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Real Time Clock

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Image	Part #	Mfr.	Description	Datasheet	Availability	Pricing (IDR) Filter the results in the table by unit price based on your quantity.	Qty.	RTC Bus Interface	Date Format	Time Format	Memory Size	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: Rp754.571 967In Stock	Mfr. Part No. M48T08Y-10MH1F Mouser Part No 511-M48T08Y-10MH1F	STMicroelectronics	Real Time Clock 64K (8Kx8) 100ns	Datasheet	967In Stock	Cut Tape Rp754.571 Rp610.922 Rp574.964 Rp551.114 View Reel Rp484.701 Rp516.623 Rp498.094 Rp484.701 Quote MouseReel Available	Min.: 1 Mult.: 1 : 936	Parallel	YY-MM-DD-dd	HH:MM:SS (24 hr)	64 kB	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: Rp756.956 864In Stock	Mfr. Part No. M48T12-70PC1 Mouser Part No 511-M48T1270PC1	STMicroelectronics	Real Time Clock 16K (2Kx8) 70ns	Datasheet	864In Stock	Rp756.956 Rp536.621 Rp519.192 Rp494.975 Rp484.334	Min.: 1 Mult.: 1	Parallel	YY-MM-DD-dd	HH:MM:SS (24 hr)	8 kB	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: Rp925.923 408In Stock	Mfr. Part No. M48T18-150PC1 Mouser Part No 511-M48T1815PC1	STMicroelectronics	Real Time Clock 64K (8Kx8) 150ns	Datasheet	408In Stock	Rp925.923 Rp699.350 Rp668.712 Rp657.154 View Rp656.787 Quote	Min.: 1 Mult.: 1	Parallel	YY-MM-DD-dd	HH:MM:SS (24 hr)	8 kB	PCDIP-28	Integrated Battery	4.5 V	5.5 V	0 C	+ 70 C	M48T18	Through Hole	Tube
Real Time Clock 64K (8Kx8) 100ns M48T08-100PC1 STMicroelectronics 1: Rp685.040 1.445In Stock	Mfr. Part No. M48T08-100PC1 Mouser Part No 511-M48T0810PC1	STMicroelectronics	Real Time Clock 64K (8Kx8) 100ns	Datasheet	1.445In Stock	Rp685.040 Rp530.566 Rp501.580 Rp480.115 View Rp459.200 Rp438.653	Min.: 1 Mult.: 1	Parallel	YY-MM-DD-dd	HH:MM:SS (24 hr)	8 kB	PCDIP-28	Integrated Battery	4.75 V	5.5 V	0 C	+ 70 C	M48T08	Through Hole	Tube
Real Time Clock Low-Pwr serial RTC W/ battry switchover M41T01M6F STMicroelectronics 1: Rp71.733 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 Rp71.733 Rp54.121 Rp49.718 Rp44.948 Reel Rp36.509 View Rp42.563 Rp42.012 Rp40.361 Rp35.958 MouseReel Available	Min.: 1 Mult.: 1 : 2.500	Serial 2-Wire, I2C	YY-MM-DD-dd	HH:MM:SS (24 hr)	8 B	SOIC-8	Backup Switching	2 V	5.5 V	- 40 C	+ 85 C	M41T01	SMD/SMT	Reel, Cut Tape, MouseReel
Real Time Clock Serial I2C bus RTC M41T83ZMY6F STMicroelectronics 1: Rp135.760 265In Stock	Mfr. Part No. M41T83ZMY6F Mouser Part No 511-M41T83ZMY6F	STMicroelectronics	Real Time Clock Serial I2C bus RTC	Datasheet	265In Stock	Cut Tape Rp135.760 Rp104.939 Rp97.234 Rp88.611 Reel Rp76.319 View Rp82.007 Rp74.301 MouseReel Available	Min.: 1 Mult.: 1 : 1.000	Serial	YY-MM-DD-dd	HH:MM:SS:hh (12 hr, 24 hr)	32 B		Backup Switching	2.38 V	5.5 V	- 40 C	+ 85 C	M41T83	SMD/SMT	Reel, Cut Tape, MouseReel
Real Time Clock 256K (32Kx8) 100ns M48T37V-10MH1F STMicroelectronics 1: Rp422.875 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 Rp422.875 Rp368.204 Rp330.045 Rp310.781 View Reel Rp281.428 Rp303.076 Rp291.334 Rp281.428 Quote MouseReel Available	Min.: 1 Mult.: 1 : 936	Parallel	YY-MM-DD-dd	HH:MM:SS (24 hr)	256 kB	SOIC-44	Backup Switching	3 V	3.6 V	0 C	+ 70 C	M48T37V	SMD/SMT	Reel, Cut Tape, MouseReel
Real Time Clock Serial SPI bus RTC M41T93ZQA6F STMicroelectronics 1: Rp141.264 1.029In Stock	Mfr. Part No. M41T93ZQA6F Mouser Part No 511-M41T93ZQA6F	STMicroelectronics	Real Time Clock Serial SPI bus RTC	Datasheet	1.029In Stock	Cut Tape Rp141.264 Rp112.461 Rp100.903 Rp92.097 Reel Rp80.172 View Rp86.960 Rp86.777 Rp79.622 Quote MouseReel Available	Min.: 1 Mult.: 1 : 1.000	Serial	YY-MM-DD-dd	HH:MM:SS:hh (12 hr, 24 hr)	32 B		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: Rp148.786 165In Stock	Mfr. Part No. M41T93SQA6F Mouser Part No 511-M41T93SQA6F	STMicroelectronics	Real Time Clock Serial SPI bus RTC	Datasheet	165In Stock	Cut Tape Rp148.786 Rp114.663 Rp106.223 Rp96.867 Reel Rp86.777 View Rp89.712 Rp86.410 Quote MouseReel Available	Min.: 1 Mult.: 1 : 1.000	SPI	YY-MM-DD-dd	HH:MM:SS:hh (12 hr, 24 hr)	32 B	QFN-16	Backup Switching	3 V	5.5 V	- 40 C	+ 85 C	M41T93	SMD/SMT	Reel, Cut Tape, MouseReel
Real Time Clock Serial I2C bus RTC M41T82ZM6F STMicroelectronics 1: Rp65.128 7.927In Stock	Mfr. Part No. M41T82ZM6F Mouser Part No 511-M41T82ZM6F	STMicroelectronics	Real Time Clock Serial I2C bus RTC	Datasheet	7.927In Stock	Cut Tape Rp65.128 Rp48.984 Rp44.948 Rp40.361 Reel Rp35.591 View Rp38.160 Rp37.242 Rp36.142 Rp35.041 MouseReel Available	Min.: 1 Mult.: 1 : 2.500	Serial	YY-MM-DD-dd	HH:MM:SS:hh (12 hr, 24 hr)	32 B	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: Rp195.752 5.229In Stock 1.000Expected 08/10/2026	Mfr. Part No. M41T93RMY6F Mouser Part No 511-M41T93RMY6F	STMicroelectronics	Real Time Clock Serial SPI bus RTC	Datasheet	5.229In Stock 1.000Expected 08/10/2026	Cut Tape Rp195.752 Rp152.822 Rp142.182 Rp130.440 View Reel Rp118.332 Rp124.753 Rp123.469 Rp118.332 Quote MouseReel Available	Min.: 1 Mult.: 1 : 1.000	SPI	YY-MM-DD-dd	HH:MM:SS:hh (12 hr, 24 hr)	32 B	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: Rp861.528 1.361In Stock	Mfr. Part No. M48T18-100PC1 Mouser Part No 511-M48T1810PC1	STMicroelectronics	Real Time Clock 64K (8Kx8) 100ns	Datasheet	1.361In Stock	Rp861.528 Rp696.414 Rp653.668 Rp640.459	Min.: 1 Mult.: 1	Parallel	YY-MM-DD-dd	HH:MM:SS (24 hr)	8 kB	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: Rp429.296 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 Rp429.296 Rp343.254 Rp321.789 Rp298.123 View Reel Rp277.392 Rp288.766 Rp277.392 Rp277.392 Quote MouseReel Available	Min.: 1 Mult.: 1 : 936	Parallel	YY-MM-DD-dd	HH:MM:SS (24 hr)	64 kB	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: Rp190.615 565In Stock	Mfr. Part No. M41ST85WMH6F Mouser Part No 511-M41ST85WMH6F	STMicroelectronics	Real Time Clock Serial 512 (64x8)	Datasheet	565In Stock	Cut Tape Rp190.615 Rp148.603 Rp138.145 Rp126.587 Reel Rp113.195 View Rp120.717 Rp116.497 Rp110.626 Quote MouseReel Available	Min.: 1 Mult.: 1 : 936	Serial	YY-MM-DD-dd	HH:MM:SS:hh (12 hr, 24 hr)	64 B	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: Rp197.953 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 Rp197.953 Rp154.473 Rp143.649 Rp131.724 View Reel Rp117.965 Rp125.120 Rp122.735 Rp117.965 Quote MouseReel Available	Min.: 1 Mult.: 1 : 1.000	Serial	YY-MM-DD-dd	HH:MM:SS:hh (12 hr, 24 hr)	160 B	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: Rp142.548 241In 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	241In Stock 1.350On Order	Cut Tape Rp142.548 Rp110.076 Rp101.820 Rp93.014 Reel Rp79.805 View Rp87.327 Rp87.144 Rp75.769 MouseReel Available	Min.: 1 Mult.: 1 : 1.350	Serial 2-Wire, I2C	YY-MM-DD-dd	HH:MM:SS:hh (12 hr, 24 hr)	160 B	SSOP-20	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: Rp78.337 4.676In 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	4.676In Stock 5.000Expected 25/11/2026	Cut Tape Rp78.337 Rp59.258 Rp54.488 Rp49.167 View Reel Rp42.196 Rp46.599 Rp46.048 Rp44.397 Rp42.196 MouseReel Available	Min.: 1 Mult.: 1 : 2.500	Serial	YYYY-MM-DD	HH:MM:SS (24 hr)	8 B	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: Rp86.226 4.617In Stock 12.500On Order	Mfr. Part No. M41T0M6F Mouser Part No 511-M41T0M6F	STMicroelectronics	Real Time Clock Serial 64 (8X8)	Datasheet	4.617In Stock 12.500On Order On Order Ship Dates Mfr. No: M41T0M6F Stock: 4.617 Can Dispatch Immediately On Order: 5.000 Expected 19/10/2026 7.500 Expected 17/05/2027 Factory Lead Time: 30 Weeks	Cut Tape Rp86.226 Rp65.128 Rp59.808 Rp54.121 View Reel Rp46.599 Rp51.369 Rp51.002 Rp47.883 Rp46.599 Quote MouseReel Available	Min.: 1 Mult.: 1 : 2.500	Serial 2-Wire, I2C	YY-MM-DD-dd	HH:MM:SS (24 hr)	8 B	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: Rp66.229 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 Rp66.229 Rp49.901 Rp45.682 Rp41.095 Reel Rp34.674 View Rp38.710 Rp37.976 Rp35.958 Rp33.206 MouseReel Available	Min.: 1 Mult.: 1 : 2.500	Serial	YY-MM-DD-dd	HH:MM:SS (24 hr)	64 B	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: Rp186.946 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 Rp186.946 Rp145.484 Rp135.210 Rp123.652 Reel Rp110.443 View Rp117.414 Rp110.626 Rp103.471 Quote MouseReel Available	Min.: 1 Mult.: 1 : 936	Serial	YY-MM-DD-dd	HH:MM:SS (24 hr)	64 B	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: Rp105.490 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 Rp105.490 Rp81.640 Rp74.852 Rp68.247 View Reel Rp61.092 Rp64.578 Rp62.560 Rp61.643 Rp61.092 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)	20 B	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: Rp79.438 2.555In Stock 2.500Expected 28/12/2026	Mfr. Part No. M41T82RM6F Mouser Part No 511-M41T82RM6F	STMicroelectronics	Real Time Clock Serial I2C bus RTC	Datasheet	2.555In Stock 2.500Expected 28/12/2026	Cut Tape Rp79.438 Rp59.808 Rp55.038 Rp49.718 Reel Rp42.563 View Rp47.149 Rp46.782 Rp44.030 Rp42.379 MouseReel Available	Min.: 1 Mult.: 1 : 2.500	Serial	YY-MM-DD-dd	HH:MM:SS:hh (12 hr, 24 hr)	32 B	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: Rp59.808 6.653In Stock	Mfr. Part No. M41T82SM6F Mouser Part No 511-M41T82SM6F	STMicroelectronics	Real Time Clock Serial I2C bus RTC	Datasheet	6.653In Stock	Cut Tape Rp59.808 Rp44.764 Rp41.095 Rp36.875 View Reel Rp31.005 Rp34.857 Rp33.940 Rp33.023 Rp31.005 MouseReel Available	Min.: 1 Mult.: 1 : 2.500	Serial	YY-MM-DD-dd	HH:MM:SS:hh (12 hr, 24 hr)	32 B	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: Rp153.739 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 Rp153.739 Rp118.515 Rp109.709 Rp100.169 Reel Rp89.712 View Rp92.647 Rp88.428 Quote MouseReel Available	Min.: 1 Mult.: 1 : 1.000	SPI	YY-MM-DD-dd	HH:MM:SS:hh (12 hr, 24 hr)	32 B	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: Rp195.752 757In Stock	Mfr. Part No. M41T93ZMY6F Mouser Part No 511-M41T93ZMY6F	STMicroelectronics	Real Time Clock Serial SPI bus RTC	Datasheet	757In Stock	Cut Tape Rp195.752 Rp152.822 Rp142.182 Rp130.440 View Reel Rp118.332 Rp124.753 Rp123.469 Rp118.332 Quote MouseReel Available	Min.: 1 Mult.: 1 : 1.000	SPI	YY-MM-DD-dd	HH:MM:SS:hh (12 hr, 24 hr)	32 B	SOX-18	Backup Switching	2.38 V	5.5 V	- 40 C	+ 85 C	M41T93	SMD/SMT	Reel, Cut Tape, MouseReel