.hide-partial { max-height: none; } .show-more { display: none; }

STMicroelectronics Real Time Clock

.catnav-wrapper { height: auto; overflow: visible; } .catalog-nav-tabs ul { white-space: normal; }

Results: 50

Applied Filters:

Manufacturer = STMicroelectronics

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

Time Keeping Current

Packaging

Reset All

Search within results

In Stock

Normally Stocked

Active

New Products

RoHS Compliant

.search-refine-wrapper { display: inline-block; min-width: 100%; } .scroll-body { overflow-x: visible; } .search-table-wrapper { overflow: visible; } .hide-partial { max-height: none; } .show-more { display: none; }

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 Serial 512 (64x8) M41T94MQ6F STMicroelectronics 1: CHF 4.41 2’659In Stock 5’000Expected 4/28/2027	Mfr. Part No. M41T94MQ6F Mouser Part No 511-M41T94MQ6F	STMicroelectronics	Real Time Clock Serial 512 (64x8)	Datasheet	2’659In Stock 5’000Expected 4/28/2027	Cut Tape CHF 4.41 CHF 3.36 CHF 3.11 CHF 2.82 View Reel CHF 2.42 CHF 2.68 CHF 2.62 CHF 2.60 CHF 2.42 Quote MouseReel Available	Min.: 1 Mult.: 1 : 2’500	Serial	YY-MM-DD-dd	HH:MM:SS:hh (12 hr, 24 hr)	SO-16	Backup Switching	2.7 V	5.5 V	- 40 C	+ 85 C	M41T94	SMD/SMT	Reel, Cut Tape, MouseReel
Real Time Clock 16K (2Kx8) 150ns M48T02-150PC1 STMicroelectronics 1: CHF 25.20 644In Stock	Mfr. Part No. M48T02-150PC1 Mouser Part No 511-M48T0215PC1	STMicroelectronics	Real Time Clock 16K (2Kx8) 150ns	Datasheet	644In Stock	CHF 25.20 CHF 20.03 CHF 18.32 CHF 17.34 CHF 16.69	Min.: 1 Mult.: 1	Parallel	YY-MM-DD-dd	HH:MM:SS (24 hr)	PCDIP-24	Integrated Battery	4.75 V	5.5 V	0 C	+ 70 C	M48T02	Through Hole	Tube
Real Time Clock 16K (2Kx8) 70ns M48T02-70PC1 STMicroelectronics 1: CHF 24.12 430In Stock	Mfr. Part No. M48T02-70PC1 Mouser Part No 511-M48T0270PC1	STMicroelectronics	Real Time Clock 16K (2Kx8) 70ns	Datasheet	430In Stock	CHF 24.12 CHF 19.16 CHF 18.08 CHF 16.78 View CHF 16.19 CHF 15.62 Quote	Min.: 1 Mult.: 1	Parallel	YY-MM-DD-dd	HH:MM:SS (24 hr)	PCDIP-24	Integrated Battery	4.75 V	5.5 V	0 C	+ 70 C	M48T02	Through Hole	Tube
Real Time Clock 64K (8Kx8) 150ns M48T08-150PC1 STMicroelectronics 1: CHF 31.48 126In Stock 480Expected 10/29/2026	Mfr. Part No. M48T08-150PC1 Mouser Part No 511-M48T0815PC1	STMicroelectronics	Real Time Clock 64K (8Kx8) 150ns	Datasheet	126In Stock 480Expected 10/29/2026	CHF 31.48 CHF 25.37 CHF 23.81 CHF 22.97 View CHF 21.38 CHF 21.31 Quote	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 256K (32Kx8) 70ns M48T35-70PC1 STMicroelectronics 1: CHF 43.97 236In Stock	Mfr. Part No. M48T35-70PC1 Mouser Part No 511-M48T3570PC1	STMicroelectronics	Real Time Clock 256K (32Kx8) 70ns	Datasheet	236In Stock	CHF 43.97 CHF 35.78 CHF 33.60 CHF 31.70 View CHF 31.68 Quote	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	M48T35	Through Hole	Tube
Real Time Clock 256K (32Kx8) 70ns M48T35Y-70MH1F STMicroelectronics 1: CHF 19.48 520In Stock	Mfr. Part No. M48T35Y-70MH1F Mouser Part No 511-M48T35Y-70MH1F	STMicroelectronics	Real Time Clock 256K (32Kx8) 70ns	Datasheet	520In Stock	Cut Tape CHF 19.48 CHF 15.60 CHF 14.63 CHF 13.56 View Reel CHF 12.45 CHF 13.27 CHF 12.45 CHF 12.45 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	M48T35Y	SMD/SMT	Reel, Cut Tape, MouseReel
Real Time Clock 64K (8Kx8) 70ns M48T58-70PC1 STMicroelectronics 1: CHF 38.53 179In Stock	Mfr. Part No. M48T58-70PC1 Mouser Part No 511-M48T5870PC1	STMicroelectronics	Real Time Clock 64K (8Kx8) 70ns	Datasheet	179In Stock	CHF 38.53 CHF 31.35 CHF 29.46 CHF 28.81 View CHF 27.11 Quote	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	M48T58	Through Hole	Tube
Real Time Clock 64K (8Kx8) 70ns M48T58Y-70PC1 STMicroelectronics 1: CHF 30.05 418In Stock	Mfr. Part No. M48T58Y-70PC1 Mouser Part No 511-M48T58Y70PC1	STMicroelectronics	Real Time Clock 64K (8Kx8) 70ns	Datasheet	418In Stock	CHF 30.05 CHF 24.20 CHF 22.71 CHF 21.57 View CHF 20.59 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	M48T58Y	Through Hole	Tube
Real Time Clock 128 NVRAM Serial RTC 3.0 to 3.6 Vcc M41ST87WSS6F STMicroelectronics 1: CHF 6.25 23In 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	23In Stock 1’350On Order	Cut Tape CHF 6.25 CHF 4.83 CHF 4.46 CHF 4.08 Reel CHF 3.50 View CHF 3.83 CHF 3.33 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: CHF 2.44 61In Stock 5’000Expected 9/6/2027	Mfr. Part No. M41T81M6F Mouser Part No 511-M41T81M6F	STMicroelectronics	Real Time Clock Serial 512 (64x8)	Datasheet	61In Stock 5’000Expected 9/6/2027	Cut Tape CHF 2.44 CHF 1.83 CHF 1.68 CHF 1.52 View Reel CHF 1.20 CHF 1.43 CHF 1.36 CHF 1.29 CHF 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 2.0-5.5V 512 (64x8) M41T81SM6F STMicroelectronics 1: CHF 2.33 94In Stock 25’000On Order	Mfr. Part No. M41T81SM6F Mouser Part No 511-M41T81SM6F	STMicroelectronics	Real Time Clock 2.0-5.5V 512 (64x8)	Datasheet	94In Stock 25’000On Order On Order Ship Dates Mfr. No: M41T81SM6F Stock: 94 Can Dispatch Immediately On Order: 7’500 Expected 10/29/2026 7’500 Expected 7/19/2027 10’000 Expected 10/18/2027 Factory Lead Time: 30 Weeks	Cut Tape CHF 2.33 CHF 1.73 CHF 1.58 CHF 1.41 View Reel CHF 1.21 CHF 1.34 CHF 1.31 CHF 1.24 CHF 1.21 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 M41T83RMY6F STMicroelectronics 1: CHF 4.43 334In Stock	Mfr. Part No. M41T83RMY6F Mouser Part No 511-M41T83RMY6F	STMicroelectronics	Real Time Clock Serial I2C bus RTC	Datasheet	334In Stock	Cut Tape CHF 4.43 CHF 3.37 CHF 3.11 CHF 2.82 Reel CHF 2.56 View CHF 2.68 CHF 2.60 CHF 2.53 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: CHF 4.11 240In Stock 1’000Expected 11/23/2026	Mfr. Part No. M41T83SMY6F Mouser Part No 511-M41T83SMY6F	STMicroelectronics	Real Time Clock Serial I2C bus RTC	Datasheet	240In Stock 1’000Expected 11/23/2026	Cut Tape CHF 4.11 CHF 3.14 CHF 2.88 CHF 2.60 Reel CHF 2.12 View CHF 2.47 CHF 2.44 CHF 2.10 CHF 2.09 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: CHF 3.78 60In Stock 5’000Expected 5/10/2027	Mfr. Part No. M41T83SQA6F Mouser Part No 511-M41T83SQA6F	STMicroelectronics	Real Time Clock Serial I2C bus RTC	Datasheet	60In Stock 5’000Expected 5/10/2027	Cut Tape CHF 3.78 CHF 2.86 CHF 2.64 CHF 2.33 View Reel CHF 2.05 CHF 2.22 CHF 2.18 CHF 2.05 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: CHF 6.07 159In Stock 1’000Expected 5/10/2027	Mfr. Part No. M41T83ZMY6F Mouser Part No 511-M41T83ZMY6F	STMicroelectronics	Real Time Clock Serial I2C bus RTC	Datasheet	159In Stock 1’000Expected 5/10/2027	Cut Tape CHF 6.07 CHF 4.69 CHF 4.34 CHF 3.96 CHF 3.68 Reel CHF 3.49 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: CHF 8.28 42In Stock 1’000Expected 11/16/2026	Mfr. Part No. M41T93SMY6F Mouser Part No 511-M41T93SMY6F	STMicroelectronics	Real Time Clock Serial SPI bus RTC	Datasheet	42In Stock 1’000Expected 11/16/2026	Cut Tape CHF 8.28 CHF 6.45 CHF 5.99 CHF 5.29 View Reel CHF 4.97 CHF 5.08 CHF 4.97 CHF 4.97 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: CHF 7.12 165In Stock	Mfr. Part No. M41T93SQA6F Mouser Part No 511-M41T93SQA6F	STMicroelectronics	Real Time Clock Serial SPI bus RTC	Datasheet	165In Stock	Cut Tape CHF 7.12 CHF 5.50 CHF 5.10 CHF 4.66 Reel CHF 3.89 View CHF 4.37 CHF 4.12 CHF 3.82 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) 70ns M48T35Y-70PC1 STMicroelectronics 1: CHF 41.15 5In Stock 480Expected 10/29/2026	Mfr. Part No. M48T35Y-70PC1 Mouser Part No 511-M48T35Y70PC1	STMicroelectronics	Real Time Clock 256K (32Kx8) 70ns	Datasheet	5In Stock 480Expected 10/29/2026	CHF 41.15 CHF 33.32 CHF 31.26 CHF 29.76 CHF 28.30	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	M48T35Y	Through Hole	Tube
Real Time Clock Serial 64 (8X8) M41T00M6F STMicroelectronics 1: CHF 3.39 9’523On Order	Mfr. Part No. M41T00M6F Mouser Part No 511-M41T00M6F	STMicroelectronics	Real Time Clock Serial 64 (8X8)	Datasheet	9’523On Order On Order Ship Dates Mfr. No: M41T00M6F Stock: 0 On Order: 4’523 Expected 5/3/2027 5’000 Expected 10/25/2027 Factory Lead Time: 30 Weeks	Cut Tape CHF 3.39 CHF 2.56 CHF 2.36 CHF 2.13 View Reel CHF 1.75 CHF 2.02 CHF 1.97 CHF 1.75 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 Serial 512 (64x8) M41T56M6F STMicroelectronics 1: CHF 2.52 22’786On Order	Mfr. Part No. M41T56M6F Mouser Part No 511-M41T56M6F	STMicroelectronics	Real Time Clock Serial 512 (64x8)	Datasheet	22’786On Order On Order Ship Dates Mfr. No: M41T56M6F Stock: 0 On Order: 2’786 Expected 3/8/2027 12’500 Expected 4/5/2027 2’500 Expected 9/13/2027 5’000 Expected 10/4/2027 Factory Lead Time: 30 Weeks	Cut Tape CHF 2.52 CHF 1.92 CHF 1.74 CHF 1.58 View Reel CHF 1.27 CHF 1.52 CHF 1.47 CHF 1.43 CHF 1.27 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 Battery Swtchovr-RTC M41T83RQA6F STMicroelectronics 1: CHF 3.73 19’185On Order	Mfr. Part No. M41T83RQA6F Mouser Part No 511-M41T83RQA6F	STMicroelectronics	Real Time Clock Battery Swtchovr-RTC	Datasheet	19’185On Order On Order Ship Dates Mfr. No: M41T83RQA6F Stock: 0 On Order: 185 Expected 12/16/2026 8’000 Expected 12/28/2026 11’000 Expected 4/7/2027 Factory Lead Time: 30 Weeks	Cut Tape CHF 3.73 CHF 2.86 CHF 2.62 CHF 2.41 View Reel CHF 2.05 CHF 2.30 CHF 2.27 CHF 2.05 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	2.7 V	5.5 V	- 40 C	+ 85 C	M41T83	SMD/SMT	Reel, Cut Tape, MouseReel
Real Time Clock Serial Access Real Time Clock M41T81SMY6F STMicroelectronics 1: CHF 8.12 2’000Expected 6/14/2027	Mfr. Part No. M41T81SMY6F Mouser Part No 511-M41T81SMY6F	STMicroelectronics	Real Time Clock Serial Access Real Time Clock	Datasheet	2’000Expected 6/14/2027	Cut Tape CHF 8.12 CHF 6.33 CHF 5.88 CHF 5.38 CHF 5.19 Reel CHF 4.90 MouseReel Available	Min.: 1 Mult.: 1 : 1’000	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	M41T81S	SMD/SMT	Reel, Cut Tape, MouseReel
Real Time Clock 256K (32Kx8) 70ns M48T37Y-70MH1F STMicroelectronics 1: CHF 16.51 28In Stock	Mfr. Part No. M48T37Y-70MH1F Mouser Part No 511-M48T37Y-70MH1F	STMicroelectronics	Real Time Clock 256K (32Kx8) 70ns	Datasheet	28In Stock	Cut Tape CHF 16.51 CHF 14.19 CHF 13.26 CHF 11.75 View Reel CHF 10.85 CHF 11.46 CHF 10.87 CHF 10.85 Quote MouseReel Available	Min.: 1 Mult.: 1 : 936	Parallel	YY-MM-DD-dd	HH:MM:SS (24 hr)	SOIC-44	Backup Switching	4.5 V	5.5 V	0 C	+ 70 C	M48T37Y	SMD/SMT	Reel, Cut Tape, MouseReel
Real Time Clock SERIAL RTC W/AUDIO M41T00AUDD1F STMicroelectronics 3’000: CHF 5.75 Non-Stocked Lead-Time 30 Weeks	Mfr. Part No. M41T00AUDD1F Mouser Part No 511-M41T00AUDD1F	STMicroelectronics	Real Time Clock SERIAL RTC W/AUDIO	Datasheet	Non-Stocked Lead-Time 30 Weeks	Reel CHF 5.75	Min.: 3’000 Mult.: 3’000 : 3’000	Serial 2-Wire, I2C	YY-MM-DD-dd	HH:MM:SS (24 hr)	DFN-16	Backup Switching	3 V	3.6 V	0 C	+ 70 C	M41T00AUD	SMD/SMT	Reel
Real Time Clock Serial I2C bus RTC M41T83ZQA6F STMicroelectronics 1: CHF 5.64 Non-Stocked Lead-Time 30 Weeks	Mfr. Part No. M41T83ZQA6F Mouser Part No 511-M41T83ZQA6F	STMicroelectronics	Real Time Clock Serial I2C bus RTC	Datasheet	Non-Stocked Lead-Time 30 Weeks	Cut Tape CHF 5.64 CHF 4.45 CHF 4.02 CHF 3.66 View Reel CHF 3.30 CHF 3.49 CHF 3.48 CHF 3.30 MouseReel Available	Min.: 1 Mult.: 1 : 1’000	Serial		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