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Real Time Clock

Real Time Clocks are in stock with same-day shipping at Mouser from industry leading manufacturers. Mouser is an authorized distributor for many real time clock manufacturers including Analog Devices, Epson, Microchip, Micro Crystal, NXP, Renesas Electronics, STMicroelectronics & more.
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Image	Part #	Mfr.	Description	Datasheet	Availability	Pricing (KRW) 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 Low-Current I C RTCs for High-ESR Crystals DS1341T+T&R Analog Devices / Maxim Integrated 1: ₩3,523 156In Stock	Mfr. Part # DS1341T+T&R Mouser Part # 700-DS1341T+T&R	Analog Devices / Maxim Integrated	Real Time Clock Low-Current I C RTCs for High-ESR Crystals Learn More about Analog Devices / Maxim Integrated maxim ds134x	Datasheet	156In Stock	Cut Tape ₩3,523 ₩3,438.4 ₩3,368 ₩3,297.5 View ₩3,255.3 ₩3,198.9 ₩3,156.6 ₩3,100.2 MouseReel Available	Min.: 1 Mult.: 1	Serial 2-Wire, I2C	YY-MM-DD-dd	HH:MM:SS:hh (12 hr, 24 hr)	TDFN-EP-8	No Backup Switching	1.8 V	5.5 V	- 40 C	+ 85 C	DS1341T	SMD/SMT	Reel, Cut Tape, MouseReel
Real Time Clock Low-Current I C RTCs for High-ESR Crystals DS1342T+T&R Analog Devices / Maxim Integrated 1: ₩7,764.7 176In Stock	Mfr. Part # DS1342T+T&R Mouser Part # 700-DS1342T+T&R	Analog Devices / Maxim Integrated	Real Time Clock Low-Current I C RTCs for High-ESR Crystals Learn More about Analog Devices / Maxim Integrated maxim ds134x	Datasheet	176In Stock	Cut Tape ₩7,764.7 ₩5,918.6 ₩5,453.6 ₩4,946.3 ₩4,847.6 ₩4,114.9 MouseReel Available	Min.: 1 Mult.: 1	I2C	YY-MM-DD-dd	HH:MM:SS:hh (12 hr, 24 hr)	TDFN-EP-8	No Backup Switching	1.8 V	5.5 V	- 40 C	+ 85 C	DS1342T	SMD/SMT	Reel, Cut Tape, MouseReel
Real Time Clock Low-Current SPI/3-Wire RTCs DS1343D-33+ Analog Devices / Maxim Integrated 1: ₩11,597.7 132In Stock	Mfr. Part # DS1343D-33+ Mouser Part # 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	₩11,597.7 ₩8,934.3 ₩8,272 ₩7,553.3 View ₩6,989.6 ₩6,764.2 ₩6,440	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: ₩6,397.8 917In Stock	Mfr. Part # DS1344D-33+T&R Mouser Part # 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 ₩6,397.8 ₩6,256.8 ₩6,115.9 ₩5,989.1 View ₩5,904.5 ₩5,820 ₩5,721.4 ₩5,636.8 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 Low-Current SPI/3-Wire RTCs DS1344E-3+ Analog Devices / Maxim Integrated 1: ₩6,397.8 53In Stock	Mfr. Part # DS1344E-3+ Mouser Part # 700-DS1344E-3+	Analog Devices / Maxim Integrated	Real Time Clock Low-Current SPI/3-Wire RTCs Learn More about Analog Devices / Maxim Integrated maximds1343	Datasheet	53In Stock	₩6,397.8 ₩6,256.8 ₩6,115.9 ₩5,989.1 View ₩5,904.5 ₩5,820 ₩5,721.4 ₩5,636.8	Min.: 1 Mult.: 1	Serial 3-Wire, SPI	YY-MM-DD-dd	HH:MM:SS:hh (12 hr, 24 hr)	TSSOP-20	Backup Switching	2.7 V	5.5 V	- 40 C	+ 85 C	DS1344E	SMD/SMT	Tube
Real Time Clock Low-Current, SPI-Compatible Real-Time Cl DS1347T+T&R Analog Devices / Maxim Integrated 1: ₩8,074.7 1,182In Stock	Mfr. Part # DS1347T+T&R Mouser Part # 700-DS1347T+T&R	Analog Devices / Maxim Integrated	Real Time Clock Low-Current, SPI-Compatible Real-Time Cl Learn More about Analog Devices / Maxim Integrated maximds1343	Datasheet	1,182In Stock	Cut Tape ₩8,074.7 ₩6,158.2 ₩5,665 ₩5,143.6 ₩5,044.9 ₩4,269.9 MouseReel Available	Min.: 1 Mult.: 1	SPI	YY-MM-DD-dd	HH:MM:SS:hh (12 hr, 24 hr)	TDFN-EP-8	No Backup Switching	2 V	5.5 V	- 40 C	+ 85 C	DS1347T	SMD/SMT	Reel, Cut Tape, MouseReel
Real Time Clock I C, 32-Bit Binary Counter Watchdog Clock DS1371U+T&R Analog Devices / Maxim Integrated 1: ₩7,750.6 1,004In Stock	Mfr. Part # DS1371U+T&R Mouser Part # 700-DS1371UT&R	Analog Devices / Maxim Integrated	Real Time Clock I C, 32-Bit Binary Counter Watchdog Clock	Datasheet	1,004In Stock	Cut Tape ₩7,750.6 ₩5,904.5 ₩5,453.6 ₩4,946.3 View ₩4,706.7 ₩4,594 ₩4,565.8 ₩4,368.5 Quote MouseReel Available	Min.: 1 Mult.: 1	I2C	Binary	Binary	uSOP-8	No Backup Switching	1.7 V	5.5 V	- 40 C	+ 85 C	DS1371U	SMD/SMT	Reel, Cut Tape, MouseReel
Real Time Clock I C, 32-Bit, Binary Counter Clock with 64-Bit ID DS1372U+T&R Analog Devices / Maxim Integrated 1: ₩7,215.1 597In Stock	Mfr. Part # DS1372U+T&R Mouser Part # 700-DS1372UT&R	Analog Devices / Maxim Integrated	Real Time Clock I C, 32-Bit, Binary Counter Clock with 64-Bit ID	Datasheet	597In Stock	Cut Tape ₩7,215.1 ₩5,495.9 ₩5,059 ₩4,594 ₩4,509.4 ₩3,818.9 MouseReel Available	Min.: 1 Mult.: 1	Serial 2-Wire, I2C	Binary	Binary	uSOP-8	No Backup Switching	2.4 V	5.5 V	- 40 C	+ 85 C	DS1372U+	SMD/SMT	Reel, Cut Tape, MouseReel
Real Time Clock I C, 32-Bit Binary Counter Watchdog RTC with Trickle Charger and Reset Input/Output DS1374C-33#T&R Analog Devices / Maxim Integrated 1: ₩15,698.5 894In Stock	Mfr. Part # DS1374C-33#T&R Mouser Part # 700-DS1374C-33#T&R-	Analog Devices / Maxim Integrated	Real Time Clock I C, 32-Bit Binary Counter Watchdog RTC with Trickle Charger and Reset Input/Output	Datasheet	894In Stock	Cut Tape ₩15,698.5 ₩12,231.9 ₩11,372.2 ₩10,414 View ₩9,977.1 ₩9,850.3 ₩9,455.7 Quote MouseReel Available	Min.: 1 Mult.: 1	Serial 2-Wire, I2C	Binary	Binary	SO-16	Backup Switching	2.97 V	5.5 V	- 40 C	+ 85 C	DS1374C	SMD/SMT	Reel, Cut Tape, MouseReel
Real Time Clock I C RTC/Supervisor with Trickle Charger DS1388Z-33+ Analog Devices / Maxim Integrated 1: ₩12,443.2 572In Stock	Mfr. Part # DS1388Z-33+ Mouser Part # 700-DS1388Z-33	Analog Devices / Maxim Integrated	Real Time Clock I C RTC/Supervisor with Trickle Charger	Datasheet	572In Stock	₩12,443.2 ₩9,638.9 ₩8,948.4 ₩7,595.6 View ₩7,567.4 ₩7,370.1 Quote	Min.: 1 Mult.: 1	I2C	YY-MM-DD-dd	HH:MM:SS:hh (12 hr, 24 hr)	SOIC-8	Backup Switching	2.97 V	3.63 V	- 40 C	+ 85 C	DS1388Z	SMD/SMT	Tube
Real Time Clock Low-Voltage SPI/3-Wire RTCs with Trickle DS1390U-18+ Analog Devices / Maxim Integrated 1: ₩8,469.3 82In Stock	Mfr. Part # DS1390U-18+ Mouser Part # 700-DS1390U-18	Analog Devices / Maxim Integrated	Real Time Clock Low-Voltage SPI/3-Wire RTCs with Trickle	Datasheet	82In Stock	₩8,469.3 ₩6,496.4 ₩5,510 ₩5,453.6 View ₩5,185.9 ₩5,030.8 ₩4,974.5 ₩4,918.1 Quote	Min.: 1 Mult.: 1	SPI	YY-MM-DD-dd	HH:MM:SS:hh (12 hr, 24 hr)	uSOP-10	Backup Switching	1.71 V	1.89 V	- 40 C	+ 85 C	DS1390U	SMD/SMT	Tube
Real Time Clock Low-Voltage SPI/3-Wire RTCs with Trickle DS1391U-33+T&R Analog Devices / Maxim Integrated 1: ₩9,131.6 2,105In Stock	Mfr. Part # DS1391U-33+T&R Mouser Part # 700-DS1391U-33T&R	Analog Devices / Maxim Integrated	Real Time Clock Low-Voltage SPI/3-Wire RTCs with Trickle	Datasheet	2,105In Stock	Cut Tape ₩9,131.6 ₩6,989.6 ₩6,468.2 ₩5,876.4 View ₩5,594.5 ₩5,495.9 ₩5,467.7 ₩5,214 Quote MouseReel Available	Min.: 1 Mult.: 1	SPI	YY-MM-DD-dd	HH:MM:SS:hh (12 hr, 24 hr)	uSOP-10	Backup Switching	2.97 V	5.5 V	- 40 C	+ 85 C	DS1391U	SMD/SMT	Reel, Cut Tape, MouseReel
Real Time Clock Low-Voltage SPI/3-Wire RTCs with Trickle DS1392U-33+ Analog Devices / Maxim Integrated 1: ₩10,822.7 124In Stock	Mfr. Part # DS1392U-33+ Mouser Part # 700-DS1392U-33	Analog Devices / Maxim Integrated	Real Time Clock Low-Voltage SPI/3-Wire RTCs with Trickle	Datasheet	124In Stock	₩10,822.7 ₩8,342.5 ₩7,468.8 ₩7,031.9 View ₩6,510.5 ₩6,496.4 ₩6,313.2 ₩6,003.2	Min.: 1 Mult.: 1	Serial 3-Wire	YY-MM-DD-dd	HH:MM:SS:hh (12 hr, 24 hr)	uSOP-10	Backup Switching	2.97 V	5.5 V	- 40 C	+ 85 C	DS1392U	SMD/SMT	Tube
Real Time Clock Low-Voltage SPI/3-Wire RTCs with Trickle DS1393U-33+ Analog Devices / Maxim Integrated 1: ₩10,822.7 43In Stock	Mfr. Part # DS1393U-33+ Mouser Part # 700-DS1393U-33	Analog Devices / Maxim Integrated	Real Time Clock Low-Voltage SPI/3-Wire RTCs with Trickle	Datasheet	43In Stock	₩10,822.7 ₩8,342.5 ₩7,088.3 ₩7,031.9 View ₩6,510.5 ₩6,313.2 ₩6,003.2	Min.: 1 Mult.: 1	Serial 3-Wire	YY-MM-DD-dd	HH:MM:SS:hh (12 hr, 24 hr)		Backup Switching	2.97 V	5.5 V	- 40 C	+ 85 C	DS1393U	SMD/SMT	Tube
Real Time Clock Y2K-Compliant Watchdog Real-Time Clocks DS1501WZ+ Analog Devices / Maxim Integrated 1: ₩26,507.1 36In Stock	Mfr. Part # DS1501WZ+ Mouser Part # 700-DS1501WZ	Analog Devices / Maxim Integrated	Real Time Clock Y2K-Compliant Watchdog Real-Time Clocks	Datasheet	36In Stock	₩26,507.1 ₩21,490.3 ₩18,249.1 ₩17,995.5 View ₩17,276.8 ₩16,966.8 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 DS1501YZN+ Analog Devices / Maxim Integrated 1: ₩32,186.1 360In Stock	Mfr. Part # DS1501YZN+ Mouser Part # 700-DS1501YZN	Analog Devices / Maxim Integrated	Real Time Clock Y2K-Compliant Watchdog Real-Time Clocks	Datasheet	360In Stock	₩32,186.1 ₩26,436.6 ₩22,462.6 ₩22,335.8 View ₩21,490.3 ₩20,757.5 Quote	Min.: 1 Mult.: 1	Parallel	YY-MM-DD-dd	HH:MM:SS (24 hr)	SO-28	Backup Switching	4.5 V	5.5 V	- 40 C	+ 85 C	DS1501YZN+	SMD/SMT	Tube
Real Time Clock Y2K-Compliant Watchdog Real-Time Clocks DS1511W+ Analog Devices / Maxim Integrated 1: ₩55,832.5 49In Stock	Mfr. Part # DS1511W+ Mouser Part # 700-DS1511W	Analog Devices / Maxim Integrated	Real Time Clock Y2K-Compliant Watchdog Real-Time Clocks	Datasheet	49In Stock	₩55,832.5 ₩45,207.1 ₩42,529.7 ₩40,782.2 View ₩38,231.6 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 256k Nonvolatile, Y2K-Compliant Timekeep DS1554-70+ Analog Devices / Maxim Integrated 1: ₩77,576.5 17In Stock	Mfr. Part # DS1554-70+ Mouser Part # 700-DS1554-70	Analog Devices / Maxim Integrated	Real Time Clock 256k Nonvolatile, Y2K-Compliant Timekeep	Datasheet	17In Stock	₩77,576.5 ₩63,414 ₩59,834.6 ₩58,185.9 View ₩52,873.2 Quote	Min.: 1 Mult.: 1	Parallel	YY-MM-DD-dd	HH:MM:SS (24 hr)	EDIP-32	Integrated Battery	4.5 V	5.5 V	0 C	+ 70 C	DS1554	Through Hole	Tube
Real Time Clock 1M, Nonvolatile, Y2K-Compliant Timekeepi DS1556-70IND+ Analog Devices / Maxim Integrated 1: ₩122,374.9 22In Stock	Mfr. Part # DS1556-70IND+ Mouser Part # 700-DS1556-70IND	Analog Devices / Maxim Integrated	Real Time Clock 1M, Nonvolatile, Y2K-Compliant Timekeepi	Datasheet	22In Stock	₩122,374.9 ₩101,913.3 ₩95,938.3 ₩90,611.6 Quote Quote	Min.: 1 Mult.: 1	Parallel	YY-MM-DD-dd	HH:MM:SS (24 hr)	EDIP-32	Integrated Battery	4.5 V	5.5 V	- 40 C	+ 85 C	DS1556	Through Hole	Tube
Real Time Clock I C 32-Bit Binary Counter RTC DS1672S-2+ Analog Devices / Maxim Integrated 1: ₩8,638.4 99In Stock	Mfr. Part # DS1672S-2+ Mouser Part # 700-DS1672S-2	Analog Devices / Maxim Integrated	Real Time Clock I C 32-Bit Binary Counter RTC	Datasheet	99In Stock	₩8,638.4 ₩6,623.2 ₩6,130 ₩5,185.9 View ₩5,129.5 ₩5,073.1 ₩5,016.8 Quote	Min.: 1 Mult.: 1	Serial 2-Wire, I2C	Binary	Binary	SOIC-8	Backup Switching	1.8 V	2.2 V	- 40 C	+ 85 C	DS1672S	SMD/SMT	Tube
Real Time Clock I C 32-Bit Binary Counter RTC DS1672S-3+ Analog Devices / Maxim Integrated 1: ₩4,481.3 130In Stock	Mfr. Part # DS1672S-3+ Mouser Part # 700-DS1672S-3	Analog Devices / Maxim Integrated	Real Time Clock I C 32-Bit Binary Counter RTC	Datasheet	130In Stock	₩4,481.3 ₩4,382.6 ₩4,284 ₩4,199.4 View ₩4,129 ₩4,072.6 ₩4,016.2 ₩3,945.8	Min.: 1 Mult.: 1	Serial 2-Wire, I2C	Binary	Binary	SOIC-8	Backup Switching	2.7 V	5.5 V	- 40 C	+ 85 C	DS1672S	SMD/SMT	Tube
Real Time Clock I C 32-Bit Binary Counter RTC DS1672U-33+ Analog Devices / Maxim Integrated 1: ₩8,300.2 177In Stock	Mfr. Part # DS1672U-33+ Mouser Part # 700-DS1672U-33	Analog Devices / Maxim Integrated	Real Time Clock I C 32-Bit Binary Counter RTC	Datasheet	177In Stock	₩8,300.2 ₩6,327.3 ₩5,820 ₩5,284.5 View ₩5,016.8 ₩4,861.7 ₩4,805.4 ₩4,749	Min.: 1 Mult.: 1	Serial 2-Wire, I2C	Binary	Binary	uSOP-8	Backup Switching	2.97 V	3.63 V	- 40 C	+ 85 C	DS1672U	SMD/SMT	Tube
Real Time Clock Real-Time Event Recorder DS1678+ Analog Devices / Maxim Integrated 1: ₩11,780.9 48In Stock	Mfr. Part # DS1678+ Mouser Part # 700-DS1678	Analog Devices / Maxim Integrated	Real Time Clock Real-Time Event Recorder	Datasheet	48In Stock	₩11,780.9 ₩11,527.3 ₩11,273.6 ₩11,048.1 View ₩10,879 ₩10,709.9 ₩10,554.9 Quote	Min.: 1 Mult.: 1	I2C	YY-MM-DD-dd	HH:MM:SS (24 hr)	PDIP-8	Backup Switching	4.5 V	5.5 V	- 40 C	+ 85 C	DS1678	Through Hole	Tube
Real Time Clock 3V/5V Real-Time Clock DS1685-5+ Analog Devices / Maxim Integrated 1: ₩22,547.2 33In Stock	Mfr. Part # DS1685-5+ Mouser Part # 700-DS1685-5	Analog Devices / Maxim Integrated	Real Time Clock 3V/5V Real-Time Clock	Datasheet	33In Stock	₩22,547.2 ₩17,150 ₩16,332.6 ₩13,810.2 View ₩13,556.5 ₩12,992.8 ₩12,725.1 Quote	Min.: 1 Mult.: 1	Multiplexed	YY-MM-DD-dd	HH:MM:SS:hh (12 hr, 24 hr)	PDIP-24	Backup Switching	4.5 V	5.5 V	0 C	+ 70 C	DS1685	Through Hole	Tube
Real Time Clock 3V/5V Real-Time Clock DS1685E-5+ Analog Devices / Maxim Integrated 1: ₩17,460 467In Stock	Mfr. Part # DS1685E-5+ Mouser Part # 700-DS1685E-5	Analog Devices / Maxim Integrated	Real Time Clock 3V/5V Real-Time Clock	Datasheet	467In Stock	₩17,460 ₩14,979.8 ₩13,161.9 ₩12,682.8 View ₩12,189.6 ₩10,808.6 ₩10,569 Quote	Min.: 1 Mult.: 1	Multiplexed	YY-MM-DD-dd	HH:MM:SS:hh (12 hr, 24 hr)	TSSOP-24	Backup Switching	4.5 V	5.5 V	0 C	+ 70 C	DS1685E	SMD/SMT	Tube