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STMicroelectronics Real Time Clock

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Image	Part #	Mfr.	Description	Datasheet	Availability	Pricing (EUR) Filter the results in the table by unit price based on your quantity.	Qty.	RTC Bus Interface	Date Format	Time Format	Memory Size	Package/Case	Battery Backup Switching	Supply Voltage - Min	Supply Voltage - Max	Minimum Operating Temperature	Maximum Operating Temperature	Series	Mounting Style	Packaging
Real Time Clock 16K (2Kx8) 70ns M48T12-70PC1 STMicroelectronics 1: € 35,48 864In Stock	Mfr. Part No. M48T12-70PC1 Mouser Part No 511-M48T1270PC1	STMicroelectronics	Real Time Clock 16K (2Kx8) 70ns	Datasheet	864In Stock	€ 35,48 € 26,10 € 25,05 € 24,07 € 23,19	Min.: 1 Mult.: 1	Parallel	YY-MM-DD-dd	HH:MM:SS (24 hr)	8 kB	PCDIP-24	Integrated Battery	4.5 V	5.5 V	0 C	+ 70 C	M48T12	Through Hole	Tube
Real Time Clock 64K (8Kx8) 150ns M48T18-150PC1 STMicroelectronics 1: € 43,40 408In Stock	Mfr. Part No. M48T18-150PC1 Mouser Part No 511-M48T1815PC1	STMicroelectronics	Real Time Clock 64K (8Kx8) 150ns	Datasheet	408In Stock	€ 43,40 € 32,78 € 31,35 € 30,81 View € 30,79 Quote	Min.: 1 Mult.: 1	Parallel	YY-MM-DD-dd	HH:MM:SS (24 hr)	8 kB	PCDIP-28	Integrated Battery	4.5 V	5.5 V	0 C	+ 70 C	M48T18	Through Hole	Tube
Real Time Clock 64K (8Kx8) 100ns M48T08Y-10MH1F STMicroelectronics 1: € 35,37 967In Stock	Mfr. Part No. M48T08Y-10MH1F Mouser Part No 511-M48T08Y-10MH1F	STMicroelectronics	Real Time Clock 64K (8Kx8) 100ns	Datasheet	967In Stock	Cut Tape € 35,37 € 28,64 € 26,95 € 25,83 View Reel € 23,33 € 24,22 € 23,35 € 23,33 Quote MouseReel Available	Min.: 1 Mult.: 1 : 936	Parallel	YY-MM-DD-dd	HH:MM:SS (24 hr)	64 kB	SOX-28	Backup Switching	4.5 V	5.5 V	0 C	+ 70 C	M48T08Y	SMD/SMT	Reel, Cut Tape, MouseReel
Real Time Clock 64K (8Kx8) 100ns M48T08-100PC1 STMicroelectronics 1: € 31,27 1 484In Stock	Mfr. Part No. M48T08-100PC1 Mouser Part No 511-M48T0810PC1	STMicroelectronics	Real Time Clock 64K (8Kx8) 100ns	Datasheet	1 484In Stock	€ 31,27 € 23,46 € 22,38 € 21,59 View € 20,42 € 20,41	Min.: 1 Mult.: 1	Parallel	YY-MM-DD-dd	HH:MM:SS (24 hr)	8 kB	PCDIP-28	Integrated Battery	4.75 V	5.5 V	0 C	+ 70 C	M48T08	Through Hole	Tube
Real Time Clock Serial I2C bus RTC M41T83ZMY6F STMicroelectronics 1: € 6,36 765In Stock	Mfr. Part No. M41T83ZMY6F Mouser Part No 511-M41T83ZMY6F	STMicroelectronics	Real Time Clock Serial I2C bus RTC	Datasheet	765In Stock	Cut Tape € 6,36 € 4,92 € 4,56 € 4,15 Reel € 3,58 View € 3,84 € 3,48 MouseReel Available	Min.: 1 Mult.: 1 : 1 000	Serial	YY-MM-DD-dd	HH:MM:SS:hh (12 hr, 24 hr)	32 B		Backup Switching	2.38 V	5.5 V	- 40 C	+ 85 C	M41T83	SMD/SMT	Reel, Cut Tape, MouseReel
Real Time Clock Low-Pwr serial RTC W/ battry switchover M41T01M6F STMicroelectronics 1: € 3,30 2 355In Stock	Mfr. Part No. M41T01M6F Mouser Part No 511-M41T01M6F	STMicroelectronics	Real Time Clock Low-Pwr serial RTC W/ battry switchover Learn More about STMicroelectronics stm standard products	Datasheet	2 355In Stock	Cut Tape € 3,30 € 2,54 € 2,27 € 2,06 View Reel € 1,68 € 1,96 € 1,93 € 1,86 € 1,68 MouseReel Available	Min.: 1 Mult.: 1 : 2 500	Serial 2-Wire, I2C	YY-MM-DD-dd	HH:MM:SS (24 hr)	8 B	SOIC-8	Backup Switching	2 V	5.5 V	- 40 C	+ 85 C	M41T01	SMD/SMT	Reel, Cut Tape, MouseReel
Real Time Clock Serial 160 (20x8) M41T80M6F STMicroelectronics 1: € 4,90 2 400In Stock	Mfr. Part No. M41T80M6F Mouser Part No 511-M41T80M6F	STMicroelectronics	Real Time Clock Serial 160 (20x8)	Datasheet	2 400In Stock	Cut Tape € 4,90 € 3,79 € 3,51 € 3,17 View Reel € 2,86 € 3,03 € 2,93 € 2,89 € 2,86 Quote MouseReel Available	Min.: 1 Mult.: 1 : 2 500	Serial 2-Wire, I2C	YY-MM-DD-dd	HH:MM:SS:hh (12 hr, 24 hr)	20 B	SOIC-8	No Backup Switching	2 V	5.5 V	- 40 C	+ 85 C	M41T80	SMD/SMT	Reel, Cut Tape, MouseReel
Real Time Clock Serial SPI bus RTC M41T93ZQA6F STMicroelectronics 1: € 6,62 1 044In Stock	Mfr. Part No. M41T93ZQA6F Mouser Part No 511-M41T93ZQA6F	STMicroelectronics	Real Time Clock Serial SPI bus RTC	Datasheet	1 044In Stock	Cut Tape € 6,62 € 5,27 € 4,73 € 4,32 Reel € 3,76 View € 4,08 € 4,07 € 3,73 Quote MouseReel Available	Min.: 1 Mult.: 1 : 1 000	Serial	YY-MM-DD-dd	HH:MM:SS:hh (12 hr, 24 hr)	32 B		Backup Switching	2.38 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: € 6,97 166In Stock	Mfr. Part No. M41T93SQA6F Mouser Part No 511-M41T93SQA6F	STMicroelectronics	Real Time Clock Serial SPI bus RTC	Datasheet	166In Stock	Cut Tape € 6,97 € 5,38 € 4,98 € 4,54 Reel € 4,07 View € 4,21 € 4,05 Quote MouseReel Available	Min.: 1 Mult.: 1 : 1 000	SPI	YY-MM-DD-dd	HH:MM:SS:hh (12 hr, 24 hr)	32 B	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: € 19,82 360In Stock	Mfr. Part No. M48T37V-10MH1F Mouser Part No 511-M48T37V-10MH1F	STMicroelectronics	Real Time Clock 256K (32Kx8) 100ns	Datasheet	360In Stock	Cut Tape € 19,82 € 17,30 € 15,47 € 14,57 View Reel € 13,19 € 14,21 € 13,66 € 13,19 Quote MouseReel Available	Min.: 1 Mult.: 1 : 936	Parallel	YY-MM-DD-dd	HH:MM:SS (24 hr)	256 kB	SOIC-44	Backup Switching	3 V	3.6 V	0 C	+ 70 C	M48T37V	SMD/SMT	Reel, Cut Tape, MouseReel
Real Time Clock Serial I2C bus RTC M41T82ZM6F STMicroelectronics 1: € 3,05 7 928In Stock	Mfr. Part No. M41T82ZM6F Mouser Part No 511-M41T82ZM6F	STMicroelectronics	Real Time Clock Serial I2C bus RTC	Datasheet	7 928In Stock	Cut Tape € 3,05 € 2,30 € 2,11 € 1,89 Reel € 1,67 View € 1,79 € 1,75 € 1,69 € 1,64 MouseReel Available	Min.: 1 Mult.: 1 : 2 500	Serial	YY-MM-DD-dd	HH:MM:SS:hh (12 hr, 24 hr)	32 B	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 SPI bus RTC M41T93RMY6F STMicroelectronics 1: € 9,18 2 229In Stock 4 000Expected 13/10/2026	Mfr. Part No. M41T93RMY6F Mouser Part No 511-M41T93RMY6F	STMicroelectronics	Real Time Clock Serial SPI bus RTC	Datasheet	2 229In Stock 4 000Expected 13/10/2026	Cut Tape € 9,18 € 7,16 € 6,67 € 6,11 Reel € 5,55 View € 5,85 € 5,79 € 5,40 Quote MouseReel Available	Min.: 1 Mult.: 1 : 1 000	SPI	YY-MM-DD-dd	HH:MM:SS:hh (12 hr, 24 hr)	32 B	SOX-18	Backup Switching	2.7 V	5.5 V	- 40 C	+ 85 C	M41T93	SMD/SMT	Reel, Cut Tape, MouseReel
Real Time Clock 64K (8Kx8) 100ns M48T18-100PC1 STMicroelectronics 1: € 40,39 907In Stock 480Expected 08/10/2026	Mfr. Part No. M48T18-100PC1 Mouser Part No 511-M48T1810PC1	STMicroelectronics	Real Time Clock 64K (8Kx8) 100ns	Datasheet	907In Stock 480Expected 08/10/2026	€ 40,39 € 32,65 € 30,64 € 30,02	Min.: 1 Mult.: 1	Parallel	YY-MM-DD-dd	HH:MM:SS (24 hr)	8 kB	PCDIP-28	Integrated Battery	4.5 V	5.5 V	0 C	+ 70 C	M48T18	Through Hole	Tube
Real Time Clock 64K (8Kx8) 70ns M48T58Y-70MH1F STMicroelectronics 1: € 20,12 1 040In Stock	Mfr. Part No. M48T58Y-70MH1F Mouser Part No 511-M48T58Y-70MH1F	STMicroelectronics	Real Time Clock 64K (8Kx8) 70ns	Datasheet	1 040In Stock	Cut Tape € 20,12 € 16,09 € 15,08 € 13,98 View Reel € 13,00 € 13,54 € 13,00 € 13,00 Quote MouseReel Available	Min.: 1 Mult.: 1 : 936	Parallel	YY-MM-DD-dd	HH:MM:SS (24 hr)	64 kB	SOX-28	Backup Switching	4.5 V	5.5 V	0 C	+ 70 C	M48T58Y	SMD/SMT	Reel, Cut Tape, MouseReel
Real Time Clock Serial 512 (64x8) M41ST85WMH6F STMicroelectronics 1: € 8,94 565In Stock	Mfr. Part No. M41ST85WMH6F Mouser Part No 511-M41ST85WMH6F	STMicroelectronics	Real Time Clock Serial 512 (64x8)	Datasheet	565In Stock	Cut Tape € 8,94 € 6,97 € 6,48 € 5,93 Reel € 5,31 View € 5,66 € 5,46 € 5,19 Quote MouseReel Available	Min.: 1 Mult.: 1 : 936	Serial	YY-MM-DD-dd	HH:MM:SS:hh (12 hr, 24 hr)	64 B	SOH-28	Backup Switching	2.7 V	3.6 V	- 40 C	+ 85 C	M41ST85W	SMD/SMT	Reel, Cut Tape, MouseReel
Real Time Clock Serial 1280 (160x8) M41ST87WMX6TR STMicroelectronics 1: € 9,28 1 273In Stock	Mfr. Part No. M41ST87WMX6TR Mouser Part No 511-M41ST87WMX6TR	STMicroelectronics	Real Time Clock Serial 1280 (160x8)	Datasheet	1 273In Stock	Cut Tape € 9,28 € 7,24 € 6,73 € 6,17 Reel € 5,53 View € 5,87 € 5,75 € 5,35 MouseReel Available	Min.: 1 Mult.: 1 : 1 000	Serial	YY-MM-DD-dd	HH:MM:SS:hh (12 hr, 24 hr)	160 B	SOX-28	Backup Switching	2.7 V	3.6 V	- 40 C	+ 85 C	M41ST87W	SMD/SMT	Reel, Cut Tape, MouseReel
Real Time Clock 128 NVRAM Serial RTC 3.0 to 3.6 Vcc M41ST87WSS6F STMicroelectronics 1: € 6,68 361In 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	361In Stock 1 350On Order	Cut Tape € 6,68 € 5,16 € 4,77 € 4,36 Reel € 3,74 View € 4,09 € 3,56 MouseReel Available	Min.: 1 Mult.: 1 : 1 350	Serial 2-Wire, I2C	YY-MM-DD-dd	HH:MM:SS:hh (12 hr, 24 hr)	160 B	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 64 (8X8) M41T00M6F STMicroelectronics 1: € 3,62 2 168In Stock 10 000On Order	Mfr. Part No. M41T00M6F Mouser Part No 511-M41T00M6F	STMicroelectronics	Real Time Clock Serial 64 (8X8)	Datasheet	2 168In Stock 10 000On Order On Order Ship Dates Mfr. No: M41T00M6F Stock: 2 168 Can Dispatch Immediately On Order: 5 000 Expected 03/05/2027 5 000 TBD Factory Lead Time: 30 Weeks	Cut Tape € 3,62 € 2,73 € 2,52 € 2,28 Reel € 1,87 View € 2,16 € 2,11 € 1,86 MouseReel Available	Min.: 1 Mult.: 1 : 2 500	Serial 2-Wire, I2C	YYYY-MM-DD	HH:MM:SS (24 hr)	8 B	SOIC-8	Backup Switching	2 V	5.5 V	- 40 C	+ 85 C	M41T00	SMD/SMT	Reel, Cut Tape, MouseReel
Real Time Clock 2.0 to 5.5V 64 (8X8) M41T00SM6F STMicroelectronics 1: € 3,67 4 754In Stock 5 000Expected 25/11/2026	Mfr. Part No. M41T00SM6F Mouser Part No 511-M41T00SM6F	STMicroelectronics	Real Time Clock 2.0 to 5.5V 64 (8X8)	Datasheet	4 754In Stock 5 000Expected 25/11/2026	Cut Tape € 3,67 € 2,78 € 2,55 € 2,30 View Reel € 1,98 € 2,18 € 2,16 € 2,08 € 1,98 MouseReel Available	Min.: 1 Mult.: 1 : 2 500	Serial	YYYY-MM-DD	HH:MM:SS (24 hr)	8 B	SOIC-8	Backup Switching	2.7 V	5.5 V	- 40 C	+ 85 C	M41T00S	SMD/SMT	Reel, Cut Tape, MouseReel
Real Time Clock Serial 64 (8X8) M41T0M6F STMicroelectronics 1: € 4,04 4 949In Stock 12 500On Order	Mfr. Part No. M41T0M6F Mouser Part No 511-M41T0M6F	STMicroelectronics	Real Time Clock Serial 64 (8X8)	Datasheet	4 949In Stock 12 500On Order On Order Ship Dates Mfr. No: M41T0M6F Stock: 4 949 Can Dispatch Immediately On Order: 5 000 Expected 19/10/2026 7 500 Expected 17/05/2027 Factory Lead Time: 30 Weeks	Cut Tape € 4,04 € 3,05 € 2,80 € 2,54 Reel € 2,18 View € 2,41 € 2,39 € 2,24 € 2,11 MouseReel Available	Min.: 1 Mult.: 1 : 2 500	Serial 2-Wire, I2C	YY-MM-DD-dd	HH:MM:SS (24 hr)	8 B	SOIC-8	No Backup Switching	2 V	5.5 V	- 40 C	+ 85 C	M41T0	SMD/SMT	Reel, Cut Tape, MouseReel
Real Time Clock Serial 512 (64x8) M41T11M6F STMicroelectronics 1: € 3,10 2 817In Stock	Mfr. Part No. M41T11M6F Mouser Part No 511-M41T11M6F	STMicroelectronics	Real Time Clock Serial 512 (64x8)	Datasheet	2 817In Stock	Cut Tape € 3,10 € 2,34 € 2,14 € 1,93 Reel € 1,63 View € 1,81 € 1,78 € 1,69 € 1,56 MouseReel Available	Min.: 1 Mult.: 1 : 2 500	Serial	YY-MM-DD-dd	HH:MM:SS (24 hr)	64 B	SOIC-8	Backup Switching	2 V	5.5 V	- 40 C	+ 85 C	M41T11	SMD/SMT	Reel, Cut Tape, MouseReel
Real Time Clock Serial 512 (64x8) M41T11MH6F STMicroelectronics 1: € 8,76 1 385In Stock	Mfr. Part No. M41T11MH6F Mouser Part No 511-M41T11MH6F	STMicroelectronics	Real Time Clock Serial 512 (64x8)	Datasheet	1 385In Stock	Cut Tape € 8,76 € 6,82 € 6,34 € 5,80 Reel € 5,18 View € 5,50 € 5,19 € 4,85 Quote MouseReel Available	Min.: 1 Mult.: 1 : 936	Serial	YY-MM-DD-dd	HH:MM:SS (24 hr)	64 B	SOX-28	Backup Switching	2 V	5.5 V	- 40 C	+ 85 C	M41T11	SMD/SMT	Reel, Cut Tape, MouseReel
Real Time Clock Serial 512 (64x8) M41T56M6F STMicroelectronics 1: € 2,69 2 492In Stock 7 500On Order	Mfr. Part No. M41T56M6F Mouser Part No 511-M41T56M6F	STMicroelectronics	Real Time Clock Serial 512 (64x8)	Datasheet	2 492In Stock 7 500On Order On Order Ship Dates Mfr. No: M41T56M6F Stock: 2 492 Can Dispatch Immediately On Order: 2 500 Expected 13/09/2027 5 000 Expected 04/10/2027 Factory Lead Time: 30 Weeks	Cut Tape € 2,69 € 2,05 € 1,86 € 1,69 Reel € 1,36 View € 1,62 € 1,57 € 1,53 € 1,35 MouseReel Available	Min.: 1 Mult.: 1 : 2 500	I2C	YY-MM-DD-dd	HH:MM:SS (24 hr)	64 B	SOIC-8	Backup Switching	4.5 V	5.5 V	- 40 C	+ 85 C	M41T56	SMD/SMT	Reel, Cut Tape, MouseReel
Real Time Clock 2.0-5.5V 512 (64x8) M41T81SM6F STMicroelectronics 1: € 2,49 3 436In Stock 15 000On Order	Mfr. Part No. M41T81SM6F Mouser Part No 511-M41T81SM6F	STMicroelectronics	Real Time Clock 2.0-5.5V 512 (64x8)	Datasheet	3 436In Stock 15 000On Order On Order Ship Dates Mfr. No: M41T81SM6F Stock: 3 436 Can Dispatch Immediately On Order: 7 500 Expected 04/11/2026 7 500 Expected 19/07/2027 Factory Lead Time: 30 Weeks	Cut Tape € 2,49 € 1,85 € 1,69 € 1,51 Reel € 1,29 View € 1,43 € 1,40 € 1,32 € 1,26 MouseReel Available	Min.: 1 Mult.: 1 : 2 500	I2C	YY-MM-DD-dd	HH:MM:SS:hh (12 hr, 24 hr)	20 B	SOIC-8	Backup Switching	2.7 V	5.5 V	- 40 C	+ 85 C	M41T81S	SMD/SMT	Reel, Cut Tape, MouseReel
Real Time Clock Serial I2C bus RTC M41T82RM6F STMicroelectronics 1: € 3,72 3 325In Stock 2 500Expected 28/12/2026	Mfr. Part No. M41T82RM6F Mouser Part No 511-M41T82RM6F	STMicroelectronics	Real Time Clock Serial I2C bus RTC	Datasheet	3 325In Stock 2 500Expected 28/12/2026	Cut Tape € 3,72 € 2,80 € 2,58 € 2,33 Reel € 2,00 View € 2,21 € 2,19 € 2,06 € 1,99 MouseReel Available	Min.: 1 Mult.: 1 : 2 500	Serial	YY-MM-DD-dd	HH:MM:SS:hh (12 hr, 24 hr)	32 B	SOIC-8	Backup Switching	2.7 V	5.5 V	- 40 C	+ 85 C	M41T82	SMD/SMT	Reel, Cut Tape, MouseReel