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Real Time Clock

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Image	Part #	Mfr.	Description	Datasheet	Availability	Pricing (CLP) 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: $6.243 2.659In Stock 5.000Expected 4/28/2027	Mfr. Part # M41T94MQ6F Mouser Part # 511-M41T94MQ6F	STMicroelectronics	Real Time Clock Serial 512 (64x8)	Datasheet	2.659In Stock 5.000Expected 4/28/2027	Cut Tape $6.243 $4.762 $4.398 $3.987 View Reel $3.429 $3.794 $3.714 $3.680 $3.429 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: $35.659 646In Stock	Mfr. Part # M48T02-150PC1 Mouser Part # 511-M48T0215PC1	STMicroelectronics	Real Time Clock 16K (2Kx8) 150ns	Datasheet	646In Stock	$35.659 $28.345 $25.919 $24.551 $23.617	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: $34.144 430In Stock	Mfr. Part # M48T02-70PC1 Mouser Part # 511-M48T0270PC1	STMicroelectronics	Real Time Clock 16K (2Kx8) 70ns	Datasheet	430In Stock	$34.144 $27.115 $25.588 $23.754 View $22.922 $22.113 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: $44.546 218In Stock 480Expected 10/29/2026	Mfr. Part # M48T08-150PC1 Mouser Part # 511-M48T0815PC1	STMicroelectronics	Real Time Clock 64K (8Kx8) 150ns	Datasheet	218In Stock 480Expected 10/29/2026	$44.546 $35.899 $33.700 $32.515 View $30.259 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: $62.239 236In Stock	Mfr. Part # M48T35-70PC1 Mouser Part # 511-M48T3570PC1	STMicroelectronics	Real Time Clock 256K (32Kx8) 70ns	Datasheet	236In Stock	$62.239 $50.641 $47.553 $44.865 View $44.842 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: $27.570 520In Stock	Mfr. Part # M48T35Y-70MH1F Mouser Part # 511-M48T35Y-70MH1F	STMicroelectronics	Real Time Clock 256K (32Kx8) 70ns	Datasheet	520In Stock	Cut Tape $27.570 $22.079 $20.701 $19.197 View Reel $17.613 $18.787 $17.625 $17.613 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: $54.526 179In Stock	Mfr. Part # M48T58-70PC1 Mouser Part # 511-M48T5870PC1	STMicroelectronics	Real Time Clock 64K (8Kx8) 70ns	Datasheet	179In Stock	$54.526 $44.363 $41.686 $40.775 View $38.359 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: $42.541 418In Stock	Mfr. Part # M48T58Y-70PC1 Mouser Part # 511-M48T58Y70PC1	STMicroelectronics	Real Time Clock 64K (8Kx8) 70ns	Datasheet	418In Stock	$42.541 $34.258 $32.139 $30.533 View $29.143 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: $8.852 23In Stock 1.350On Order	Mfr. Part # M41ST87WSS6F Mouser Part # 511-M41ST87WSS6F	STMicroelectronics	Real Time Clock 128 NVRAM Serial RTC 3.0 to 3.6 Vcc	Datasheet	23In Stock 1.350On Order	Cut Tape $8.852 $6.836 $6.323 $5.776 Reel $4.956 View $5.423 $5.412 $4.705 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: $3.463 44In Stock 5.000Expected 8/23/2027	Mfr. Part # M41T81M6F Mouser Part # 511-M41T81M6F	STMicroelectronics	Real Time Clock Serial 512 (64x8)	Datasheet	44In Stock 5.000Expected 8/23/2027	Cut Tape $3.463 $2.598 $2.381 $2.142 View Reel $1.698 $2.028 $1.925 $1.834 $1.698 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: $3.293 94In Stock 25.000On Order	Mfr. Part # M41T81SM6F Mouser Part # 511-M41T81SM6F	STMicroelectronics	Real Time Clock 2.0-5.5V 512 (64x8)	Datasheet	94In Stock 25.000On Order On Order Ship Dates Mfr. #: M41T81SM6F Stock: 94 Can Ship Immediately On Order: 7.500 Expected 10/29/2026 7.500 Expected 7/19/2027 10.000 Expected 11/1/2027 Factory Lead-Time: 30 Weeks	Cut Tape $3.293 $2.449 $2.233 $2.005 View Reel $1.709 $1.891 $1.857 $1.754 $1.709 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: $6.266 334In Stock	Mfr. Part # M41T83RMY6F Mouser Part # 511-M41T83RMY6F	STMicroelectronics	Real Time Clock Serial I2C bus RTC	Datasheet	334In Stock	Cut Tape $6.266 $4.774 $4.398 $3.987 Reel $3.623 View $3.794 $3.680 $3.577 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: $5.810 240In Stock 1.000Expected 11/4/2026	Mfr. Part # M41T83SMY6F Mouser Part # 511-M41T83SMY6F	STMicroelectronics	Real Time Clock Serial I2C bus RTC	Datasheet	240In Stock 1.000Expected 11/4/2026	Cut Tape $5.810 $4.432 $4.079 $3.680 Reel $3.008 View $3.498 $3.463 $2.962 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	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: $5.355 60In Stock 5.000Expected 5/10/2027	Mfr. Part # M41T83SQA6F Mouser Part # 511-M41T83SQA6F	STMicroelectronics	Real Time Clock Serial I2C bus RTC	Datasheet	60In Stock 5.000Expected 5/10/2027	Cut Tape $5.355 $4.056 $3.737 $3.304 View Reel $2.905 $3.144 $3.087 $2.905 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: $8.590 159In Stock 1.000Expected 5/10/2027	Mfr. Part # M41T83ZMY6F Mouser Part # 511-M41T83ZMY6F	STMicroelectronics	Real Time Clock Serial I2C bus RTC	Datasheet	159In Stock 1.000Expected 5/10/2027	Cut Tape $8.590 $6.631 $6.141 $5.605 $5.206 Reel $4.944 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: $11.723 42In Stock 1.000Expected 11/16/2026	Mfr. Part # M41T93SMY6F Mouser Part # 511-M41T93SMY6F	STMicroelectronics	Real Time Clock Serial SPI bus RTC	Datasheet	42In Stock 1.000Expected 11/16/2026	Cut Tape $11.723 $9.126 $8.476 $7.485 View Reel $7.029 $7.189 $7.041 $7.029 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: $10.083 165In Stock	Mfr. Part # M41T93SQA6F Mouser Part # 511-M41T93SQA6F	STMicroelectronics	Real Time Clock Serial SPI bus RTC	Datasheet	165In Stock	Cut Tape $10.083 $7.793 $7.223 $6.596 Reel $5.514 View $6.186 $5.833 $5.400 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: $58.240 5In Stock 480Expected 10/29/2026	Mfr. Part # M48T35Y-70PC1 Mouser Part # 511-M48T35Y70PC1	STMicroelectronics	Real Time Clock 256K (32Kx8) 70ns	Datasheet	5In Stock 480Expected 10/29/2026	$58.240 $47.166 $44.249 $42.119 $40.057	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: $4.796 9.523On Order	Mfr. Part # M41T00M6F Mouser Part # 511-M41T00M6F	STMicroelectronics	Real Time Clock Serial 64 (8X8)	Datasheet	9.523On Order On Order Ship Dates Mfr. #: M41T00M6F Stock: 0 On Order: 4.523 Expected 5/3/2027 5.000 Expected 10/25/2027 Factory Lead-Time: 30 Weeks	Cut Tape $4.796 $3.623 $3.338 $3.019 View Reel $2.472 $2.860 $2.791 $2.472 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: $3.566 22.786On Order	Mfr. Part # M41T56M6F Mouser Part # 511-M41T56M6F	STMicroelectronics	Real Time Clock Serial 512 (64x8)	Datasheet	22.786On Order On Order Ship Dates Mfr. #: M41T56M6F Stock: 0 On Order: 15.286 Expected 3/8/2027 2.500 Expected 10/18/2027 5.000 Expected 10/25/2027 Factory Lead-Time: 30 Weeks	Cut Tape $3.566 $2.711 $2.461 $2.244 View Reel $1.800 $2.142 $2.085 $2.028 $1.800 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: $5.275 19.285On Order	Mfr. Part # M41T83RQA6F Mouser Part # 511-M41T83RQA6F	STMicroelectronics	Real Time Clock Battery Swtchovr-RTC	Datasheet	19.285On Order On Order Ship Dates Mfr. #: M41T83RQA6F Stock: 0 On Order: 285 Expected 12/16/2026 8.000 Expected 12/28/2026 11.000 Expected 4/7/2027 Factory Lead-Time: 30 Weeks	Cut Tape $5.275 $4.056 $3.714 $3.418 View Reel $2.905 $3.258 $3.213 $2.905 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: $11.484 2.000Expected 6/14/2027	Mfr. Part # M41T81SMY6F Mouser Part # 511-M41T81SMY6F	STMicroelectronics	Real Time Clock Serial Access Real Time Clock	Datasheet	2.000Expected 6/14/2027	Cut Tape $11.484 $8.955 $8.317 $7.622 $7.348 Reel $6.927 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: $23.367 28In Stock	Mfr. Part # M48T37Y-70MH1F Mouser Part # 511-M48T37Y-70MH1F	STMicroelectronics	Real Time Clock 256K (32Kx8) 70ns	Datasheet	28In Stock	Cut Tape $23.367 $20.085 $18.775 $16.622 View Reel $15.357 $16.212 $15.380 $15.357 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: $8.134 Non-Stocked Lead-Time 30 Weeks	Mfr. Part # M41T00AUDD1F Mouser Part # 511-M41T00AUDD1F	STMicroelectronics	Real Time Clock SERIAL RTC W/AUDIO	Datasheet	Non-Stocked Lead-Time 30 Weeks	Reel $8.134	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: $7.986 Non-Stocked Lead-Time 30 Weeks	Mfr. Part # M41T83ZQA6F Mouser Part # 511-M41T83ZQA6F	STMicroelectronics	Real Time Clock Serial I2C bus RTC	Datasheet	Non-Stocked Lead-Time 30 Weeks	Cut Tape $7.986 $6.289 $5.685 $5.184 View Reel $4.671 $4.944 $4.922 $4.671 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