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

Real Time Clock

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

Results: 50

Applied Filters:

Manufacturer = Multiple Values

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

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 (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 # M48T08Y-10MH1F Mouser Part # 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 16K (2Kx8) 70ns M48T12-70PC1 STMicroelectronics 1: $41.26 844In Stock	Mfr. Part # M48T12-70PC1 Mouser Part # 511-M48T1270PC1	STMicroelectronics	Real Time Clock 16K (2Kx8) 70ns	Datasheet	844In Stock	$41.26 $30.35 $29.13 $27.99 View $26.98 Quote	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: $50.47 408In Stock	Mfr. Part # M48T18-150PC1 Mouser Part # 511-M48T1815PC1	STMicroelectronics	Real Time Clock 64K (8Kx8) 150ns	Datasheet	408In Stock	$50.47 $38.12 $36.45 $35.78 View $35.63 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 Low-Pwr serial RTC W/ battry switchover M41T01M6F STMicroelectronics 1: $3.91 2,355In Stock	Mfr. Part # M41T01M6F Mouser Part # 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 $3.91 $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 # M41T93ZQA6F Mouser Part # 511-M41T93ZQA6F	STMicroelectronics	Real Time Clock Serial SPI bus RTC	Datasheet	1,019In Stock	Cut Tape $7.75 $6.13 $5.54 $5.05 Reel $4.37 View $4.77 $4.76 $4.34 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 256K (32Kx8) 100ns M48T37V-10MH1F STMicroelectronics 1: $22.51 330In Stock	Mfr. Part # M48T37V-10MH1F Mouser Part # 511-M48T37V-10MH1F	STMicroelectronics	Real Time Clock 256K (32Kx8) 100ns	Datasheet	330In Stock	Cut Tape $22.51 $20.25 $17.67 $16.80 Reel $14.99 View 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 512 (64x8) M41ST85WMX6TR STMicroelectronics 1: $10.82 2,203In Stock	Mfr. Part # M41ST85WMX6TR Mouser Part # 511-M41ST85WMX6TR	STMicroelectronics	Real Time Clock Serial 512 (64x8)	Datasheet	2,203In 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 6,229In Stock	Mfr. Part # M41T93RMY6F Mouser Part # 511-M41T93RMY6F	STMicroelectronics	Real Time Clock Serial SPI bus RTC	Datasheet	6,229In 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 # M41T94MH6F Mouser Part # 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) 100ns M48T08-100PC1 STMicroelectronics 1: $36.36 940In Stock	Mfr. Part # M48T08-100PC1 Mouser Part # 511-M48T0810PC1	STMicroelectronics	Real Time Clock 64K (8Kx8) 100ns	Datasheet	940In Stock	$36.36 $27.28 $26.02 $25.10 View $24.25 $24.18	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 16K (2Kx8) 150ns M48T12-150PC1 STMicroelectronics 1: $44.08 944In Stock	Mfr. Part # M48T12-150PC1 Mouser Part # 511-M48T1215PC1	STMicroelectronics	Real Time Clock 16K (2Kx8) 150ns	Datasheet	944In Stock	$44.08 $35.60 $33.91 $32.87 View $31.59 Quote	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) 100ns M48T18-100PC1 STMicroelectronics 1: $46.96 1,351In Stock	Mfr. Part # M48T18-100PC1 Mouser Part # 511-M48T1810PC1	STMicroelectronics	Real Time Clock 64K (8Kx8) 100ns	Datasheet	1,351In Stock	$46.96 $37.96 $35.63 $34.91	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: $23.40 1,036In Stock	Mfr. Part # M48T58Y-70MH1F Mouser Part # 511-M48T58Y-70MH1F	STMicroelectronics	Real Time Clock 64K (8Kx8) 70ns	Datasheet	1,036In Stock	Cut Tape $23.40 $18.71 $17.54 $16.25 View Reel $15.12 $15.74 $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: $10.39 565In Stock	Mfr. Part # M41ST85WMH6F Mouser Part # 511-M41ST85WMH6F	STMicroelectronics	Real Time Clock Serial 512 (64x8)	Datasheet	565In Stock	Cut Tape $10.39 $8.10 $7.53 $6.90 Reel $6.17 View $6.58 $6.35 $6.03 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: $10.79 1,173In Stock	Mfr. Part # M41ST87WMX6TR Mouser Part # 511-M41ST87WMX6TR	STMicroelectronics	Real Time Clock Serial 1280 (160x8)	Datasheet	1,173In Stock	Cut Tape $10.79 $8.42 $7.83 $7.18 View Reel $6.43 $6.82 $6.69 $6.43 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 4,676In Stock 5,000Expected 11/25/2026	Mfr. Part # M41T00SM6F Mouser Part # 511-M41T00SM6F	STMicroelectronics	Real Time Clock 2.0 to 5.5V 64 (8X8)	Datasheet	4,676In Stock 5,000Expected 11/25/2026	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 2,415In Stock 12,500On Order	Mfr. Part # M41T0M6F Mouser Part # 511-M41T0M6F	STMicroelectronics	Real Time Clock Serial 64 (8X8)	Datasheet	2,415In Stock 12,500On Order On Order Ship Dates Mfr. #: M41T0M6F Stock: 2,415 Can Ship Immediately On Order: 5,000 Expected 12/14/2026 7,500 Expected 5/17/2027 Factory Lead-Time: 30 Weeks	Cut Tape $4.70 $3.55 $3.26 $2.95 View Reel $2.54 $2.80 $2.78 $2.61 $2.54 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 2,067In Stock	Mfr. Part # M41T11M6F Mouser Part # 511-M41T11M6F	STMicroelectronics	Real Time Clock Serial 512 (64x8)	Datasheet	2,067In Stock	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 1,385In Stock	Mfr. Part # M41T11MH6F Mouser Part # 511-M41T11MH6F	STMicroelectronics	Real Time Clock Serial 512 (64x8)	Datasheet	1,385In 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 # M41T80M6F Mouser Part # 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 Serial I2C bus RTC M41T82RM6F STMicroelectronics 1: $4.33 2,402In Stock 2,500Expected 12/28/2026	Mfr. Part # M41T82RM6F Mouser Part # 511-M41T82RM6F	STMicroelectronics	Real Time Clock Serial I2C bus RTC	Datasheet	2,402In Stock 2,500Expected 12/28/2026	Cut Tape $4.33 $3.26 $3.00 $2.71 Reel $2.32 View $2.57 $2.55 $2.40 $2.31 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
Real Time Clock Serial I2C bus RTC M41T82SM6F STMicroelectronics 1: $3.26 4,048In Stock	Mfr. Part # M41T82SM6F Mouser Part # 511-M41T82SM6F	STMicroelectronics	Real Time Clock Serial I2C bus RTC	Datasheet	4,048In Stock	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 Serial I2C bus RTC M41T82ZM6F STMicroelectronics 1: $3.55 5,176In Stock 12,500Expected 10/25/2027	Mfr. Part # M41T82ZM6F Mouser Part # 511-M41T82ZM6F	STMicroelectronics	Real Time Clock Serial I2C bus RTC	Datasheet	5,176In Stock 12,500Expected 10/25/2027	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 SPI RTC 32.768 kHz 365nA 2.0V to 5.5V M41T93RQA6F STMicroelectronics 1: $8.38 1,083In Stock	Mfr. Part # M41T93RQA6F Mouser Part # 511-M41T93RQA6F	STMicroelectronics	Real Time Clock SPI RTC 32.768 kHz 365nA 2.0V to 5.5V	Datasheet	1,083In 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: $10.67 757In Stock	Mfr. Part # M41T93ZMY6F Mouser Part # 511-M41T93ZMY6F	STMicroelectronics	Real Time Clock Serial SPI bus RTC	Datasheet	757In 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	2.38 V	5.5 V	- 40 C	+ 85 C	M41T93	SMD/SMT	Reel, Cut Tape, MouseReel