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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 (SGD) 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: $3.40 156In Stock	Mfr. Part No. DS1341T+T&R Mouser Part No 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 $3.40 $3.32 $3.25 $3.18 View $3.14 $3.09 $3.05 $2.99 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: $7.49 176In Stock	Mfr. Part No. DS1342T+T&R Mouser Part No 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 $7.49 $5.71 $5.26 $4.77 $4.68 $3.97 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: $11.19 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	$11.19 $8.62 $7.98 $7.29 View $6.75 $6.53 $6.22	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: $6.17 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 $6.17 $6.04 $5.90 $5.78 View $5.70 $5.62 $5.52 $5.44 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: $6.17 53In Stock	Mfr. Part No. DS1344E-3+ Mouser Part No 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	$6.17 $6.04 $5.90 $5.78 View $5.70 $5.62 $5.52 $5.44	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: $7.79 1,182In Stock	Mfr. Part No. DS1347T+T&R Mouser Part No 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 $7.79 $5.94 $5.47 $4.96 $4.87 $4.12 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: $7.48 1,004In Stock	Mfr. Part No. DS1371U+T&R Mouser Part No 700-DS1371UT&R	Analog Devices / Maxim Integrated	Real Time Clock I C, 32-Bit Binary Counter Watchdog Clock	Datasheet	1,004In Stock	Cut Tape $7.48 $5.70 $5.26 $4.77 View $4.54 $4.43 $4.41 $4.22 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: $6.96 597In Stock	Mfr. Part No. DS1372U+T&R Mouser Part No 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 $6.96 $5.30 $4.88 $4.43 $4.35 $3.69 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: $15.15 894In Stock	Mfr. Part No. DS1374C-33#T&R Mouser Part No 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 $15.15 $11.80 $10.98 $10.05 View $9.63 $9.51 $9.13 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: $12.01 572In Stock	Mfr. Part No. DS1388Z-33+ Mouser Part No 700-DS1388Z-33	Analog Devices / Maxim Integrated	Real Time Clock I C RTC/Supervisor with Trickle Charger	Datasheet	572In Stock	$12.01 $9.30 $8.64 $7.33 View $7.30 $7.11 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: $8.17 82In Stock	Mfr. Part No. DS1390U-18+ Mouser Part No 700-DS1390U-18	Analog Devices / Maxim Integrated	Real Time Clock Low-Voltage SPI/3-Wire RTCs with Trickle	Datasheet	82In Stock	$8.17 $6.27 $5.32 $5.26 View $5.00 $4.86 $4.80 $4.75 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: $8.81 2,105In Stock	Mfr. Part No. DS1391U-33+T&R Mouser Part No 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 $8.81 $6.75 $6.24 $5.67 View $5.40 $5.30 $5.28 $5.03 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: $10.44 124In Stock	Mfr. Part No. DS1392U-33+ Mouser Part No 700-DS1392U-33	Analog Devices / Maxim Integrated	Real Time Clock Low-Voltage SPI/3-Wire RTCs with Trickle	Datasheet	124In Stock	$10.44 $8.05 $7.21 $6.79 View $6.28 $6.27 $6.09 $5.79	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: $10.44 43In Stock	Mfr. Part No. DS1393U-33+ Mouser Part No 700-DS1393U-33	Analog Devices / Maxim Integrated	Real Time Clock Low-Voltage SPI/3-Wire RTCs with Trickle	Datasheet	43In Stock	$10.44 $8.05 $6.84 $6.79 View $6.28 $6.09 $5.79	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: $25.58 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	$25.58 $20.74 $17.61 $17.37 View $16.67 $16.37 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: $31.06 360In Stock	Mfr. Part No. DS1501YZN+ Mouser Part No 700-DS1501YZN	Analog Devices / Maxim Integrated	Real Time Clock Y2K-Compliant Watchdog Real-Time Clocks	Datasheet	360In Stock	$31.06 $25.51 $21.68 $21.56 View $20.74 $20.03 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: $53.88 49In Stock	Mfr. Part No. DS1511W+ Mouser Part No 700-DS1511W	Analog Devices / Maxim Integrated	Real Time Clock Y2K-Compliant Watchdog Real-Time Clocks	Datasheet	49In Stock	$53.88 $43.63 $41.04 $39.36 View $36.90 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: $74.87 17In Stock	Mfr. Part No. DS1554-70+ Mouser Part No 700-DS1554-70	Analog Devices / Maxim Integrated	Real Time Clock 256k Nonvolatile, Y2K-Compliant Timekeep	Datasheet	17In Stock	$74.87 $61.20 $57.75 $56.15 View $51.03 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: $118.10 22In Stock	Mfr. Part No. DS1556-70IND+ Mouser Part No 700-DS1556-70IND	Analog Devices / Maxim Integrated	Real Time Clock 1M, Nonvolatile, Y2K-Compliant Timekeepi	Datasheet	22In Stock	$118.10 $98.36 $92.59 $87.45 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: $8.34 99In Stock	Mfr. Part No. DS1672S-2+ Mouser Part No 700-DS1672S-2	Analog Devices / Maxim Integrated	Real Time Clock I C 32-Bit Binary Counter RTC	Datasheet	99In Stock	$8.34 $6.39 $5.92 $5.00 View $4.95 $4.90 $4.84 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: $4.32 130In Stock	Mfr. Part No. DS1672S-3+ Mouser Part No 700-DS1672S-3	Analog Devices / Maxim Integrated	Real Time Clock I C 32-Bit Binary Counter RTC	Datasheet	130In Stock	$4.32 $4.23 $4.13 $4.05 View $3.98 $3.93 $3.88 $3.81	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: $8.01 177In Stock	Mfr. Part No. DS1672U-33+ Mouser Part No 700-DS1672U-33	Analog Devices / Maxim Integrated	Real Time Clock I C 32-Bit Binary Counter RTC	Datasheet	177In Stock	$8.01 $6.11 $5.62 $5.10 View $4.84 $4.69 $4.64 $4.58	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: $11.37 48In Stock	Mfr. Part No. DS1678+ Mouser Part No 700-DS1678	Analog Devices / Maxim Integrated	Real Time Clock Real-Time Event Recorder	Datasheet	48In Stock	$11.37 $11.12 $10.88 $10.66 View $10.50 $10.34 $10.19 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: $21.76 33In Stock	Mfr. Part No. DS1685-5+ Mouser Part No 700-DS1685-5	Analog Devices / Maxim Integrated	Real Time Clock 3V/5V Real-Time Clock	Datasheet	33In Stock	$21.76 $16.55 $15.76 $13.33 View $13.08 $12.54 $12.28 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: $16.85 467In Stock	Mfr. Part No. DS1685E-5+ Mouser Part No 700-DS1685E-5	Analog Devices / Maxim Integrated	Real Time Clock 3V/5V Real-Time Clock	Datasheet	467In Stock	$16.85 $14.46 $12.70 $12.24 View $11.76 $10.43 $10.20 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