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Image	Part #	Mfr.	Description	Datasheet	Availability	Pricing (CHF) 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 64K (8Kx8) 100ns M48T08Y-10MH1F STMicroelectronics 1: CHF 33.11 937In Stock	Mfr. Part No. M48T08Y-10MH1F Mouser Part No 511-M48T08Y-10MH1F	STMicroelectronics	Real Time Clock 64K (8Kx8) 100ns	Datasheet	937In Stock	Cut Tape CHF 33.11 CHF 26.81 CHF 25.23 CHF 24.18 View Reel CHF 21.84 CHF 22.67 CHF 21.86 CHF 21.84 Quote MouseReel Available	Min.: 1 Mult.: 1 : 936	Parallel	YY-MM-DD-dd	HH:MM:SS (24 hr)	SOX-28	Backup Switching	4.5 V	5.5 V	0 C	+ 70 C	M48T08Y	SMD/SMT	Reel, Cut Tape, MouseReel
Real Time Clock 16K (2Kx8) 70ns M48T12-70PC1 STMicroelectronics 1: CHF 33.21 844In Stock	Mfr. Part No. M48T12-70PC1 Mouser Part No 511-M48T1270PC1	STMicroelectronics	Real Time Clock 16K (2Kx8) 70ns	Datasheet	844In Stock	CHF 33.21 CHF 24.43 CHF 23.45 CHF 22.53 View CHF 21.72 Quote	Min.: 1 Mult.: 1	Parallel	YY-MM-DD-dd	HH:MM:SS (24 hr)	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: CHF 40.62 398In Stock	Mfr. Part No. M48T18-150PC1 Mouser Part No 511-M48T1815PC1	STMicroelectronics	Real Time Clock 64K (8Kx8) 150ns	Datasheet	398In Stock	CHF 40.62 CHF 30.68 CHF 29.34 CHF 28.80 View CHF 28.68 Quote	Min.: 1 Mult.: 1	Parallel	YY-MM-DD-dd	HH:MM:SS (24 hr)	PCDIP-28	Integrated Battery	4.5 V	5.5 V	0 C	+ 70 C	M48T18	Through Hole	Tube
Real Time Clock Low-Pwr serial RTC W/ battry switchover M41T01M6F STMicroelectronics 1: CHF 3.14 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 CHF 3.14 CHF 2.38 CHF 2.18 CHF 1.97 View Reel CHF 1.57 CHF 1.87 CHF 1.84 CHF 1.78 CHF 1.57 MouseReel Available	Min.: 1 Mult.: 1 : 2’500	Serial 2-Wire, I2C	YY-MM-DD-dd	HH:MM:SS (24 hr)	SOIC-8	Backup Switching	2 V	5.5 V	- 40 C	+ 85 C	M41T01	SMD/SMT	Reel, Cut Tape, MouseReel
Real Time Clock Serial SPI bus RTC M41T93ZQA6F STMicroelectronics 1: CHF 6.24 1’019In Stock	Mfr. Part No. M41T93ZQA6F Mouser Part No 511-M41T93ZQA6F	STMicroelectronics	Real Time Clock Serial SPI bus RTC	Datasheet	1’019In Stock	Cut Tape CHF 6.24 CHF 4.93 CHF 4.46 CHF 4.06 Reel CHF 3.52 View CHF 3.84 CHF 3.83 CHF 3.49 Quote 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	M41T93	SMD/SMT	Reel, Cut Tape, MouseReel
Real Time Clock 256K (32Kx8) 100ns M48T37V-10MH1F STMicroelectronics 1: CHF 18.12 330In Stock	Mfr. Part No. M48T37V-10MH1F Mouser Part No 511-M48T37V-10MH1F	STMicroelectronics	Real Time Clock 256K (32Kx8) 100ns	Datasheet	330In Stock	Cut Tape CHF 18.12 CHF 16.31 CHF 14.23 CHF 13.53 Reel CHF 12.09 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 Serial 512 (64x8) M41ST85WMX6TR STMicroelectronics 1: CHF 8.71 2’203In Stock	Mfr. Part No. M41ST85WMX6TR Mouser Part No 511-M41ST85WMX6TR	STMicroelectronics	Real Time Clock Serial 512 (64x8)	Datasheet	2’203In Stock	Cut Tape CHF 8.71 CHF 6.80 CHF 6.26 CHF 5.75 View Reel CHF 5.27 CHF 5.49 CHF 5.44 CHF 5.27 MouseReel Available	Min.: 1 Mult.: 1 : 1’000	Serial	YY-MM-DD-dd	HH:MM:SS:hh (12 hr, 24 hr)	SOX-28	Backup Switching	2.7 V	3.6 V	- 40 C	+ 85 C	M41ST85W	SMD/SMT	Reel, Cut Tape, MouseReel
Real Time Clock Serial SPI bus RTC M41T93RMY6F STMicroelectronics 1: CHF 8.59 6’229In Stock	Mfr. Part No. M41T93RMY6F Mouser Part No 511-M41T93RMY6F	STMicroelectronics	Real Time Clock Serial SPI bus RTC	Datasheet	6’229In Stock	Cut Tape CHF 8.59 CHF 6.70 CHF 6.24 CHF 5.72 Reel CHF 5.19 View CHF 5.48 CHF 5.42 CHF 5.05 Quote 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	2.7 V	5.5 V	- 40 C	+ 85 C	M41T93	SMD/SMT	Reel, Cut Tape, MouseReel
Real Time Clock Serial 512 (64x8) M41T94MH6F STMicroelectronics 1: CHF 8.93 2’869In Stock	Mfr. Part No. M41T94MH6F Mouser Part No 511-M41T94MH6F	STMicroelectronics	Real Time Clock Serial 512 (64x8)	Datasheet	2’869In Stock	Cut Tape CHF 8.93 CHF 7.05 CHF 6.56 CHF 6.02 Reel CHF 5.28 View CHF 5.84 CHF 5.49 CHF 5.11 MouseReel Available	Min.: 1 Mult.: 1 : 936	SPI	YY-MM-DD-dd	HH:MM:SS:hh (12 hr, 24 hr)	SOX-28	Backup Switching	2.7 V	5.5 V	- 40 C	+ 85 C	M41T94	SMD/SMT	Reel, Cut Tape, MouseReel
Real Time Clock 64K (8Kx8) 100ns M48T08-100PC1 STMicroelectronics 1: CHF 29.27 940In Stock	Mfr. Part No. M48T08-100PC1 Mouser Part No 511-M48T0810PC1	STMicroelectronics	Real Time Clock 64K (8Kx8) 100ns	Datasheet	940In Stock	CHF 29.27 CHF 21.96 CHF 20.95 CHF 20.21 View CHF 19.52 CHF 19.46	Min.: 1 Mult.: 1	Parallel	YY-MM-DD-dd	HH:MM:SS (24 hr)	PCDIP-28	Integrated Battery	4.75 V	5.5 V	0 C	+ 70 C	M48T08	Through Hole	Tube
Real Time Clock 16K (2Kx8) 150ns M48T12-150PC1 STMicroelectronics 1: CHF 35.48 944In Stock	Mfr. Part No. M48T12-150PC1 Mouser Part No 511-M48T1215PC1	STMicroelectronics	Real Time Clock 16K (2Kx8) 150ns	Datasheet	944In Stock	CHF 35.48 CHF 28.66 CHF 27.29 CHF 26.46 View CHF 25.43 Quote	Min.: 1 Mult.: 1	Parallel	YY-MM-DD-dd	HH:MM:SS (24 hr)	PCDIP-24	Integrated Battery	4.5 V	5.5 V	0 C	+ 70 C	M48T12	Through Hole	Tube
Real Time Clock 64K (8Kx8) 100ns M48T18-100PC1 STMicroelectronics 1: CHF 37.81 1’351In Stock	Mfr. Part No. M48T18-100PC1 Mouser Part No 511-M48T1810PC1	STMicroelectronics	Real Time Clock 64K (8Kx8) 100ns	Datasheet	1’351In Stock	CHF 37.81 CHF 30.56 CHF 28.68 CHF 28.10	Min.: 1 Mult.: 1	Parallel	YY-MM-DD-dd	HH:MM:SS (24 hr)	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: CHF 18.83 1’036In Stock	Mfr. Part No. M48T58Y-70MH1F Mouser Part No 511-M48T58Y-70MH1F	STMicroelectronics	Real Time Clock 64K (8Kx8) 70ns	Datasheet	1’036In Stock	Cut Tape CHF 18.83 CHF 15.06 CHF 14.11 CHF 13.09 View Reel CHF 12.17 CHF 12.67 CHF 12.17 CHF 12.17 Quote MouseReel Available	Min.: 1 Mult.: 1 : 936	Parallel	YY-MM-DD-dd	HH:MM:SS (24 hr)	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: CHF 8.37 565In Stock	Mfr. Part No. M41ST85WMH6F Mouser Part No 511-M41ST85WMH6F	STMicroelectronics	Real Time Clock Serial 512 (64x8)	Datasheet	565In Stock	Cut Tape CHF 8.37 CHF 6.52 CHF 6.07 CHF 5.55 Reel CHF 4.97 View CHF 5.30 CHF 5.11 CHF 4.86 Quote MouseReel Available	Min.: 1 Mult.: 1 : 936	Serial	YY-MM-DD-dd	HH:MM:SS:hh (12 hr, 24 hr)	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: CHF 8.69 1’173In Stock	Mfr. Part No. M41ST87WMX6TR Mouser Part No 511-M41ST87WMX6TR	STMicroelectronics	Real Time Clock Serial 1280 (160x8)	Datasheet	1’173In Stock	Cut Tape CHF 8.69 CHF 6.78 CHF 6.30 CHF 5.78 Reel CHF 5.18 View CHF 5.49 CHF 5.38 CHF 5.01 MouseReel Available	Min.: 1 Mult.: 1 : 1’000	Serial	YY-MM-DD-dd	HH:MM:SS:hh (12 hr, 24 hr)	SOX-28	Backup Switching	2.7 V	3.6 V	- 40 C	+ 85 C	M41ST87W	SMD/SMT	Reel, Cut Tape, MouseReel
Real Time Clock 2.0 to 5.5V 64 (8X8) M41T00SM6F STMicroelectronics 1: CHF 3.44 4’651In Stock 5’000Expected 11/25/2026	Mfr. Part No. M41T00SM6F Mouser Part No 511-M41T00SM6F	STMicroelectronics	Real Time Clock 2.0 to 5.5V 64 (8X8)	Datasheet	4’651In Stock 5’000Expected 11/25/2026	Cut Tape CHF 3.44 CHF 2.60 CHF 2.39 CHF 2.15 View Reel CHF 1.85 CHF 2.04 CHF 2.02 CHF 1.95 CHF 1.85 MouseReel Available	Min.: 1 Mult.: 1 : 2’500	Serial	YYYY-MM-DD	HH:MM:SS (24 hr)	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: CHF 3.78 2’415In Stock 12’500On Order	Mfr. Part No. M41T0M6F Mouser Part No 511-M41T0M6F	STMicroelectronics	Real Time Clock Serial 64 (8X8)	Datasheet	2’415In Stock 12’500On Order On Order Ship Dates Mfr. No: M41T0M6F Stock: 2’415 Can Dispatch Immediately On Order: 5’000 Expected 12/14/2026 7’500 Expected 5/17/2027 Factory Lead Time: 30 Weeks	Cut Tape CHF 3.78 CHF 2.85 CHF 2.62 CHF 2.38 View Reel CHF 2.04 CHF 2.26 CHF 2.24 CHF 2.10 CHF 2.04 MouseReel Available	Min.: 1 Mult.: 1 : 2’500	Serial 2-Wire, I2C	YY-MM-DD-dd	HH:MM:SS (24 hr)	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: CHF 2.90 2’067In Stock	Mfr. Part No. M41T11M6F Mouser Part No 511-M41T11M6F	STMicroelectronics	Real Time Clock Serial 512 (64x8)	Datasheet	2’067In Stock	Cut Tape CHF 2.90 CHF 2.19 CHF 2.00 CHF 1.81 Reel CHF 1.53 View CHF 1.69 CHF 1.67 CHF 1.58 CHF 1.46 MouseReel Available	Min.: 1 Mult.: 1 : 2’500	Serial	YY-MM-DD-dd	HH:MM:SS (24 hr)	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: CHF 8.20 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 CHF 8.20 CHF 6.38 CHF 5.93 CHF 5.43 Reel CHF 4.85 View CHF 5.15 CHF 4.86 CHF 4.54 Quote MouseReel Available	Min.: 1 Mult.: 1 : 936	Serial	YY-MM-DD-dd	HH:MM:SS (24 hr)	SOX-28	Backup Switching	2 V	5.5 V	- 40 C	+ 85 C	M41T11	SMD/SMT	Reel, Cut Tape, MouseReel
Real Time Clock Serial 160 (20x8) M41T80M6F STMicroelectronics 1: CHF 4.63 1’840In Stock	Mfr. Part No. M41T80M6F Mouser Part No 511-M41T80M6F	STMicroelectronics	Real Time Clock Serial 160 (20x8)	Datasheet	1’840In Stock	Cut Tape CHF 4.63 CHF 3.58 CHF 3.29 CHF 3.00 View Reel CHF 2.68 CHF 2.84 CHF 2.74 CHF 2.71 CHF 2.68 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)	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 I2C bus RTC M41T82RM6F STMicroelectronics 1: CHF 3.48 2’402In Stock 2’500Expected 12/28/2026	Mfr. Part No. M41T82RM6F Mouser Part No 511-M41T82RM6F	STMicroelectronics	Real Time Clock Serial I2C bus RTC	Datasheet	2’402In Stock 2’500Expected 12/28/2026	Cut Tape CHF 3.48 CHF 2.62 CHF 2.41 CHF 2.18 Reel CHF 1.87 View CHF 2.07 CHF 2.05 CHF 1.93 CHF 1.86 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	2.7 V	5.5 V	- 40 C	+ 85 C	M41T82	SMD/SMT	Reel, Cut Tape, MouseReel
Real Time Clock Serial I2C bus RTC M41T82SM6F STMicroelectronics 1: CHF 2.62 4’048In Stock	Mfr. Part No. M41T82SM6F Mouser Part No 511-M41T82SM6F	STMicroelectronics	Real Time Clock Serial I2C bus RTC	Datasheet	4’048In Stock	Cut Tape CHF 2.62 CHF 1.97 CHF 1.81 CHF 1.62 Reel CHF 1.35 View CHF 1.53 CHF 1.49 CHF 1.45 CHF 1.34 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	3 V	5.5 V	- 40 C	+ 85 C	M41T82	SMD/SMT	Reel, Cut Tape, MouseReel
Real Time Clock Serial I2C bus RTC M41T82ZM6F STMicroelectronics 1: CHF 2.85 5’176In Stock 12’500Expected 10/25/2027	Mfr. Part No. M41T82ZM6F Mouser Part No 511-M41T82ZM6F	STMicroelectronics	Real Time Clock Serial I2C bus RTC	Datasheet	5’176In Stock 12’500Expected 10/25/2027	Cut Tape CHF 2.85 CHF 2.15 CHF 1.97 CHF 1.77 Reel CHF 1.56 View CHF 1.68 CHF 1.64 CHF 1.58 CHF 1.54 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 SPI RTC 32.768 kHz 365nA 2.0V to 5.5V M41T93RQA6F STMicroelectronics 1: CHF 6.75 1’083In Stock	Mfr. Part No. M41T93RQA6F Mouser Part No 511-M41T93RQA6F	STMicroelectronics	Real Time Clock SPI RTC 32.768 kHz 365nA 2.0V to 5.5V	Datasheet	1’083In Stock	Cut Tape CHF 6.75 CHF 5.20 CHF 4.81 CHF 4.40 Reel CHF 3.94 View CHF 4.06 CHF 3.88 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	2.7 V	5.5 V	- 40 C	+ 85 C	M41T93	SMD/SMT	Reel, Cut Tape, MouseReel
Real Time Clock Serial SPI bus RTC M41T93ZMY6F STMicroelectronics 1: CHF 8.59 757In Stock	Mfr. Part No. M41T93ZMY6F Mouser Part No 511-M41T93ZMY6F	STMicroelectronics	Real Time Clock Serial SPI bus RTC	Datasheet	757In Stock	Cut Tape CHF 8.59 CHF 6.70 CHF 6.24 CHF 5.72 Reel CHF 5.19 View CHF 5.48 CHF 5.42 CHF 5.05 Quote 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	2.38 V	5.5 V	- 40 C	+ 85 C	M41T93	SMD/SMT	Reel, Cut Tape, MouseReel