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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 (USD) 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	Qualification	Packaging
Real Time Clock REAL TIME CLK W/ ALARM & TIMR FUNCTNS ISL12058IRTZ-T Renesas / Intersil 6,000: $1.51 Non-Stocked Lead-Time 36 Weeks	Mfr. Part No. ISL12058IRTZ-T Mouser Part No 968-ISL12058IRTZ-T	Renesas / Intersil	Real Time Clock REAL TIME CLK W/ ALARM & TIMR FUNCTNS	Datasheet	Non-Stocked Lead-Time 36 Weeks	Reel $1.51	Min.: 6,000 Mult.: 6,000 : 6,000	I2C	YY-MM-DD-dd	HH:MM:SS (24 hr)	TDFN-8	No Backup Switching	1.8 V	3.6 V	- 40 C	+ 85 C	ISL12058	SMD/SMT		Reel
Real Time Clock REAL TIME CLK W/ ALARM & TIMR FUNCTNS ISL12058IUZ Renesas / Intersil 2,000: $1.53 Non-Stocked Lead-Time 36 Weeks	Mfr. Part No. ISL12058IUZ Mouser Part No 968-ISL12058IUZ	Renesas / Intersil	Real Time Clock REAL TIME CLK W/ ALARM & TIMR FUNCTNS	Datasheet	Non-Stocked Lead-Time 36 Weeks	$1.53 $1.47 $1.44	Min.: 2,000 Mult.: 50	I2C	YY-MM-DD-dd	HH:MM:SS (24 hr)	MSOP-8	No Backup Switching	1.8 V	3.6 V	- 40 C	+ 85 C	ISL12058	SMD/SMT		Tube
Real Time Clock REAL TIME CLK W/ ALARM & TIMR FUNCTNS ISL12058IUZ-T Renesas / Intersil 2,500: $1.49 Non-Stocked Lead-Time 36 Weeks	Mfr. Part No. ISL12058IUZ-T Mouser Part No 968-ISL12058IUZ-T	Renesas / Intersil	Real Time Clock REAL TIME CLK W/ ALARM & TIMR FUNCTNS	Datasheet	Non-Stocked Lead-Time 36 Weeks	Reel $1.49 $1.47	Min.: 2,500 Mult.: 2,500 : 2,500	I2C	YY-MM-DD-dd	HH:MM:SS (24 hr)	MSOP-8	No Backup Switching	1.8 V	3.6 V	- 40 C	+ 85 C	ISL12058	SMD/SMT		Reel
Real Time Clock I2CAL TIME CLK/CLNDR 8LD ISL1208IB8Z-T7A Renesas / Intersil 1: $4.17 Non-Stocked Lead-Time 36 Weeks	Mfr. Part No. ISL1208IB8Z-T7A Mouser Part No 968-ISL1208IB8Z-T7A	Renesas / Intersil	Real Time Clock I2CAL TIME CLK/CLNDR 8LD	Datasheet	Non-Stocked Lead-Time 36 Weeks	Cut Tape $4.17 $3.16 $2.90 $2.63 Reel $2.45 MouseReel Available	Min.: 1 Mult.: 1 : 250	I2C	YY-MM-DD-dd	HH:MM:SS (24 hr)	SOIC-8	Backup Switching	2.7 V	5.5 V	- 40 C	+ 85 C	ISL1208	SMD/SMT		Reel, Cut Tape, MouseReel
Real Time Clock RTC I2c Serial IC 1.8 to 5.5V 32kHz 1337AGDVGI8 Renesas Electronics 1: $2.72 Non-Stocked Lead-Time 33 Weeks	Mfr. Part No. 1337AGDVGI8 Mouser Part No 972-1337AGDVGI8	Renesas Electronics	Real Time Clock RTC I2c Serial IC 1.8 to 5.5V 32kHz	Datasheet	Non-Stocked Lead-Time 33 Weeks	Cut Tape $2.72 $2.02 $1.84 $1.65 View Reel $1.36 $1.56 $1.51 $1.45 $1.36 MouseReel Available	Min.: 1 Mult.: 1 : 2,500				MSOP-8						1337AGD	SMD/SMT		Reel, Cut Tape, MouseReel
Real Time Clock .9RTC BASE 1338-31DVGI Renesas Electronics 1: $3.32 Non-Stocked Lead-Time 33 Weeks	Mfr. Part No. 1338-31DVGI Mouser Part No 972-1338-31DVGI	Renesas Electronics	Real Time Clock .9RTC BASE	Datasheet	Non-Stocked Lead-Time 33 Weeks	$3.32 $2.57	Min.: 1 Mult.: 1	I2C	YY-MM-DD-dd	HH:MM:SS:hh (12 hr, 24 hr)	MSOP-8	Backup Switching	3.3 V	5.5 V	- 40 C	+ 85 C	1338	SMD/SMT		Tube
Real Time Clock 1338B-18 REAL TIME CLOCK 1338B-18DVGI Renesas Electronics 1: $3.07 Non-Stocked Lead-Time 33 Weeks	Mfr. Part No. 1338B-18DVGI Mouser Part No 972-1338B-18DVGI	Renesas Electronics	Real Time Clock 1338B-18 REAL TIME CLOCK	Datasheet	Non-Stocked Lead-Time 33 Weeks	$3.07 $2.29 $2.09 $1.87 $1.75	Min.: 1 Mult.: 1										1338			Tube
Real Time Clock Real Time Clock 1339-31DCGI Renesas Electronics 1: $3.93 Non-Stocked Lead-Time 33 Weeks	Mfr. Part No. 1339-31DCGI Mouser Part No 972-1339-31DCGI	Renesas Electronics	Real Time Clock Real Time Clock	Datasheet	Non-Stocked Lead-Time 33 Weeks	$3.93 $2.96 $2.72 $2.45 $2.32	Min.: 1 Mult.: 1	I2C	YY-MM-DD-dd	HH:MM:SS:hh (12 hr, 24 hr)	SOIC-8	Backup Switching	3.3 V	5.5 V	- 40 C	+ 85 C	1339	SMD/SMT		Tube
Real Time Clock Real Time Clock 1339-31DCGI8 Renesas Electronics 1: $3.93 Non-Stocked Lead-Time 33 Weeks	Mfr. Part No. 1339-31DCGI8 Mouser Part No 972-1339-31DCGI8	Renesas Electronics	Real Time Clock Real Time Clock	Datasheet	Non-Stocked Lead-Time 33 Weeks	Cut Tape $3.93 $2.96 $2.72 $2.46 $2.33 Reel $2.33	Min.: 1 Mult.: 1 : 3,000	Serial 2-Wire, I2C	YY-MM-DD-dd	HH:MM:SS:hh (12 hr, 24 hr)	SOIC-8	Backup Switching	1.3 V	3.6 V	- 40 C	+ 85 C	1339	SMD/SMT		Reel, Cut Tape
Real Time Clock 1339D-31 REAL TIME CLOCK 1339D-31DVGI Renesas Electronics 1: $2.88 Non-Stocked Lead-Time 33 Weeks	Mfr. Part No. 1339D-31DVGI Mouser Part No 972-1339D-31DVGI	Renesas Electronics	Real Time Clock 1339D-31 REAL TIME CLOCK	Datasheet	Non-Stocked Lead-Time 33 Weeks	$2.88 $2.15 $1.96 $1.75 $1.64	Min.: 1 Mult.: 1										1339			Tube
Real Time Clock 32.768 kHz OPTION B TEMP COMP SPI RV-3049-C3-32.768KHZ-OPTION-B-TA-QC Micro Crystal 1,000: $2.03 Non-Stocked NRND	Mfr. Part No. RV-3049-C3-32.768KHZ-OPTION-B-TA-QC Mouser Part No 428-201734-MG01 NRND	Micro Crystal	Real Time Clock 32.768 kHz OPTION B TEMP COMP SPI	Datasheet	Non-Stocked	$2.03	Min.: 1,000 Mult.: 1,000	Serial 2-Wire, I2C	YY-MM-DD-dd	HH:MM:SS (24 hr)		Backup Switching	1.3 V	5.5 V	- 40 C	+ 85 C	RV-3049-C3	SMD/SMT
Real Time Clock 32.768 kHz OPTION A TEMP COMP I2C RV-3029-C3-32.768KHZ-OPTION-A-TA-QC Micro Crystal 1,000: $2.51 Non-Stocked NRND	Mfr. Part No. RV-3029-C3-32.768KHZ-OPTION-A-TA-QC Mouser Part No 428-201875-MG01 NRND	Micro Crystal	Real Time Clock 32.768 kHz OPTION A TEMP COMP I2C	Datasheet	Non-Stocked	$2.51	Min.: 1,000 Mult.: 1,000								- 40 C	+ 85 C	RV-3029-C3	SMD/SMT
Real Time Clock 32.768 kHz OPTION B TEMP COMP -40/+125C RV-3029-C3-32.768KHZ-OPTION-B-TB-QC Micro Crystal 1,000: $2.30 Non-Stocked NRND	Mfr. Part No. RV-3029-C3-32.768KHZ-OPTION-B-TB-QC Mouser Part No 428-201990-MG01 NRND	Micro Crystal	Real Time Clock 32.768 kHz OPTION B TEMP COMP -40/+125C	Datasheet	Non-Stocked	Reel $2.30	Min.: 1,000 Mult.: 1,000 : 1,000								- 40 C	+ 125 C	RV-3029-C3	SMD/SMT		Reel
Real Time Clock 32.768 kHz OPTION B TEMP COMP AEC-Q200 RV-3029-C3-32.768k-OPTION-B-TB-QA Micro Crystal 1,000: $2.38 Non-Stocked NRND	Mfr. Part No. RV-3029-C3-32.768k-OPTION-B-TB-QA Mouser Part No 428-202116-MG01 NRND	Micro Crystal	Real Time Clock 32.768 kHz OPTION B TEMP COMP AEC-Q200	Datasheet	Non-Stocked	$2.38	Min.: 1,000 Mult.: 1,000								- 40 C	+ 125 C	RV-3029-C3	SMD/SMT	AEC-Q200
Real Time Clock 32.768 kHz OPTION A TEMP COMP -40/+125C RV-3049-C3-32.768KHZ-OPTION-A-TB-QC Micro Crystal 1,000: $2.69 Non-Stocked NRND	Mfr. Part No. RV-3049-C3-32.768KHZ-OPTION-A-TB-QC Mouser Part No 428-202219-MG01 NRND	Micro Crystal	Real Time Clock 32.768 kHz OPTION A TEMP COMP -40/+125C	Datasheet	Non-Stocked	Reel $2.69	Min.: 1,000 Mult.: 1,000 : 1,000								- 40 C	+ 125 C	RV-3049-C3	SMD/SMT		Reel
Real Time Clock 32.768 kHz OPTION B TEMP COMP AEC-Q200 RV-3029-C3-32.768k-OPTION-B-TA-QA Micro Crystal 1,000: $2.18 Non-Stocked NRND	Mfr. Part No. RV-3029-C3-32.768k-OPTION-B-TA-QA Mouser Part No 428-202221-MG01 NRND	Micro Crystal	Real Time Clock 32.768 kHz OPTION B TEMP COMP AEC-Q200	Datasheet	Non-Stocked	Reel $2.18	Min.: 1,000 Mult.: 1,000 : 1,000								- 40 C	+ 85 C	RV-3029-C3	SMD/SMT	AEC-Q200	Reel
Real Time Clock 32.768 kHz OPTION B TEMP COMP -40/+125C RV-3049-C3-32.768KHZ-OPTION-B-TB-QC Micro Crystal 1,000: $2.30 Non-Stocked NRND	Mfr. Part No. RV-3049-C3-32.768KHZ-OPTION-B-TB-QC Mouser Part No 428-202302-MG01 NRND	Micro Crystal	Real Time Clock 32.768 kHz OPTION B TEMP COMP -40/+125C	Datasheet	Non-Stocked	Reel $2.30	Min.: 1,000 Mult.: 1,000 : 1,000								- 40 C	+ 125 C	RV-3049-C3	SMD/SMT		Reel
Real Time Clock 32.768 kHz OPTION B TEMP COMP AEC-Q200 RV-3049-C3-32.768k-OPTION-B-TB-QA Micro Crystal 1,000: $2.38 Non-Stocked NRND	Mfr. Part No. RV-3049-C3-32.768k-OPTION-B-TB-QA Mouser Part No 428-202386-MG01 NRND	Micro Crystal	Real Time Clock 32.768 kHz OPTION B TEMP COMP AEC-Q200	Datasheet	Non-Stocked	$2.38	Min.: 1,000 Mult.: 1,000	Serial 2-Wire, I2C	YY-MM-DD-dd	HH:MM:SS (24 hr)		Backup Switching	1.3 V	5.5 V	- 40 C	+ 125 C	RV-3049-C3	SMD/SMT	AEC-Q200
Real Time Clock 32.768 kHz OPTION A TEMP COMP AEC-Q200 RV-3029-C3-32.768k-OPTION-A-TB-QA Micro Crystal 1,000: $2.80 Non-Stocked NRND	Mfr. Part No. RV-3029-C3-32.768k-OPTION-A-TB-QA Mouser Part No 428-202651-MG01 NRND	Micro Crystal	Real Time Clock 32.768 kHz OPTION A TEMP COMP AEC-Q200	Datasheet	Non-Stocked	$2.80	Min.: 1,000 Mult.: 1,000	Serial 2-Wire, I2C	YY-MM-DD-dd	HH:MM:SS (24 hr)		Backup Switching	1.3 V	5.5 V	- 40 C	+ 125 C	RV-3029-C3	SMD/SMT	AEC-Q200
Real Time Clock 32.768 kHz OPTION A TEMP COMP AEC-Q200 RV-3049-C3-32.768k-OPTION-A-TB-QA Micro Crystal 1,000: $2.80 Non-Stocked NRND	Mfr. Part No. RV-3049-C3-32.768k-OPTION-A-TB-QA Mouser Part No 428-202670-MG01 NRND	Micro Crystal	Real Time Clock 32.768 kHz OPTION A TEMP COMP AEC-Q200	Datasheet	Non-Stocked	$2.80	Min.: 1,000 Mult.: 1,000								- 40 C	+ 125 C	RV-3049-C3	SMD/SMT	AEC-Q200
Real Time Clock I C RTC with 56-Byte NV RAM DS1338U-33+T&R Analog Devices / Maxim Integrated Restricted Availability	Mfr. Part No. DS1338U-33+T&R Mouser Part No 700-DS1338U-33T&R	Analog Devices / Maxim Integrated	Real Time Clock I C RTC with 56-Byte NV RAM Mouser does not presently sell this product in your region.	Datasheet			Restricted Availability	Serial 2-Wire, I2C	YY-MM-DD-dd	HH:MM:SS:hh (12 hr, 24 hr)	uSOP-8	Backup Switching	3 V	5.5 V	- 40 C	+ 85 C	DS1338U	SMD/SMT		Reel, Cut Tape, MouseReel
Real Time Clock I C Serial Real-Time Clock DS1339C-33# Analog Devices / Maxim Integrated Restricted Availability	Mfr. Part No. DS1339C-33# Mouser Part No 700-DS1339C-33#	Analog Devices / Maxim Integrated	Real Time Clock I C Serial Real-Time Clock Mouser does not presently sell this product in your region.	Datasheet			Restricted Availability	Serial 2-Wire, I2C	YY-MM-DD-dd	HH:MM:SS:hh (12 hr, 24 hr)	SO-16	Backup Switching	2.97 V	5.5 V	- 40 C	+ 85 C	DS1339C	SMD/SMT		Tube
Real Time Clock Micro Crystal RV-3129-C3-32.768k-OPTION-A-TB-QA RV-3129-C3-32.768k-OPTION-A-TB-QA Micro Crystal 1,000: $2.60 Non-Stocked	Mfr. Part No. RV-3129-C3-32.768k-OPTION-A-TB-QA Mouser Part No 428-203618-MG1	Micro Crystal	Real Time Clock	Datasheet	Non-Stocked	$2.60	Min.: 1,000 Mult.: 1,000
Real Time Clock Micro Crystal RV-3129-C3-32.768k-OPTION-B-TB-QA RV-3129-C3-32.768k-OPTION-B-TB-QA Micro Crystal 1,000: $2.17 Non-Stocked	Mfr. Part No. RV-3129-C3-32.768k-OPTION-B-TB-QA Mouser Part No 428-203639-MG1	Micro Crystal	Real Time Clock	Datasheet	Non-Stocked	$2.17	Min.: 1,000 Mult.: 1,000
Real Time Clock Micro Crystal RV-3149-C3-32.768k-OPTION-A-TB-QA RV-3149-C3-32.768k-OPTION-A-TB-QA Micro Crystal 1,000: $2.60 Non-Stocked	Mfr. Part No. RV-3149-C3-32.768k-OPTION-A-TB-QA Mouser Part No 428-203641-MG1	Micro Crystal	Real Time Clock	Datasheet	Non-Stocked	$2.60	Min.: 1,000 Mult.: 1,000