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Reel Real Time Clock

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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	Packaging
Real Time Clock I C, 32-Bit Binary Counter Watchdog RTC with Trickle Charger and Reset Input/Output DS1374C-33#T&R Analog Devices / Maxim Integrated 1: $11.14 894In Stock	Mfr. Part No. DS1374C-33#T&R Mouser Part No 700-DS1374C-33#T&R-	Analog Devices / Maxim Integrated	Real Time Clock I C, 32-Bit Binary Counter Watchdog RTC with Trickle Charger and Reset Input/Output	Datasheet	894In Stock	Cut Tape $11.14 $8.68 $8.07 $7.39 View $7.08 $6.99 $6.71 Quote MouseReel Available	Min.: 1 Mult.: 1	Serial 2-Wire, I2C	Binary	Binary	SO-16	Backup Switching	2.97 V	5.5 V	- 40 C	+ 85 C	DS1374C	SMD/SMT	Reel, Cut Tape, MouseReel
Real Time Clock Low-Voltage SPI/3-Wire RTCs with Trickle DS1391U-33+T&R Analog Devices / Maxim Integrated 1: $6.48 2,105In Stock	Mfr. Part No. DS1391U-33+T&R Mouser Part No 700-DS1391U-33T&R	Analog Devices / Maxim Integrated	Real Time Clock Low-Voltage SPI/3-Wire RTCs with Trickle	Datasheet	2,105In Stock	Cut Tape $6.48 $4.96 $4.59 $4.17 View $3.97 $3.90 $3.88 $3.70 Quote MouseReel Available	Min.: 1 Mult.: 1	SPI	YY-MM-DD-dd	HH:MM:SS:hh (12 hr, 24 hr)	uSOP-10	Backup Switching	2.97 V	5.5 V	- 40 C	+ 85 C	DS1391U	SMD/SMT	Reel, Cut Tape, MouseReel
Real Time Clock Extremely Accurate SPI Bus RTC with Inte DS3234S#T&R Analog Devices / Maxim Integrated 1: $15.17 888In Stock	Mfr. Part No. DS3234S#T&R Mouser Part No 700-DS3234S#T&R-	Analog Devices / Maxim Integrated	Real Time Clock Extremely Accurate SPI Bus RTC with Inte	Datasheet	888In Stock	Cut Tape $15.17 $11.88 $11.05 $10.15 View $10.06 $10.04 $8.53 MouseReel Available	Min.: 1 Mult.: 1	SPI	YY-MM-DD-dd	HH:MM:SS:hh (12 hr, 24 hr)	SO-20	Backup Switching	2 V	5.5 V	0 C	+ 70 C	DS3234S	SMD/SMT	Reel, Cut Tape, MouseReel
Real Time Clock RTC with power management MAX31341CETB+T Analog Devices / Maxim Integrated 1: $2.99 6,191In Stock	Mfr. Part No. MAX31341CETB+T Mouser Part No 700-MAX31341CETB+T	Analog Devices / Maxim Integrated	Real Time Clock RTC with power management	Datasheet	6,191In Stock	Cut Tape $2.99 $2.24 $2.04 $1.83 Reel $1.57 View $1.73 $1.67 $1.64 $1.53 MouseReel Available	Min.: 1 Mult.: 1 : 2,500	Serial 2-Wire, I2C	YY-MM-DD-dd	HH:MM:SS (24 hr)	TDFN-10	Backup Switching	1.6 V	3.6 V	- 40 C	+ 85 C		SMD/SMT	Reel, Cut Tape, MouseReel
Real Time Clock 32.768 kHz +/-20 PPM I2C -40/+85C RV-4162-C7-32.768kHz-20PPM-TA-QC Micro Crystal 1: $2.61 207In Stock 33,000Expected 13/11/2026	Mfr. Part No. RV-4162-C7-32.768kHz-20PPM-TA-QC Mouser Part No 428-200007-MG01	Micro Crystal	Real Time Clock 32.768 kHz +/-20 PPM I2C -40/+85C Learn More about Micro Crystal real time clock modules	Datasheet	207In Stock 33,000Expected 13/11/2026	Cut Tape $2.61 $1.94 $1.77 $1.59 Reel $1.39 View $1.50 $1.46 $1.36 $1.35 MouseReel Available	Min.: 1 Mult.: 1 : 1,000	Serial 2-Wire, I2C	YY-MM-DD-dd	HH:MM:SS:hh (12 hr, 24 hr)		No Backup Switching	1 V	4.4 V	- 40 C	+ 85 C	RV-4162-C7	SMD/SMT	Reel, Cut Tape, MouseReel
Real Time Clock 32.768kHz SPI Time Acc. 6ppm AEC RV-3149-C3 32.768kHz OPTION A TB QA Micro Crystal 1: $4.66 52In Stock 1,000Expected 18/06/2027	Mfr. Part No. RV-3149-C3 32.768kHz OPTION A TB QA Mouser Part No 428-203641-MG01	Micro Crystal	Real Time Clock 32.768kHz SPI Time Acc. 6ppm AEC Learn More about Micro Crystal real time clock modules	Datasheet	52In Stock 1,000Expected 18/06/2027	Cut Tape $4.66 $3.54 $3.26 $2.95 View Reel $2.69 $2.80 $2.77 $2.69 MouseReel Available	Min.: 1 Mult.: 1 : 1,000	SPI	YY-MM-DD-dd	HH:MM:SS (24 hr)		Backup Switching	1.3 V	5.5 V	- 40 C	+ 125 C	RV-3149	SMD/SMT	Reel, Cut Tape, MouseReel
Real Time Clock 32.768kHz I2C 2.5ppm 3.2x1.5x0.8mm Temperature Sensor & Real Time Clock RV-3032-C7 32.768kHz-2.5PPM-TA-QC Micro Crystal 1: $3.31 171In Stock 35,000Expected 18/12/2026	Mfr. Part No. RV-3032-C7 32.768kHz-2.5PPM-TA-QC Mouser Part No 428-203803-MG01	Micro Crystal	Real Time Clock 32.768kHz I2C 2.5ppm 3.2x1.5x0.8mm Temperature Sensor & Real Time Clock Learn More about Micro Crystal rv 3032 c7 rtc module	Datasheet	171In Stock 35,000Expected 18/12/2026	Cut Tape $3.31 $2.48 $2.28 $2.05 Reel $1.87 View $1.94 $1.90 $1.84 $1.67 MouseReel Available	Min.: 1 Mult.: 1 : 1,000	Serial 2-Wire, I2C	YY-MM-DD-dd	HH:MM:SS:hh (12 hr, 24 hr)		Backup Switching	1.3 V	5.5 V	- 40 C	+ 105 C	RV-3032-C7	SMD/SMT	Reel, Cut Tape, MouseReel
Real Time Clock 32.768kHz SPI 20ppm 2.0x1.2x0.7 AEC-Q200 RV-8063-C8 32.768kHz-20PPM-TA-QA Micro Crystal 1: $1.58 26In Stock 1,000Expected 05/02/2027	Mfr. Part No. RV-8063-C8 32.768kHz-20PPM-TA-QA Mouser Part No 428-204290-MC01	Micro Crystal	Real Time Clock 32.768kHz SPI 20ppm 2.0x1.2x0.7 AEC-Q200 Learn More about Micro Crystal rv 8063 c8 rtc modules	Datasheet	26In Stock 1,000Expected 05/02/2027	Cut Tape $1.58 $1.16 $1.05 $0.924 Reel $0.833 View $0.868 $0.845 $0.793 $0.778 MouseReel Available	Min.: 1 Mult.: 1 : 1,000	Serial 3-Wire, SPI	YY-MM-DD-dd	HH:MM:SS:hh (12 hr, 24 hr)	SON-8		900 mV	5.5 V	- 40 C	+ 85 C	RV-8063-C8	SMD/SMT	Reel, Cut Tape, MouseReel
Real Time Clock 128 NVRAM Serial RTC 3.0 to 3.6 Vcc M41ST87WSS6F STMicroelectronics 1: $7.82 32In Stock 1,350On Order	Mfr. Part No. M41ST87WSS6F Mouser Part No 511-M41ST87WSS6F	STMicroelectronics	Real Time Clock 128 NVRAM Serial RTC 3.0 to 3.6 Vcc	Datasheet	32In Stock 1,350On Order	Cut Tape $7.82 $6.05 $5.60 $5.07 View Reel $4.58 $4.76 $4.75 $4.58 MouseReel Available	Min.: 1 Mult.: 1 : 1,350	Serial 2-Wire, I2C	YY-MM-DD-dd	HH:MM:SS:hh (12 hr, 24 hr)	SSOP-20	Backup Switching	2.7 V	3.6 V	- 40 C	+ 85 C	M41ST87W	SMD/SMT	Reel, Cut Tape, MouseReel
Real Time Clock Serial 512 (64x8) M41T81M6F STMicroelectronics 1: $3.23 232In Stock 5,000Expected 23/08/2027	Mfr. Part No. M41T81M6F Mouser Part No 511-M41T81M6F	STMicroelectronics	Real Time Clock Serial 512 (64x8)	Datasheet	232In Stock 5,000Expected 23/08/2027	Cut Tape $3.23 $2.42 $2.21 $1.99 View Reel $1.60 $1.88 $1.82 $1.81 $1.60 MouseReel Available	Min.: 1 Mult.: 1 : 2,500	I2C	YY-MM-DD-dd	HH:MM:SS:hh (12 hr, 24 hr)	SOIC-8	Backup Switching	2 V	5.5 V	- 40 C	+ 85 C	M41T81	SMD/SMT	Reel, Cut Tape, MouseReel
Real Time Clock Serial I2C bus RTC M41T82ZM6F STMicroelectronics 1: $3.55 77In Stock 12,500Expected 25/10/2027	Mfr. Part No. M41T82ZM6F Mouser Part No 511-M41T82ZM6F	STMicroelectronics	Real Time Clock Serial I2C bus RTC	Datasheet	77In Stock 12,500Expected 25/10/2027	Cut Tape $3.55 $2.67 $2.45 $2.20 Reel $1.94 View $2.08 $2.03 $1.97 $1.91 MouseReel Available	Min.: 1 Mult.: 1 : 2,500	Serial	YY-MM-DD-dd	HH:MM:SS:hh (12 hr, 24 hr)	SOIC-8	Backup Switching	2.38 V	5.5 V	- 40 C	+ 85 C	M41T82	SMD/SMT	Reel, Cut Tape, MouseReel
Real Time Clock Serial I2C bus RTC M41T83RMY6F STMicroelectronics 1: $5.46 334In Stock	Mfr. Part No. M41T83RMY6F Mouser Part No 511-M41T83RMY6F	STMicroelectronics	Real Time Clock Serial I2C bus RTC	Datasheet	334In Stock	Cut Tape $5.46 $4.22 $3.90 $3.55 Reel $3.19 View $3.39 $3.32 $3.13 Quote MouseReel Available	Min.: 1 Mult.: 1 : 1,000	Serial 2-Wire, I2C	YY-MM-DD-dd	HH:MM:SS:hh (12 hr, 24 hr)	SOX-18	Backup Switching	2.7 V	5.5 V	- 40 C	+ 85 C	M41T83	SMD/SMT	Reel, Cut Tape, MouseReel
Real Time Clock Serial I2C bus RTC M41T83SMY6F STMicroelectronics 1: $5.21 63In Stock 1,000Expected 23/11/2026	Mfr. Part No. M41T83SMY6F Mouser Part No 511-M41T83SMY6F	STMicroelectronics	Real Time Clock Serial I2C bus RTC	Datasheet	63In Stock 1,000Expected 23/11/2026	Cut Tape $5.21 $3.96 $3.65 $3.25 View Reel $2.91 $3.09 $3.04 $2.91 MouseReel Available	Min.: 1 Mult.: 1 : 1,000	Serial 2-Wire, I2C	YY-MM-DD-dd	HH:MM:SS:hh (12 hr, 24 hr)	SOX-18	Backup Switching	3 V	5.5 V	- 40 C	+ 85 C	M41T83	SMD/SMT	Reel, Cut Tape, MouseReel
Real Time Clock Serial I2C bus RTC M41T83SQA6F STMicroelectronics 1: $4.52 60In Stock 5,000Expected 29/03/2027	Mfr. Part No. M41T83SQA6F Mouser Part No 511-M41T83SQA6F	STMicroelectronics	Real Time Clock Serial I2C bus RTC	Datasheet	60In Stock 5,000Expected 29/03/2027	Cut Tape $4.52 $3.43 $3.16 $2.80 View Reel $2.50 $2.66 $2.60 $2.50 MouseReel Available	Min.: 1 Mult.: 1 : 1,000	Serial 2-Wire, I2C	YY-MM-DD-dd	HH:MM:SS:hh (12 hr, 24 hr)	QFN-16	Backup Switching	3 V	5.5 V	- 40 C	+ 85 C	M41T83	SMD/SMT	Reel, Cut Tape, MouseReel
Real Time Clock Serial I2C bus RTC M41T83ZMY6F STMicroelectronics 1: $7.54 159In Stock 1,000Expected 10/05/2027	Mfr. Part No. M41T83ZMY6F Mouser Part No 511-M41T83ZMY6F	STMicroelectronics	Real Time Clock Serial I2C bus RTC	Datasheet	159In Stock 1,000Expected 10/05/2027	Cut Tape $7.54 $5.82 $5.39 $4.92 $4.57 Reel $4.34 MouseReel Available	Min.: 1 Mult.: 1 : 1,000	Serial	YY-MM-DD-dd	HH:MM:SS:hh (12 hr, 24 hr)		Backup Switching	2.38 V	5.5 V	- 40 C	+ 85 C	M41T83	SMD/SMT	Reel, Cut Tape, MouseReel
Real Time Clock Serial SPI bus RTC M41T93SMY6F STMicroelectronics 1: $10.29 21In Stock 1,000Expected 16/11/2026	Mfr. Part No. M41T93SMY6F Mouser Part No 511-M41T93SMY6F	STMicroelectronics	Real Time Clock Serial SPI bus RTC	Datasheet	21In Stock 1,000Expected 16/11/2026	Cut Tape $10.29 $8.01 $7.44 $6.57 View Reel $6.17 $6.31 $6.18 $6.17 MouseReel Available	Min.: 1 Mult.: 1 : 1,000	SPI	YY-MM-DD-dd	HH:MM:SS:hh (12 hr, 24 hr)	SOX-18	Backup Switching	3 V	5.5 V	- 40 C	+ 85 C	M41T93	SMD/SMT	Reel, Cut Tape, MouseReel
Real Time Clock Serial SPI bus RTC M41T93SQA6F STMicroelectronics 1: $8.31 165In Stock	Mfr. Part No. M41T93SQA6F Mouser Part No 511-M41T93SQA6F	STMicroelectronics	Real Time Clock Serial SPI bus RTC	Datasheet	165In Stock	Cut Tape $8.31 $6.84 $6.15 $5.67 Reel $4.73 View $5.18 $5.08 $4.60 Quote MouseReel Available	Min.: 1 Mult.: 1 : 1,000	SPI	YY-MM-DD-dd	HH:MM:SS:hh (12 hr, 24 hr)	QFN-16	Backup Switching	3 V	5.5 V	- 40 C	+ 85 C	M41T93	SMD/SMT	Reel, Cut Tape, MouseReel
Real Time Clock 256K (32Kx8) 100ns M48T37V-10MH1F STMicroelectronics 1: $25.10 56In Stock	Mfr. Part No. M48T37V-10MH1F Mouser Part No 511-M48T37V-10MH1F	STMicroelectronics	Real Time Clock 256K (32Kx8) 100ns	Datasheet	56In Stock	Cut Tape $25.10 $20.06 $18.81 $17.43 View Reel $16.37 $16.77 $16.37 $16.37 MouseReel Available	Min.: 1 Mult.: 1 : 936	Parallel	YY-MM-DD-dd	HH:MM:SS (24 hr)	SOIC-44	Backup Switching	3 V	3.6 V	0 C	+ 70 C	M48T37V	SMD/SMT	Reel, Cut Tape, MouseReel
Real Time Clock SPI GP RTCC 2Kb EE 64B SRAM ID MCP79520T-I/MN Microchip Technology 1: $1.49 2,905In Stock	Mfr. Part No. MCP79520T-I/MN Mouser Part No 579-MCP79520T-I/MN	Microchip Technology	Real Time Clock SPI GP RTCC 2Kb EE 64B SRAM ID Learn More about Microchip Technology microchip mcp795xx	Datasheet	2,905In Stock	Cut Tape $1.49 Reel $1.25	Min.: 1 Mult.: 1 : 3,300												Reel, Cut Tape
Real Time Clock SPI GP RTCC 2Kb EE 64B SRAM EUI-48 MCP79521T-I/MS Microchip Technology 1: $1.60 716In Stock	Mfr. Part No. MCP79521T-I/MS Mouser Part No 579-MCP79521T-I/MS	Microchip Technology	Real Time Clock SPI GP RTCC 2Kb EE 64B SRAM EUI-48 Learn More about Microchip Technology microchip mcp795xx	Datasheet	716In Stock	Cut Tape $1.60 Reel $1.34 MouseReel Available	Min.: 1 Mult.: 1 : 2,500	Serial, I2C, SPI	YY-MM-DD-dd	HH:MM:SS:hh (12 hr, 24 hr)		Backup Switching	1.8 V	3.6 V	- 40 C	+ 85 C		SMD/SMT	Reel, Cut Tape, MouseReel
Real Time Clock 3WIRE REAL TIME CLCK S-35192A-I8T1U ABLIC 1: $1.83 4,796In Stock	Mfr. Part No. S-35192A-I8T1U Mouser Part No 628-S-35192A-I8T1U	ABLIC	Real Time Clock 3WIRE REAL TIME CLCK	Datasheet	4,796In Stock	Cut Tape $1.83 $1.34 $1.22 $1.08 View Reel $0.898 $1.02 $0.984 $0.979 $0.918 $0.898	Min.: 1 Mult.: 1 : 5,000				SNT-A-8						S-35192		Reel, Cut Tape
Real Time Clock Real Time Clock S-35390A-J8T1U ABLIC 1: $1.85 510In Stock	Mfr. Part No. S-35390A-J8T1U Mouser Part No 628-S-35390A-J8T1U	ABLIC	Real Time Clock Real Time Clock Learn More about ABLIC seiko s 35390a clocks	Datasheet	510In Stock	Cut Tape $1.85 $1.36 $1.24 $1.10 View Reel $0.908 $1.04 $0.985 $0.98 $0.946 $0.908	Min.: 1 Mult.: 1 : 4,000	Serial 2-Wire, I2C	YY-MM-DD-dd	HH:MM:SS:hh (12 hr, 24 hr)	SOP-8	No Backup Switching	1.3 V	5.5 V	- 40 C	+ 85 C	S-35390	SMD/SMT	Reel, Cut Tape
Real Time Clock 1.8V-5.5V Real Time Clock 12C bus PT7C4337UEX Diodes Incorporated 1: $1.26 1,732In Stock	Mfr. Part No. PT7C4337UEX Mouser Part No 729-PT7C4337UEX	Diodes Incorporated	Real Time Clock 1.8V-5.5V Real Time Clock 12C bus Learn More about Diodes Incorporated diodes timing solutions	Datasheet	1,732In Stock	Cut Tape $1.26 $0.903 $0.773 $0.719 View Reel $0.588 $0.705 $0.697 $0.589 $0.588 MouseReel Available	Min.: 1 Mult.: 1 : 2,500												Reel, Cut Tape, MouseReel
Real Time Clock 1.8V-5.5V Real Time Clock 12C bus PT7C4337ZEEX Diodes Incorporated 1: $1.30 158In Stock	Mfr. Part No. PT7C4337ZEEX Mouser Part No 729-PT7C4337ZEEX	Diodes Incorporated	Real Time Clock 1.8V-5.5V Real Time Clock 12C bus Learn More about Diodes Incorporated diodes timing solutions	Datasheet	158In Stock	Cut Tape $1.30 $0.938 $0.82 $0.745 View Reel $0.591 $0.72 $0.705 $0.692 $0.591 MouseReel Available	Min.: 1 Mult.: 1 : 3,000												Reel, Cut Tape, MouseReel
Real Time Clock Real-time Clock IC PT7C4372ALEX Diodes Incorporated 1: $1.15 25In Stock 2,500Expected 02/12/2026	Mfr. Part No. PT7C4372ALEX Mouser Part No 729-PT7C4372ALEX	Diodes Incorporated	Real Time Clock Real-time Clock IC Learn More about Diodes Incorporated diodes timing solutions	Datasheet	25In Stock 2,500Expected 02/12/2026	Cut Tape $1.15 $0.827 $0.697 $0.602 View Reel $0.514 $0.581 $0.569 $0.555 $0.514 MouseReel Available	Min.: 1 Mult.: 1 : 2,500												Reel, Cut Tape, MouseReel