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STMicroelectronics SMD/SMT Real Time Clock

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Image	Part #	Mfr.	Description	Datasheet	Availability	Pricing (USD) 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: $41.13 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 $41.13 $33.30 $31.34 $30.04 View Reel $27.13 $28.16 $27.15 $27.13 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 Low-Pwr serial RTC W/ battry switchover M41T01M6F STMicroelectronics 1: $3.91 2,330In 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	2,330In Stock	Cut Tape $3.91 $2.95 $2.71 $2.45 Reel $1.91 View $2.32 $2.29 $2.21 $1.90 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: $7.75 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 $7.75 $6.13 $5.54 $5.05 View Reel $4.40 $4.77 $4.76 $4.40 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 512 (64x8) M41ST85WMX6TR STMicroelectronics 1: $10.82 2,197In Stock	Mfr. Part No. M41ST85WMX6TR Mouser Part No 511-M41ST85WMX6TR	STMicroelectronics	Real Time Clock Serial 512 (64x8)	Datasheet	2,197In Stock	Cut Tape $10.82 $8.45 $7.78 $7.14 View Reel $6.55 $6.83 $6.76 $6.55 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: $10.67 5,929In Stock	Mfr. Part No. M41T93RMY6F Mouser Part No 511-M41T93RMY6F	STMicroelectronics	Real Time Clock Serial SPI bus RTC	Datasheet	5,929In Stock	Cut Tape $10.67 $8.33 $7.75 $7.11 View Reel $6.45 $6.80 $6.73 $6.45 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: $11.09 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 $11.09 $8.76 $8.15 $7.48 Reel $6.56 View $7.25 $6.82 $6.35 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) 70ns M48T58Y-70MH1F STMicroelectronics 1: $23.54 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 $23.54 $18.84 $17.66 $16.37 View Reel $15.12 $16.02 $15.12 $15.12 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: $10.37 565In Stock	Mfr. Part No. M41ST85WMH6F Mouser Part No 511-M41ST85WMH6F	STMicroelectronics	Real Time Clock Serial 512 (64x8)	Datasheet	565In Stock	Cut Tape $10.37 $8.09 $7.52 $6.89 Reel $6.13 View $6.57 $6.35 $5.98 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: $10.87 1,148In Stock	Mfr. Part No. M41ST87WMX6TR Mouser Part No 511-M41ST87WMX6TR	STMicroelectronics	Real Time Clock Serial 1280 (160x8)	Datasheet	1,148In Stock	Cut Tape $10.87 $8.49 $7.90 $7.24 View Reel $6.48 $6.94 $6.86 $6.48 Quote 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: $4.27 788In 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	788In Stock 5,000Expected 25/11/2026	Cut Tape $4.27 $3.23 $2.97 $2.68 View Reel $2.30 $2.54 $2.51 $2.42 $2.30 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: $4.70 1,876In Stock 12,500On Order	Mfr. Part No. M41T0M6F Mouser Part No 511-M41T0M6F	STMicroelectronics	Real Time Clock Serial 64 (8X8)	Datasheet	1,876In Stock 12,500On Order On Order Ship Dates Mfr. No: M41T0M6F Stock: 1,876 Can Dispatch Immediately On Order: 5,000 Expected 22/12/2026 7,500 Expected 17/05/2027 Factory Lead Time: 30 Weeks	Cut Tape $4.70 $3.57 $3.29 $2.98 View Reel $2.49 $2.83 $2.78 $2.49 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: $3.61 1,784In Stock 2,500Expected 19/04/2027	Mfr. Part No. M41T11M6F Mouser Part No 511-M41T11M6F	STMicroelectronics	Real Time Clock Serial 512 (64x8)	Datasheet	1,784In Stock 2,500Expected 19/04/2027	Cut Tape $3.61 $2.72 $2.49 $2.24 Reel $1.89 View $2.11 $2.07 $1.96 $1.81 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: $10.19 1,380In Stock	Mfr. Part No. M41T11MH6F Mouser Part No 511-M41T11MH6F	STMicroelectronics	Real Time Clock Serial 512 (64x8)	Datasheet	1,380In Stock	Cut Tape $10.19 $7.93 $7.37 $6.74 Reel $6.02 View $6.40 $6.03 $5.64 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: $5.75 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 $5.75 $4.45 $4.08 $3.72 View Reel $3.33 $3.52 $3.41 $3.36 $3.33 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 2.0-5.5V 512 (64x8) M41T81SM6F STMicroelectronics 1: $2.99 3,155In Stock 17,500On Order	Mfr. Part No. M41T81SM6F Mouser Part No 511-M41T81SM6F	STMicroelectronics	Real Time Clock 2.0-5.5V 512 (64x8)	Datasheet	3,155In Stock 17,500On Order On Order Ship Dates Mfr. No: M41T81SM6F Stock: 3,155 Can Dispatch Immediately On Order: 7,500 Expected 19/07/2027 10,000 Expected 18/10/2027 Factory Lead Time: 30 Weeks	Cut Tape $2.99 $2.23 $2.04 $1.84 View Reel $1.58 $1.74 $1.68 $1.67 $1.58 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 M41T82SM6F STMicroelectronics 1: $3.26 3,212In Stock 5,000Expected 08/11/2027	Mfr. Part No. M41T82SM6F Mouser Part No 511-M41T82SM6F	STMicroelectronics	Real Time Clock Serial I2C bus RTC	Datasheet	3,212In Stock 5,000Expected 08/11/2027	Cut Tape $3.26 $2.44 $2.24 $2.01 Reel $1.68 View $1.90 $1.85 $1.80 $1.66 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 SPI RTC 32.768 kHz 365nA 2.0V to 5.5V M41T93RQA6F STMicroelectronics 1: $8.38 879In 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	879In Stock	Cut Tape $8.38 $6.46 $5.98 $5.46 Reel $4.89 View $5.05 $4.82 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: $10.96 757In Stock	Mfr. Part No. M41T93ZMY6F Mouser Part No 511-M41T93ZMY6F	STMicroelectronics	Real Time Clock Serial SPI bus RTC	Datasheet	757In Stock	Cut Tape $10.96 $8.56 $7.96 $7.30 View Reel $6.45 $6.99 $6.73 $6.45 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
Real Time Clock Serial 512 (64x8) M41T94MQ6F STMicroelectronics 1: $5.48 2,618In Stock 5,000Expected 28/04/2027	Mfr. Part No. M41T94MQ6F Mouser Part No 511-M41T94MQ6F	STMicroelectronics	Real Time Clock Serial 512 (64x8)	Datasheet	2,618In Stock 5,000Expected 28/04/2027	Cut Tape $5.48 $4.18 $3.86 $3.50 View Reel $3.01 $3.33 $3.26 $3.23 $3.01 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 256K (32Kx8) 70ns M48T35Y-70MH1F STMicroelectronics 1: $24.20 235In Stock	Mfr. Part No. M48T35Y-70MH1F Mouser Part No 511-M48T35Y-70MH1F	STMicroelectronics	Real Time Clock 256K (32Kx8) 70ns	Datasheet	235In Stock	Cut Tape $24.20 $19.38 $18.17 $16.85 View Reel $15.46 $16.49 $15.47 $15.46 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 128 NVRAM Serial RTC 3.0 to 3.6 Vcc M41ST87WSS6F STMicroelectronics 1: $7.82 32In 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	32In Stock 1,350On Order	Cut Tape $7.82 $6.05 $5.60 $5.07 View Reel $4.58 $4.76 $4.75 $4.58 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: $3.23 1,692In Stock 5,000Expected 23/08/2027	Mfr. Part No. M41T81M6F Mouser Part No 511-M41T81M6F	STMicroelectronics	Real Time Clock Serial 512 (64x8)	Datasheet	1,692In Stock 5,000Expected 23/08/2027	Cut Tape $3.23 $2.42 $2.21 $1.99 View Reel $1.60 $1.88 $1.82 $1.81 $1.60 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 Serial I2C bus RTC M41T82ZM6F STMicroelectronics 1: $3.55 5,166In Stock 12,500Expected 25/10/2027	Mfr. Part No. M41T82ZM6F Mouser Part No 511-M41T82ZM6F	STMicroelectronics	Real Time Clock Serial I2C bus RTC	Datasheet	5,166In Stock 12,500Expected 25/10/2027	Cut Tape $3.55 $2.67 $2.45 $2.20 Reel $1.94 View $2.08 $2.03 $1.97 $1.91 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 I2C bus RTC M41T83RMY6F STMicroelectronics 1: $5.46 334In Stock	Mfr. Part No. M41T83RMY6F Mouser Part No 511-M41T83RMY6F	STMicroelectronics	Real Time Clock Serial I2C bus RTC	Datasheet	334In Stock	Cut Tape $5.46 $4.22 $3.90 $3.55 Reel $3.19 View $3.39 $3.32 $3.13 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: $5.21 63In Stock 1,000Expected 23/11/2026	Mfr. Part No. M41T83SMY6F Mouser Part No 511-M41T83SMY6F	STMicroelectronics	Real Time Clock Serial I2C bus RTC	Datasheet	63In Stock 1,000Expected 23/11/2026	Cut Tape $5.21 $3.96 $3.65 $3.25 View Reel $2.91 $3.09 $3.04 $2.91 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