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3 V 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 I C RTC with 56-Byte NV RAM DS1338Z-33+ Analog Devices / Maxim Integrated 1: $6.64 23,420In Stock	Mfr. Part No. DS1338Z-33+ Mouser Part No 700-DS1338Z-33	Analog Devices / Maxim Integrated	Real Time Clock I C RTC with 56-Byte NV RAM	Datasheet	23,420In Stock	$6.64 $5.09 $4.70 $4.27 View $4.06 $3.94 $3.90 $3.85	Min.: 1 Mult.: 1	I2C	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	DS1338Z	SMD/SMT	Tube
Real Time Clock Low-Current I C RTC with 56-Byte NV RAM DS1308U-33+T Analog Devices / Maxim Integrated 1: $6.45 1,732In Stock	Mfr. Part No. DS1308U-33+T Mouser Part No 700-DS1308U-33+T	Analog Devices / Maxim Integrated	Real Time Clock Low-Current I C RTC with 56-Byte NV RAM Learn More about Analog Devices / Maxim Integrated maxim ds1308	Datasheet	1,732In Stock	Cut Tape $6.45 $4.94 $4.57 $4.15 View $3.96 $3.84 $3.79 $3.74 MouseReel Available	Min.: 1 Mult.: 1	Serial 2-Wire, I2C	YY-MM-DD-dd	HH:MM:SS:hh (12 hr, 24 hr)	uSOP-8	Backup Switching	3 V	5.5 V	- 40 C	+ 85 C	DS1308U	SMD/SMT	Reel, Cut Tape, MouseReel
Real Time Clock Phantom Time Chip DS1315EN-33+ Analog Devices / Maxim Integrated 1: $38.58 80In Stock	Mfr. Part No. DS1315EN-33+ Mouser Part No 700-DS1315EN-33	Analog Devices / Maxim Integrated	Real Time Clock Phantom Time Chip	Datasheet	80In Stock	$38.58 $31.24 $29.40 $28.18 View $26.42 Quote	Min.: 1 Mult.: 1	Phantom Clock	YY-MM-DD-dd	HH:MM:SS:hh (12 hr, 24 hr)	TSSOP-20	Backup Switching	3 V	3.6 V	- 40 C	+ 85 C	DS1315EN	SMD/SMT	Tube
Real Time Clock Phantom Time Chip DS1315S-33+ Analog Devices / Maxim Integrated 1: $34.08 65In Stock	Mfr. Part No. DS1315S-33+ Mouser Part No 700-DS1315S-33	Analog Devices / Maxim Integrated	Real Time Clock Phantom Time Chip	Datasheet	65In Stock	$34.08 $27.59 $25.97 $24.89 View $23.33 Quote	Min.: 1 Mult.: 1	Phantom Clock	YY-MM-DD-dd	HH:MM:SS:hh (12 hr, 24 hr)	SO-16	Backup Switching	3 V	3.6 V	0 C	+ 70 C	DS1315S	SMD/SMT	Tube
Real Time Clock Serial RTC A 595-BQ3 2000DR A 595-BQ3200 A 595-BQ32000DR BQ32000D Texas Instruments 1: $2.29 673In Stock	Mfr. Part No. BQ32000D Mouser Part No 595-BQ32000D	Texas Instruments	Real Time Clock Serial RTC A 595-BQ3 2000DR A 595-BQ3200 A 595-BQ32000DR	Datasheet	673In Stock	$2.29 $1.92 $1.74 $1.49 View $1.45 $1.44 $1.41 $1.39	Min.: 1 Mult.: 1	Serial	YY-MM-DD-dd	HH:MM:SS:hh (12 hr, 24 hr)	SOIC-8	Backup Switching	3 V	3.6 V	- 40 C	+ 85 C	BQ32000	SMD/SMT	Tube
Real Time Clock Low-Current SPI/3-Wire RTCs DS1343E-33+ Analog Devices / Maxim Integrated 1: $8.17 155In Stock	Mfr. Part No. DS1343E-33+ Mouser Part No 700-DS1343E-33+	Analog Devices / Maxim Integrated	Real Time Clock Low-Current SPI/3-Wire RTCs Learn More about Analog Devices / Maxim Integrated maximds1343	Datasheet	155In Stock	$8.17 $6.30 $5.83 $5.31 View $4.92 $4.91 $4.76 $4.53	Min.: 1 Mult.: 1	Serial 3-Wire, SPI	YY-MM-DD-dd	HH:MM:SS:hh (12 hr, 24 hr)	TSSOP-20	Backup Switching	3 V	5.5 V	- 40 C	+ 85 C	DS1343E	SMD/SMT	Tube
Real Time Clock I C RTC with 56-Byte NV RAM DS1338C-33#T&R Analog Devices / Maxim Integrated 1: $11.54 1,265In Stock	Mfr. Part No. DS1338C-33#T&R Mouser Part No 700-DS1338C-33#T&R-	Analog Devices / Maxim Integrated	Real Time Clock I C RTC with 56-Byte NV RAM	Datasheet	1,265In Stock	Cut Tape $11.54 $9.01 $8.38 $7.68 $7.57 Reel $6.42 MouseReel Available	Min.: 1 Mult.: 1 : 1,000	I2C	YY-MM-DD-dd	HH:MM:SS:hh (12 hr, 24 hr)	SO-16	Backup Switching	3 V	5.5 V	- 40 C	+ 85 C	DS1338C	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 Serial RTC A 595-BQ3 2000D A 595-BQ32000 A 595-BQ32000D BQ32000DR Texas Instruments 1: $2.32 1,517In Stock 5,000Expected 25/02/2027	Mfr. Part No. BQ32000DR Mouser Part No 595-BQ32000DR	Texas Instruments	Real Time Clock Serial RTC A 595-BQ3 2000D A 595-BQ32000 A 595-BQ32000D	Datasheet	1,517In Stock 5,000Expected 25/02/2027	Cut Tape $2.32 $1.71 $1.56 $1.39 Reel $1.19 View $1.31 $1.27 $1.23 $1.16 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	3 V	3.6 V	- 40 C	+ 85 C	BQ32000	SMD/SMT	Reel, Cut Tape, MouseReel
Real Time Clock SAMAY A 595-BQ32002D A 595-BQ32002D A 59 A 595-BQ32002D BQ32002DR Texas Instruments 1: $1.88 2,903In Stock 7,500Expected 31/12/2026	Mfr. Part No. BQ32002DR Mouser Part No 595-BQ32002DR	Texas Instruments	Real Time Clock SAMAY A 595-BQ32002D A 595-BQ32002D A 59 A 595-BQ32002D	Datasheet	2,903In Stock 7,500Expected 31/12/2026	Cut Tape $1.88 $1.51 $1.38 $1.23 View Reel $1.03 $1.15 $1.11 $1.10 $1.03 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	3 V	3.6 V	- 40 C	+ 85 C	BQ32002	SMD/SMT	Reel, Cut Tape, MouseReel
Real Time Clock I C RTC with 56-Byte NV RAM DS1338C-33# Analog Devices / Maxim Integrated 1: $6.90 751In Stock	Mfr. Part No. DS1338C-33# Mouser Part No 700-DS1338C-33#	Analog Devices / Maxim Integrated	Real Time Clock I C RTC with 56-Byte NV RAM	Datasheet	751In Stock	$6.90 $6.75 $6.60 $6.47 View $6.37 $6.27 $6.18 Quote	Min.: 1 Mult.: 1	Serial 2-Wire, I2C	YY-MM-DD-dd	HH:MM:SS:hh (12 hr, 24 hr)	SO-16	Backup Switching	3 V	5.5 V	- 40 C	+ 85 C	DS1338C	SMD/SMT	Tube
Real Time Clock Low-Current SPI/3-Wire RTCs DS1343D-33+ Analog Devices / Maxim Integrated 1: $8.23 132In Stock	Mfr. Part No. DS1343D-33+ Mouser Part No 700-DS1343D-33+	Analog Devices / Maxim Integrated	Real Time Clock Low-Current SPI/3-Wire RTCs Learn More about Analog Devices / Maxim Integrated maximds1343	Datasheet	132In Stock	$8.23 $6.34 $5.87 $5.36 View $4.96 $4.80 $4.57	Min.: 1 Mult.: 1	Serial 3-Wire, SPI	YY-MM-DD-dd	HH:MM:SS:hh (12 hr, 24 hr)	TDFN-EP-14	Backup Switching	3 V	5.5 V	- 40 C	+ 85 C	DS1343D	SMD/SMT	Tube
Real Time Clock Low-Current SPI/3-Wire RTCs DS1344D-33+T&R Analog Devices / Maxim Integrated 1: $4.54 917In Stock	Mfr. Part No. DS1344D-33+T&R Mouser Part No 700-DS1344D-33+T&R	Analog Devices / Maxim Integrated	Real Time Clock Low-Current SPI/3-Wire RTCs Learn More about Analog Devices / Maxim Integrated maximds1343	Datasheet	917In Stock	Cut Tape $4.54 $4.44 $4.34 $4.25 View $4.19 $4.13 $4.06 $4.00 MouseReel Available	Min.: 1 Mult.: 1	Serial 3-Wire, SPI	YY-MM-DD-dd	HH:MM:SS:hh (12 hr, 24 hr)	TDFN-EP-14	Backup Switching	3 V	5.5 V	- 40 C	+ 85 C	DS1344D	SMD/SMT	Reel, Cut Tape, MouseReel
Real Time Clock Y2K-Compliant Watchdog Real-Time Clocks DS1501WZ+ Analog Devices / Maxim Integrated 1: $18.81 36In Stock	Mfr. Part No. DS1501WZ+ Mouser Part No 700-DS1501WZ	Analog Devices / Maxim Integrated	Real Time Clock Y2K-Compliant Watchdog Real-Time Clocks	Datasheet	36In Stock	$18.81 $15.25 $12.95 $12.77 View $12.26 $12.04 Quote	Min.: 1 Mult.: 1	Parallel	YYYY-MM-DD	HH:MM:SS (24 hr)	SO-28		3 V	3.6 V	0 C	+ 70 C	DS1501WZ+	SMD/SMT	Tube
Real Time Clock Y2K-Compliant Watchdog Real-Time Clocks DS1511W+ Analog Devices / Maxim Integrated 1: $39.62 48In Stock	Mfr. Part No. DS1511W+ Mouser Part No 700-DS1511W	Analog Devices / Maxim Integrated	Real Time Clock Y2K-Compliant Watchdog Real-Time Clocks	Datasheet	48In Stock	$39.62 $32.08 $30.18 $28.94 View $27.13 Quote	Min.: 1 Mult.: 1	Parallel	YY-MM-DD-dd	HH:MM:SS (24 hr)	EDIP-28	Backup Switching	3 V	3.6 V	0 C	+ 70 C	DS1511W	Through Hole	Tube
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
Real Time Clock Serial I2C bus RTC M41T83SQA6F STMicroelectronics 1: $4.52 60In Stock 5,000Expected 29/03/2027	Mfr. Part No. M41T83SQA6F Mouser Part No 511-M41T83SQA6F	STMicroelectronics	Real Time Clock Serial I2C bus RTC	Datasheet	60In Stock 5,000Expected 29/03/2027	Cut Tape $4.52 $3.43 $3.16 $2.80 View Reel $2.50 $2.66 $2.60 $2.50 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 SPI bus RTC M41T93SMY6F STMicroelectronics 1: $10.29 21In Stock 1,000Expected 03/12/2026	Mfr. Part No. M41T93SMY6F Mouser Part No 511-M41T93SMY6F	STMicroelectronics	Real Time Clock Serial SPI bus RTC	Datasheet	21In Stock 1,000Expected 03/12/2026	Cut Tape $10.29 $8.01 $7.44 $6.57 View Reel $6.17 $6.31 $6.18 $6.17 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: $8.31 165In Stock	Mfr. Part No. M41T93SQA6F Mouser Part No 511-M41T93SQA6F	STMicroelectronics	Real Time Clock Serial SPI bus RTC	Datasheet	165In Stock	Cut Tape $8.31 $6.84 $6.15 $5.67 Reel $4.73 View $5.18 $5.08 $4.60 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	3 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: $25.10 56In Stock	Mfr. Part No. M48T37V-10MH1F Mouser Part No 511-M48T37V-10MH1F	STMicroelectronics	Real Time Clock 256K (32Kx8) 100ns	Datasheet	56In Stock	Cut Tape $25.10 $20.06 $18.81 $17.43 View Reel $16.37 $16.77 $16.37 $16.37 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 SAMAY A 595-BQ32002D R A 595-BQ32002DR A A 595-BQ32002DR BQ32002D Texas Instruments 1: $2.36 329In Stock 1,500Expected 23/11/2026	Mfr. Part No. BQ32002D Mouser Part No 595-BQ32002D	Texas Instruments	Real Time Clock SAMAY A 595-BQ32002D R A 595-BQ32002DR A A 595-BQ32002DR	Datasheet	329In Stock 1,500Expected 23/11/2026	$2.36 $1.75 $1.52 $1.40 View $1.33 $1.29 $1.25 $1.21 $1.16	Min.: 1 Mult.: 1	Serial 2-Wire, I2C	YY-MM-DD-dd	HH:MM:SS (24 hr)	SOIC-8	Backup Switching	3 V	3.6 V	- 40 C	+ 85 C	BQ32002	SMD/SMT	Tube
Real Time Clock Low-Current I C RTC with 56-Byte NV RAM DS1308U-33+ Analog Devices / Maxim Integrated 1: $6.45 116In Stock	Mfr. Part No. DS1308U-33+ Mouser Part No 700-DS1308U-33+	Analog Devices / Maxim Integrated	Real Time Clock Low-Current I C RTC with 56-Byte NV RAM Learn More about Analog Devices / Maxim Integrated maxim ds1308	Datasheet	116In Stock	$6.45 $4.94 $4.53 $4.14 View $3.95 $3.79 $3.73 $3.67 Quote	Min.: 1 Mult.: 1	I2C	YY-MM-DD-dd	HH:MM:SS:hh (12 hr, 24 hr)	uSOP-8	Backup Switching	3 V	5.5 V	- 40 C	+ 85 C	DS1308U	SMD/SMT	Tube
Real Time Clock I C RTC with 56-Byte NV RAM DS1338U-33+ Analog Devices / Maxim Integrated 1: $6.23 347In Stock	Mfr. Part No. DS1338U-33+ Mouser Part No 700-DS1338U-33	Analog Devices / Maxim Integrated	Real Time Clock I C RTC with 56-Byte NV RAM	Datasheet	347In Stock	$6.23 $5.09 $4.32 $4.27 View $4.06 $3.94 $3.90 $3.85	Min.: 1 Mult.: 1	I2C	YY-MM-DD-dd	HH:MM:SS:hh (12 hr, 24 hr)	uSOP-8	Backup Switching	3 V	5.5 V	- 40 C	+ 85 C	DS1338U	SMD/SMT	Tube
Real Time Clock I C RTC with 56-Byte NV RAM DS1338Z-33+T&R Analog Devices / Maxim Integrated 1: $6.64 146In Stock	Mfr. Part No. DS1338Z-33+T&R Mouser Part No 700-DS1338Z-33T&R	Analog Devices / Maxim Integrated	Real Time Clock I C RTC with 56-Byte NV RAM	Datasheet	146In Stock	Cut Tape $6.64 $5.09 $4.70 $4.28 $4.19 $3.59 MouseReel Available	Min.: 1 Mult.: 1	Serial 2-Wire, I2C	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	DS1338Z	SMD/SMT	Reel, Cut Tape, MouseReel
Real Time Clock Low-Current SPI/3-Wire RTCs DS1344E-33+ Analog Devices / Maxim Integrated 1: $8.24 49In Stock	Mfr. Part No. DS1344E-33+ Mouser Part No 700-DS1344E-33+	Analog Devices / Maxim Integrated	Real Time Clock Low-Current SPI/3-Wire RTCs Learn More about Analog Devices / Maxim Integrated maximds1343	Datasheet	49In Stock	$8.24 $6.35 $5.88 $5.36 View $4.96 $4.80 $4.57	Min.: 1 Mult.: 1	Serial 3-Wire, SPI	YY-MM-DD-dd	HH:MM:SS:hh (12 hr, 24 hr)	TSSOP-20	Backup Switching	3 V	5.5 V	- 40 C	+ 85 C	DS1344E	SMD/SMT	Tube