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Real Time Clock

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Image	Part #	Mfr.	Description	Datasheet	Availability	Pricing (GBP) 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 Serial 512 (64x8) M41T81M6F STMicroelectronics 1: £2.43 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 £2.43 £1.82 £1.66 £1.49 View Reel £1.20 £1.41 £1.37 £1.36 £1.20 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 M41T83RMY6F STMicroelectronics 1: £4.10 334In Stock	Mfr. Part No. M41T83RMY6F Mouser Part No 511-M41T83RMY6F	STMicroelectronics	Real Time Clock Serial I2C bus RTC	Datasheet	334In Stock	Cut Tape £4.10 £3.17 £2.92 £2.66 Reel £2.39 View £2.55 £2.50 £2.35 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: £3.91 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 £3.91 £2.98 £2.74 £2.44 View Reel £2.18 £2.32 £2.28 £2.18 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: £3.40 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 £3.40 £2.58 £2.37 £2.10 View Reel £1.88 £2.00 £1.96 £1.88 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: £5.66 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 £5.66 £4.37 £4.05 £3.69 £3.43 Reel £3.26 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: £7.73 41In Stock 1,000Expected 16/11/2026	Mfr. Part No. M41T93SMY6F Mouser Part No 511-M41T93SMY6F	STMicroelectronics	Real Time Clock Serial SPI bus RTC	Datasheet	41In Stock 1,000Expected 16/11/2026	Cut Tape £7.73 £6.01 £5.59 £4.93 View Reel £4.64 £4.74 £4.64 £4.64 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: £6.24 165In Stock	Mfr. Part No. M41T93SQA6F Mouser Part No 511-M41T93SQA6F	STMicroelectronics	Real Time Clock Serial SPI bus RTC	Datasheet	165In Stock	Cut Tape £6.24 £5.13 £4.62 £4.26 Reel £3.55 View £3.88 £3.82 £3.46 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 I2C GP RTCC 1Kb EE 64B SRAM EUI-48 MCP79411-I/ST Microchip Technology 1: £0.882 498In Stock	Mfr. Part No. MCP79411-I/ST Mouser Part No 579-MCP79411IST	Microchip Technology	Real Time Clock I2C GP RTCC 1Kb EE 64B SRAM EUI-48 Learn More about Microchip Technology microchip mcp794xx calendars	Datasheet	498In Stock	£0.882 £0.811 £0.801	Min.: 1 Mult.: 1	I2C	YY-MM-DD-dd	HH:MM:SS:hh (12 hr, 24 hr)	TSSOP-8	Backup Switching	1.8 V	5.5 V	- 40 C	+ 85 C		SMD/SMT	Tube
Real Time Clock SPI GP RTCC 2Kb EE 64B SRAM ID MCP79520T-I/MN Microchip Technology 1: £1.12 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 £1.12 Reel £0.943	Min.: 1 Mult.: 1 : 3,300												Reel, Cut Tape
Real Time Clock SPI GP RTCC 2Kb EE 64B SRAM EUI-48 MCP79521-I/MS Microchip Technology 1: £1.11 150In Stock	Mfr. Part No. MCP79521-I/MS Mouser Part No 579-MCP79521-I/MS	Microchip Technology	Real Time Clock SPI GP RTCC 2Kb EE 64B SRAM EUI-48 Learn More about Microchip Technology microchip mcp795xx	Datasheet	150In Stock	£1.11 £1.03 £1.01	Min.: 1 Mult.: 1	SPI	YY-MM-DD-dd	HH:MM:SS:hh (12 hr, 24 hr)	MSOP-10	Backup Switching	1.8 V	3.6 V	- 40 C	+ 85 C		SMD/SMT	Tube
Real Time Clock SPI GP RTCC 2Kb EE 64B SRAM EUI-48 MCP79521T-I/MS Microchip Technology 1: £1.20 730In 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	730In Stock	Cut Tape £1.20 Reel £1.01 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 SAMAY A 595-BQ32002D R A 595-BQ32002DR A A 595-BQ32002DR BQ32002D Texas Instruments 1: £1.77 329In Stock 1,500Expected 23/11/2026	Mfr. Part No. BQ32002D Mouser Part No 595-BQ32002D	Texas Instruments	Real Time Clock SAMAY A 595-BQ32002D R A 595-BQ32002DR A A 595-BQ32002DR	Datasheet	329In Stock 1,500Expected 23/11/2026	£1.77 £1.32 £1.14 £1.05 View £0.995 £0.969 £0.943 £0.908 £0.871	Min.: 1 Mult.: 1	Serial 2-Wire, I2C	YY-MM-DD-dd	HH:MM:SS (24 hr)	SOIC-8	Backup Switching	3 V	3.6 V	- 40 C	+ 85 C	BQ32002	SMD/SMT	Tube
Real Time Clock 3WIRE REAL TIME CLCK S-35192A-I8T1U ABLIC 1: £1.37 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 £1.37 £1.00 £0.917 £0.811 View Reel £0.674 £0.766 £0.739 £0.735 £0.689 £0.674	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: £1.39 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 £1.39 £1.02 £0.934 £0.826 View Reel £0.682 £0.78 £0.739 £0.736 £0.711 £0.682	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: £0.943 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 £0.943 £0.678 £0.581 £0.54 View Reel £0.442 £0.529 £0.523 £0.443 £0.442 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: £0.978 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 £0.978 £0.705 £0.615 £0.56 View Reel £0.443 £0.54 £0.529 £0.519 £0.443 MouseReel Available	Min.: 1 Mult.: 1 : 3,000												Reel, Cut Tape, MouseReel
Real Time Clock 2-Wire Real-time Clock module PT7C43390LEX Diodes Incorporated 1: £1.34 324In Stock	Mfr. Part No. PT7C43390LEX Mouser Part No 729-PT7C43390LEX	Diodes Incorporated	Real Time Clock 2-Wire Real-time Clock module Learn More about Diodes Incorporated diodes timing solutions	Datasheet	324In Stock	Cut Tape £1.34 £0.986 £0.89 £0.796 View Reel £0.667 £0.743 £0.715 £0.711 £0.667 MouseReel Available	Min.: 1 Mult.: 1 : 2,500												Reel, Cut Tape, MouseReel
Real Time Clock Real-time Clock IC PT7C4372ALEX Diodes Incorporated 1: £0.863 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 £0.863 £0.621 £0.523 £0.452 View Reel £0.386 £0.437 £0.427 £0.416 £0.386 MouseReel Available	Min.: 1 Mult.: 1 : 2,500												Reel, Cut Tape, MouseReel
Real Time Clock RTCs 3030 QFN-16 SPI HH:MM:SS:hh YY-MM-DD-dd AB0815-T3 ABRACON 1: £2.63 82In Stock 3,000Expected 15/03/2027	Mfr. Part No. AB0815-T3 Mouser Part No 815-AB0815-T3	ABRACON	Real Time Clock RTCs 3030 QFN-16 SPI HH:MM:SS:hh YY-MM-DD-dd Learn More about ABRACON ab08xx	Datasheet	82In Stock 3,000Expected 15/03/2027	Cut Tape £2.63 £1.97 £1.81 £1.60 View Reel £1.27 £1.42 £1.37 £1.32 £1.27 MouseReel Available	Min.: 1 Mult.: 1 : 3,000	SPI	YY-MM-DD-dd	HH:MM:SS:hh (12 hr, 24 hr)	QFN-16	Backup Switching	1.7 V	3.6 V	- 40 C	+ 85 C	AB08x5	SMD/SMT	Reel, Cut Tape, MouseReel
Real Time Clock 32.768 KHZ AB1805-T3 ABRACON 1: £2.63 14In Stock 24,000On Order	Mfr. Part No. AB1805-T3 Mouser Part No 815-AB1805-T3	ABRACON	Real Time Clock 32.768 KHZ Learn More about ABRACON ab08xx	Datasheet	14In Stock 24,000On Order On Order Ship Dates Mfr. No: AB1805-T3 Stock: 14 Can Dispatch Immediately On Order: 3,000 Expected 03/12/2026 9,000 Expected 07/12/2026 12,000 Expected 02/08/2027 Factory Lead Time: 28 Weeks	Cut Tape £2.63 £1.97 £1.75 £1.57 View Reel £1.29 £1.44 £1.40 £1.33 £1.29 MouseReel Available	Min.: 1 Mult.: 1 : 3,000	I2C	YY-MM-DD-dd	HH:MM:SS:hh (12 hr, 24 hr)	QFN-16	Backup Switching	1.7 V	3.6 V	- 40 C	+ 85 C	AB18x5	SMD/SMT	Reel, Cut Tape, MouseReel
Real Time Clock 32.768 KHZ AB1815-T3 ABRACON 1: £2.63 82In Stock 3,000Expected 11/12/2026	Mfr. Part No. AB1815-T3 Mouser Part No 815-AB1815-T3	ABRACON	Real Time Clock 32.768 KHZ Learn More about ABRACON ab08xx	Datasheet	82In Stock 3,000Expected 11/12/2026	Cut Tape £2.63 £1.97 £1.81 £1.57 View Reel £1.20 £1.41 £1.37 £1.32 £1.20 MouseReel Available	Min.: 1 Mult.: 1 : 3,000	SPI	YY-MM-DD-dd	HH:MM:SS:hh (12 hr, 24 hr)	QFN-16	Backup Switching	1.7 V	3.6 V	- 40 C	+ 85 C	AB18x5	SMD/SMT	Reel, Cut Tape, MouseReel
Real Time Clock Timer Control Periph eral A 926-DP8570AV A 926-DP8570AVX/NOPB DP8570AV/NOPB Texas Instruments 1: £39.86 7In Stock	Mfr. Part No. DP8570AV/NOPB Mouser Part No 926-DP8570AV/NOPB	Texas Instruments	Real Time Clock Timer Control Periph eral A 926-DP8570AV A 926-DP8570AVX/NOPB	Datasheet	7In Stock	£39.86 £32.65 £30.50 £29.03 View £28.30 Quote	Min.: 1 Mult.: 1	Parallel	YY-MM-DD-dd	HH:MM:SS:hh (12 hr, 24 hr)	PLCC-28	Backup Switching	4.5 V	5.5 V	- 40 C	+ 85 C	DP8570A	SMD/SMT	Tube
Real Time Clock LDAL TIME CLK & TEMP COMPENSATED CR ISL12020MIRZ-T7A Renesas / Intersil 1: £8.76 160In Stock 250Expected 30/10/2026	Mfr. Part No. ISL12020MIRZ-T7A Mouser Part No 968-ISL12020MIRZ-T7A	Renesas / Intersil	Real Time Clock LDAL TIME CLK & TEMP COMPENSATED CR	Datasheet	160In Stock 250Expected 30/10/2026	Cut Tape £8.76 £6.84 £6.36 £5.83 Reel £5.55 View £5.30 £5.19 Quote MouseReel Available	Min.: 1 Mult.: 1 : 250	I2C	YY-MM-DD-dd	HH:MM:SS (24 hr)	DFN-20	Backup Switching	2.7 V	5.5 V	- 40 C	+ 85 C	ISL12020	SMD/SMT	Reel, Cut Tape, MouseReel
Real Time Clock REAL TIME CLK/CLNDR W/TEMP COMP 8 L ISL12022IBZ-T7A Renesas / Intersil 1: £4.00 47In Stock 2,500On Order	Mfr. Part No. ISL12022IBZ-T7A Mouser Part No 968-ISL12022IBZ-T7A	Renesas / Intersil	Real Time Clock REAL TIME CLK/CLNDR W/TEMP COMP 8 L	Datasheet	47In Stock 2,500On Order On Order Ship Dates Mfr. No: ISL12022IBZ-T7A Stock: 47 Can Dispatch Immediately On Order: 1,000 Expected 26/07/2027 1,500 Expected 30/07/2027 Factory Lead Time: 36 Weeks	Cut Tape £4.00 £3.04 £2.81 £2.55 Reel £2.42 View £2.32 £2.28 £2.23 MouseReel Available	Min.: 1 Mult.: 1 : 250	Serial 2-Wire, I2C	YY-MM-DD-dd	HH:MM:SS (24 hr)	SOIC-8	Backup Switching	2.7 V	5.5 V	- 40 C	+ 85 C	ISL12022	SMD/SMT	Reel, Cut Tape, MouseReel
Real Time Clock REAL TIME CLK W/ ALARM DS1337 COMP ISL12057IBZ-T Renesas / Intersil 1: £2.14 101In Stock 17,500On Order	Mfr. Part No. ISL12057IBZ-T Mouser Part No 968-ISL12057IBZ-T	Renesas / Intersil	Real Time Clock REAL TIME CLK W/ ALARM DS1337 COMP	Datasheet	101In Stock 17,500On Order On Order Ship Dates Mfr. No: ISL12057IBZ-T Stock: 101 Can Dispatch Immediately On Order: 7,500 Expected 16/04/2027 10,000 Expected 14/06/2027 Factory Lead Time: 36 Weeks	Cut Tape £2.14 £1.60 £1.47 £1.32 Reel £1.15 View £1.25 £1.20 £1.18 £1.09 MouseReel Available	Min.: 1 Mult.: 1 : 2,500	I2C	YY-MM-DD-dd	HH:MM:SS (24 hr)	SOIC-8	No Backup Switching	1.8 V	3.6 V	- 40 C	+ 85 C	ISL12057	SMD/SMT	Reel, Cut Tape, MouseReel