Real Time Clock RX8804CE:XB0 REAL TIME CLOCK +/-5.0PPM DTCXO 1K TR Learn More about Epson Timing epson rx8804ce clock modules	Datasheet	990In Stock	Cut Tape $5.14 $3.88 $3.56 $3.21 Reel $2.76 View $2.99 $2.91 $2.67 $2.61	Min.: 1 Mult.: 1 : 1,000	I2C	YY-MM-DD-dd	HH:MM:SS (24 hr)		No Backup Switching	1.6 V	5.5 V	- 40 C	+ 105 C		SMD/SMT	Reel, Cut Tape
Real Time Clock 32.768kHz-DTCXO 5ppm I2C-Bus RX8900SA UC3 PURE SN Epson Timing 1: $8.15 766In Stock	Mfr. Part No. RX8900SA UC3 PURE SN Mouser Part No 732-RX8900SAUC3SN	Epson Timing	Real Time Clock 32.768kHz-DTCXO 5ppm I2C-Bus Learn More about Epson Timing epson rx8900sa rtc modules	Datasheet	766In Stock	Cut Tape $8.15 $6.24 $5.77 $5.25 Reel $4.99 View $4.84 $4.79 $4.72 MouseReel Available	Min.: 1 Mult.: 1 : 250	Serial 2-Wire, I2C	YY-MM-DD-dd	HH:MM:SS (24 hr)		Backup Switching	2.5 V	5.5 V	- 40 C	+ 85 C	RX8900SA	SMD/SMT	Reel, Cut Tape, MouseReel
Real Time Clock AECQ-200 IC RTC Ultra small Low Power CLK/CALENDAR I2C MODULE 2012 AB-RTC-XPA-32.768KHZ-2-T1 ABRACON 1: $3.96 800In Stock New Product	Mfr. Part No. AB-RTC-XPA-32.768KHZ-2-T1 Mouser Part No 815-AB-XPA-32768K2T1 New Product	ABRACON	Real Time Clock AECQ-200 IC RTC Ultra small Low Power CLK/CALENDAR I2C MODULE 2012 Learn More about ABRACON ultra low power rtc modules	Datasheet	800In Stock	Cut Tape $3.96 $2.95 $2.69 $2.42 Reel $2.12 View $2.28 $2.23 $2.05 $2.01 MouseReel Available	Min.: 1 Mult.: 1 : 1,000	I2C			DFN-8	Integrated Battery	900 mV	5.5 V	- 40 C	+ 85 C	AB-RTC-XPA-32.768kHz-2	SMD/SMT	Reel, Cut Tape, MouseReel
Real Time Clock IC RTC Ultra small Low Power CLK/CALENDAR I2C MODULE 3215 AB-RTC-XL-32.768KHZ-2-T1 ABRACON 1: $3.97 852In Stock New Product	Mfr. Part No. AB-RTC-XL-32.768KHZ-2-T1 Mouser Part No 815-RTCXL32768KHZ2T1 New Product	ABRACON	Real Time Clock IC RTC Ultra small Low Power CLK/CALENDAR I2C MODULE 3215 Learn More about ABRACON ab rtc xl low power rtcs	Datasheet	852In Stock	Cut Tape $3.97 $2.96 $2.71 $2.43 Reel $2.16 View $2.30 $2.24 $2.08 $2.05 MouseReel Available	Min.: 1 Mult.: 1 : 1,000	I2C		HH:MM:SS (24 hr)	SON-8	No Backup Switching	900 mV	5.5 V	- 40 C	+ 85 C	AB-RTC-XL	SMD/SMT	Reel, Cut Tape, MouseReel
Real Time Clock IC RTC Ultra small Low Power CLK/CALENDAR I2C MODULE 2012 AB-RTC-XP-32.768KHZ-2-T1 ABRACON 1: $3.81 800In Stock New Product	Mfr. Part No. AB-RTC-XP-32.768KHZ-2-T1 Mouser Part No 815-XP32762T1 New Product	ABRACON	Real Time Clock IC RTC Ultra small Low Power CLK/CALENDAR I2C MODULE 2012 Learn More about ABRACON ultra low power rtc modules	Datasheet	800In Stock	Cut Tape $3.81 $2.84 $2.60 $2.33 Reel $2.04 View $2.20 $2.15 $1.97 $1.94 MouseReel Available	Min.: 1 Mult.: 1 : 1,000	I2C			DFN-8	Integrated Battery	900 mV	5.5 V	- 40 C	+ 85 C	AB-RTC-XP-32.768kHz-2	SMD/SMT	Reel, Cut Tape, MouseReel
Real Time Clock 32.768kHz-DTCXO 3.4ppm I2C-Bus RX8900SA UA3 PURE SN Epson Timing 1: $13.52 14In Stock	Mfr. Part No. RX8900SA UA3 PURE SN Mouser Part No 732-RX8900SAUA3SN	Epson Timing	Real Time Clock 32.768kHz-DTCXO 3.4ppm I2C-Bus Learn More about Epson Timing epson rx8900sa rtc modules	Datasheet	14In Stock	Cut Tape $13.52 $10.51 $9.76 $8.94 Reel $8.47 View $8.31 $8.11 Quote MouseReel Available	Min.: 1 Mult.: 1 : 250	Serial 2-Wire, I2C	YY-MM-DD-dd	HH:MM:SS (24 hr)		Backup Switching	2.5 V	5.5 V	- 40 C	+ 85 C	RX8900SA	SMD/SMT	Reel, Cut Tape, MouseReel
Real Time Clock 32.768kHz-DTCXO 5ppm I2C-Bus RX8900SA UB0 PURE SN Epson Timing 1: $4.15 539In Stock	Mfr. Part No. RX8900SA UB0 PURE SN Mouser Part No 732-RX8900SAUB0SN	Epson Timing	Real Time Clock 32.768kHz-DTCXO 5ppm I2C-Bus Learn More about Epson Timing epson rx8900sa rtc modules	Datasheet	539In Stock	Cut Tape $4.15 $3.10 $2.83 $2.54 Reel $2.18 View $2.41 $2.39 $2.12 $2.07 MouseReel Available	Min.: 1 Mult.: 1 : 1,000	I2C	YY-MM-DD-dd	HH:MM:SS (24 hr)		Backup Switching	2.5 V	5.5 V	- 40 C	+ 85 C	RX8900SA	SMD/SMT	Reel, Cut Tape, MouseReel
Real Time Clock 3.8ppm 1.6-5.5V RX8804CE:XB3 Epson Timing 1: $10.49 277In Stock 250Expected 15/2/2027	Mfr. Part No. RX8804CE:XB3 Mouser Part No 732-RX8804CE:XB3	Epson Timing	Real Time Clock 3.8ppm 1.6-5.5V Learn More about Epson Timing epson rx8804ce clock modules	Datasheet	277In Stock 250Expected 15/2/2027	Cut Tape $10.49 $8.08 $7.18 $6.70 Reel $6.19 MouseReel Available	Min.: 1 Mult.: 1 : 250	Serial 2-Wire, I2C	YY-MM-DD-dd	HH:MM:SS (24 hr)		No Backup Switching	1.6 V	5.5 V	- 40 C	+ 105 C	RX8804CE	SMD/SMT	Reel, Cut Tape, MouseReel
Real Time Clock RX4901CE XS B0 REAL TIME CLOCK MODULE SPI-Bus 3.0V +/-3ppm 2k TR RX4901CE XS B06 Epson Timing 1: $7.96 1,800In Stock	Mfr. Part No. RX4901CE XS B06 Mouser Part No 732-RX4901CEXSB06	Epson Timing	Real Time Clock RX4901CE XS B0 REAL TIME CLOCK MODULE SPI-Bus 3.0V +/-3ppm 2k TR Learn More about Epson Timing epson rx8901ce rx4901ce real time clock modules	Datasheet	1,800In Stock	Cut Tape $7.96 $6.07 $5.59 $5.07 View Reel $4.41 $4.81 $4.66 $4.54 $4.41 Quote MouseReel Available	Min.: 1 Mult.: 1 : 2,000	I2C	YY-MM-DD-dd	HH:MM:SS (24 hr)		Backup Switching	1.6 V	5.5 V	- 40 C	+ 105 C	RX4901CE	SMD/SMT	Reel, Cut Tape, MouseReel
Real Time Clock RX4901CE XS D0 REAL TIME CLOCK MODULE SPI-Bus 3.0V +/-3ppm 2k TR RX4901CE XS D06 Epson Timing 1: $8.06 1,922In Stock	Mfr. Part No. RX4901CE XS D06 Mouser Part No 732-RX4901CEXSD06	Epson Timing	Real Time Clock RX4901CE XS D0 REAL TIME CLOCK MODULE SPI-Bus 3.0V +/-3ppm 2k TR Learn More about Epson Timing epson rx8901ce rx4901ce real time clock modules	Datasheet	1,922In Stock	Cut Tape $8.06 $6.16 $5.68 $5.17 View Reel $4.35 $4.91 $4.80 $4.52 $4.35 Quote MouseReel Available	Min.: 1 Mult.: 1 : 2,000	I2C	YY-MM-DD-dd	HH:MM:SS (24 hr)		Backup Switching	1.6 V	5.5 V	- 40 C	+ 105 C	RX4901CE	SMD/SMT	Reel, Cut Tape, MouseReel
Real Time Clock RX-8571LC:B0 PURE SN 5+/-23PPM REAL TIME CLOCK RX-8571LCB0 PURE SN Epson Timing 1: $4.91 459In Stock	Mfr. Part No. RX-8571LCB0 PURE SN Mouser Part No 732-RX8571LCB0PURESN	Epson Timing	Real Time Clock RX-8571LC:B0 PURE SN 5+/-23PPM REAL TIME CLOCK Learn More about Epson Timing epson rx 8571salc rtc modules	Datasheet	459In Stock	Cut Tape $4.91 $3.69 $3.37 $3.02 Reel $2.46 View $2.86 $2.48 $2.43 $2.42 MouseReel Available	Min.: 1 Mult.: 1 : 1,000	I2C	YY-MM-DD-dd	HH:MM:SS (24 hr)		No Backup Switching	1.6 V	5.5 V	- 40 C	+ 85 C	RX-8571LC	SMD/SMT	Reel, Cut Tape, MouseReel
Real Time Clock RX4901CEXS A0 REAL TIME CLOCK MODULE SPI-Bus 3.0V +/-3ppm 2k TR RX4901CE XS A06 Epson Timing 1: $7.96 1,988In Stock	Mfr. Part No. RX4901CE XS A06 Mouser Part No 732-RX4901CEXSA06	Epson Timing	Real Time Clock RX4901CEXS A0 REAL TIME CLOCK MODULE SPI-Bus 3.0V +/-3ppm 2k TR Learn More about Epson Timing epson rx8901ce rx4901ce real time clock modules	Datasheet	1,988In Stock	Cut Tape $7.96 $6.07 $5.59 $5.07 View Reel $4.42 $4.81 $4.66 $4.54 $4.42 Quote MouseReel Available	Min.: 1 Mult.: 1 : 2,000	I2C	YY-MM-DD-dd	HH:MM:SS (24 hr)		Backup Switching	1.6 V	5.5 V	- 40 C	+ 105 C	RX4901CE	SMD/SMT	Reel, Cut Tape, MouseReel
Real Time Clock REAL TIME CLOCK 3.0V 5+/-23PPM 250TR RX6110SA:B3 PURE SN Epson Timing 1: $6.73 411In Stock	Mfr. Part No. RX6110SA:B3 PURE SN Mouser Part No 732-RX6110SAB3PURESN	Epson Timing	Real Time Clock REAL TIME CLOCK 3.0V 5+/-23PPM 250TR	Datasheet	411In Stock	Cut Tape $6.73 $5.13 $4.72 $4.28 Reel $4.00 View $3.90 $3.84 $3.73 Quote MouseReel Available	Min.: 1 Mult.: 1 : 250	Serial, I2C, SPI	YY-MM-DD-dd	HH:MM:SS (24 hr)		Backup Switching	1.6 V	5.5 V	- 40 C	+ 85 C	RX6110SA	SMD/SMT	Reel, Cut Tape, MouseReel
Real Time Clock Built-In TXCO Real Time Clock Module with I2C Bus AB-RTC-TH-32.768kHz-2-T3 ABRACON 1: $4.49 2,960In Stock New Product	Mfr. Part No. AB-RTC-TH-32.768kHz-2-T3 Mouser Part No 815-ABRTCTH32768K2T3 New Product	ABRACON	Real Time Clock Built-In TXCO Real Time Clock Module with I2C Bus Learn More about ABRACON ab rtc tx 32 modules	Datasheet	2,960In Stock	Cut Tape $4.49 $3.36 $3.07 $2.77 Reel $2.52 View $2.62 $2.56 $2.53 $2.42 MouseReel Available	Min.: 1 Mult.: 1 : 3,000	I2C				Backup Switching	1.6 V	5.5 V	- 40 C	+ 85 C	AB-RTC-TH-32.768kHz-2	SMD/SMT	Reel, Cut Tape, MouseReel
Real Time Clock RTC TCXO I2C 3ppm 3215 AB-RTC-TN-32.768kHz-2-T1 ABRACON 1: $7.10 826In Stock New Product	Mfr. Part No. AB-RTC-TN-32.768kHz-2-T1 Mouser Part No 815-ABRTCTN32768K2T1 New Product	ABRACON	Real Time Clock RTC TCXO I2C 3ppm 3215 Learn More about ABRACON ab rtc tn real time clocks	Datasheet	826In Stock	Cut Tape $7.10 $5.41 $4.99 $4.53 Reel $4.15 View $4.31 $4.20 $4.01 MouseReel Available	Min.: 1 Mult.: 1 : 1,000	I2C			DFN-8	Backup Switching	1.5 V	5.5 V	- 40 C	+ 85 C		SMD/SMT	Reel, Cut Tape, MouseReel
Real Time Clock RTC TCXO I2C 3ppm 3215 AEC-Q200 AB-RTC-TNA-32.768kHz-2-T1 ABRACON 1: $7.40 990In Stock New Product	Mfr. Part No. AB-RTC-TNA-32.768kHz-2-T1 Mouser Part No 815-BRTCTNA32768K2T1 New Product	ABRACON	Real Time Clock RTC TCXO I2C 3ppm 3215 AEC-Q200 Learn More about ABRACON ab rtc tn real time clocks	Datasheet	990In Stock	Cut Tape $7.40 $5.64 $5.20 $4.72 Reel $4.32 View $4.49 $4.38 $4.19 MouseReel Available	Min.: 1 Mult.: 1 : 1,000	I2C			DFN-8	Backup Switching	1.5 V	5.5 V	- 40 C	+ 85 C		SMD/SMT	Reel, Cut Tape, MouseReel
Real Time Clock Built-In TXCO Real Time Clock Module with I2C Bus AB-RTC-TA-32.768kHz-2-T3 ABRACON 1: $2.58 2,348In Stock New Product	Mfr. Part No. AB-RTC-TA-32.768kHz-2-T3 Mouser Part No 815-ABRTCTA32768K2T3 New Product	ABRACON	Real Time Clock Built-In TXCO Real Time Clock Module with I2C Bus Learn More about ABRACON ab rtc tx 32 modules	Datasheet	2,348In Stock	Cut Tape $2.58 $1.89 $1.71 $1.52 Reel $1.35 View $1.50 $1.18 MouseReel Available	Min.: 1 Mult.: 1 : 3,000	I2C			SOP-8	Backup Switching	1.6 V	5.5 V	- 40 C	+ 85 C	AB-RTC-TA-32.768kHz-2	SMD/SMT	Reel, Cut Tape, MouseReel
Real Time Clock Built-In TXCO Real Time Clock Module with I2C Bus AB-RTC-TC-32.768kHz-2-T ABRACON 1: $4.99 2,049In Stock New Product	Mfr. Part No. AB-RTC-TC-32.768kHz-2-T Mouser Part No 815-ABRTCTC32768K2T3 New Product	ABRACON	Real Time Clock Built-In TXCO Real Time Clock Module with I2C Bus Learn More about ABRACON ab rtc tx 32 modules	Datasheet	2,049In Stock	Cut Tape $4.99 $3.77 $3.45 $3.13 Reel $2.76 View $2.96 $2.87 $2.65 MouseReel Available	Min.: 1 Mult.: 1 : 1,300	I2C				Backup Switching	1.6 V	5.5 V	- 40 C	+ 85 C	AB-RTC-TC-32.768kHz-2	SMD/SMT	Reel, Cut Tape, MouseReel
Real Time Clock Built-In XO Real Time Clock Module with I2C Bus AB-RTC-XB-32.768kHz-2-T3 ABRACON 1: $3.60 1,968In Stock New Product	Mfr. Part No. AB-RTC-XB-32.768kHz-2-T3 Mouser Part No 815-ABRTCXB32768K2T3 New Product	ABRACON	Real Time Clock Built-In XO Real Time Clock Module with I2C Bus Learn More about ABRACON ab rtc xb 32 module	Datasheet	1,968In Stock	Cut Tape $3.60 $2.68 $2.45 $2.19 Reel $1.99 View $2.08 $2.00 $1.97 MouseReel Available	Min.: 1 Mult.: 1 : 3,000	I2C				Backup Switching	1.2 V	5.5 V	- 40 C	+ 85 C	AB-RTC-XB-32.768kHz-2	SMD/SMT	Reel, Cut Tape, MouseReel
Real Time Clock 32.768kHz I2C 20ppm 2.0x1.2x0.7mm RV-8263-C8 32.768kHz-20PPM-TA-QC Micro Crystal 1: $2.05 4,320In Stock	Mfr. Part No. RV-8263-C8 32.768kHz-20PPM-TA-QC Mouser Part No 428-204208-MC01	Micro Crystal	Real Time Clock 32.768kHz I2C 20ppm 2.0x1.2x0.7mm Learn More about Micro Crystal rv 8263 c8 rtc modules	Datasheet	4,320In Stock	Cut Tape $2.05 $1.51 $1.35 $1.20 Reel $1.08 View $1.12 $1.08 $1.02 MouseReel Available	Min.: 1 Mult.: 1 : 1,000	I2C	YY-MM-DD-dd	HH:MM:SS:hh (12 hr, 24 hr)	SON-8		900 mV	5.5 V	- 40 C	+ 85 C	RV-8263-C8	SMD/SMT	Reel, Cut Tape, MouseReel