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Real Time Clock

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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.	RTC Bus Interface	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 16K (2Kx8) 70ns M48T12-70PC1 STMicroelectronics 1: 33.21 CHF 864In Stock	Mfr. Part No. M48T12-70PC1 Mouser Part No 511-M48T1270PC1	STMicroelectronics	Real Time Clock 16K (2Kx8) 70ns	Datasheet	864In Stock	33.21 CHF 24.43 CHF 23.45 CHF 22.53 CHF 21.71 CHF	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: 40.62 CHF 408In Stock	Mfr. Part No. M48T18-150PC1 Mouser Part No 511-M48T1815PC1	STMicroelectronics	Real Time Clock 64K (8Kx8) 150ns	Datasheet	408In Stock	40.62 CHF 30.68 CHF 29.34 CHF 28.84 CHF View 28.82 CHF 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 64K (8Kx8) 100ns M48T08Y-10MH1F STMicroelectronics 1: 33.11 CHF 977In Stock	Mfr. Part No. M48T08Y-10MH1F Mouser Part No 511-M48T08Y-10MH1F	STMicroelectronics	Real Time Clock 64K (8Kx8) 100ns	Datasheet	977In Stock	Cut Tape 33.11 CHF 26.81 CHF 25.23 CHF 24.18 CHF View Reel 21.84 CHF 22.67 CHF 21.86 CHF 21.84 CHF 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 64K (8Kx8) 100ns M48T08-100PC1 STMicroelectronics 1: 29.27 CHF 1 484In Stock	Mfr. Part No. M48T08-100PC1 Mouser Part No 511-M48T0810PC1	STMicroelectronics	Real Time Clock 64K (8Kx8) 100ns	Datasheet	1 484In Stock	29.27 CHF 21.96 CHF 20.95 CHF 20.21 CHF View 19.11 CHF 19.10 CHF	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 Serial I2C bus RTC M41T83ZMY6F STMicroelectronics 1: 5.95 CHF 765In Stock	Mfr. Part No. M41T83ZMY6F Mouser Part No 511-M41T83ZMY6F	STMicroelectronics	Real Time Clock Serial I2C bus RTC	Datasheet	765In Stock	Cut Tape 5.95 CHF 4.61 CHF 4.27 CHF 3.88 CHF Reel 3.35 CHF View 3.59 CHF 3.26 CHF 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 Low-Pwr serial RTC W/ battry switchover M41T01M6F STMicroelectronics 1: 3.09 CHF 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 3.09 CHF 2.38 CHF 2.12 CHF 1.93 CHF View Reel 1.57 CHF 1.83 CHF 1.81 CHF 1.74 CHF 1.57 CHF 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 160 (20x8) M41T80M6F STMicroelectronics 1: 4.59 CHF 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 4.59 CHF 3.55 CHF 3.29 CHF 2.97 CHF View Reel 2.68 CHF 2.84 CHF 2.74 CHF 2.71 CHF 2.68 CHF 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 SPI bus RTC M41T93ZQA6F STMicroelectronics 1: 6.20 CHF 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 6.20 CHF 4.93 CHF 4.43 CHF 4.04 CHF Reel 3.52 CHF View 3.82 CHF 3.81 CHF 3.49 CHF 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 Serial SPI bus RTC M41T93SQA6F STMicroelectronics 1: 6.52 CHF 166In Stock	Mfr. Part No. M41T93SQA6F Mouser Part No 511-M41T93SQA6F	STMicroelectronics	Real Time Clock Serial SPI bus RTC	Datasheet	166In Stock	Cut Tape 6.52 CHF 5.04 CHF 4.66 CHF 4.25 CHF Reel 3.81 CHF View 3.94 CHF 3.79 CHF 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: 18.55 CHF 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 18.55 CHF 16.19 CHF 14.48 CHF 13.64 CHF View Reel 12.35 CHF 13.30 CHF 12.79 CHF 12.35 CHF Quote 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 I2C bus RTC M41T82ZM6F STMicroelectronics 1: 2.85 CHF 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 2.85 CHF 2.15 CHF 1.97 CHF 1.77 CHF Reel 1.56 CHF View 1.68 CHF 1.64 CHF 1.58 CHF 1.54 CHF 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 SPI bus RTC M41T93RMY6F STMicroelectronics 1: 8.59 CHF 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 8.59 CHF 6.70 CHF 6.24 CHF 5.72 CHF Reel 5.19 CHF View 5.48 CHF 5.42 CHF 5.05 CHF 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 64K (8Kx8) 100ns M48T18-100PC1 STMicroelectronics 1: 37.81 CHF 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	37.81 CHF 30.56 CHF 28.68 CHF 28.10 CHF	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: 18.83 CHF 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 18.83 CHF 15.06 CHF 14.11 CHF 13.09 CHF View Reel 12.17 CHF 12.67 CHF 12.17 CHF 12.17 CHF 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: 8.37 CHF 565In Stock	Mfr. Part No. M41ST85WMH6F Mouser Part No 511-M41ST85WMH6F	STMicroelectronics	Real Time Clock Serial 512 (64x8)	Datasheet	565In Stock	Cut Tape 8.37 CHF 6.52 CHF 6.07 CHF 5.55 CHF Reel 4.97 CHF View 5.30 CHF 5.11 CHF 4.86 CHF 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: 8.69 CHF 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 8.69 CHF 6.78 CHF 6.30 CHF 5.78 CHF Reel 5.18 CHF View 5.49 CHF 5.38 CHF 5.01 CHF 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 128 NVRAM Serial RTC 3.0 to 3.6 Vcc M41ST87WSS6F STMicroelectronics 1: 6.25 CHF 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 6.25 CHF 4.83 CHF 4.46 CHF 4.08 CHF Reel 3.50 CHF View 3.83 CHF 3.33 CHF 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 64 (8X8) M41T00M6F STMicroelectronics 1: 3.39 CHF 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 3.39 CHF 2.56 CHF 2.36 CHF 2.13 CHF Reel 1.75 CHF View 2.02 CHF 1.97 CHF 1.74 CHF MouseReel Available	Min.: 1 Mult.: 1 : 2 500	Serial 2-Wire, I2C	YYYY-MM-DD	HH:MM:SS (24 hr)	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: 3.44 CHF 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 3.44 CHF 2.60 CHF 2.39 CHF 2.15 CHF View Reel 1.85 CHF 2.04 CHF 2.02 CHF 1.95 CHF 1.85 CHF 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: 3.78 CHF 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 3.78 CHF 2.85 CHF 2.62 CHF 2.38 CHF Reel 2.04 CHF View 2.26 CHF 2.24 CHF 2.10 CHF 1.97 CHF 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: 2.90 CHF 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 2.90 CHF 2.19 CHF 2.00 CHF 1.81 CHF Reel 1.53 CHF View 1.69 CHF 1.67 CHF 1.58 CHF 1.46 CHF 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: 8.20 CHF 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 8.20 CHF 6.38 CHF 5.93 CHF 5.43 CHF Reel 4.85 CHF View 5.15 CHF 4.86 CHF 4.54 CHF 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 512 (64x8) M41T56M6F STMicroelectronics 1: 2.52 CHF 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 2.52 CHF 1.92 CHF 1.74 CHF 1.58 CHF Reel 1.27 CHF View 1.52 CHF 1.47 CHF 1.43 CHF 1.26 CHF MouseReel Available	Min.: 1 Mult.: 1 : 2 500	I2C	YY-MM-DD-dd	HH:MM:SS (24 hr)	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: 2.33 CHF 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 2.33 CHF 1.73 CHF 1.58 CHF 1.41 CHF Reel 1.21 CHF View 1.34 CHF 1.31 CHF 1.24 CHF 1.18 CHF 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	2.7 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: 3.48 CHF 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 3.48 CHF 2.62 CHF 2.41 CHF 2.18 CHF Reel 1.87 CHF View 2.07 CHF 2.05 CHF 1.93 CHF 1.86 CHF 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