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Image	Part #	Mfr.	Description	Datasheet	Availability	Pricing (JPY) 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-Voltage SPI/3-Wire RTCs with Trickle DS1394U-33+ Analog Devices / Maxim Integrated 1: ¥614.6 2,976In Stock	Mfr. Part # DS1394U-33+ Mouser Part # 700-DS1394U-33	Analog Devices / Maxim Integrated	Real Time Clock Low-Voltage SPI/3-Wire RTCs with Trickle	Datasheet	2,976In Stock	¥614.6 ¥601.3 ¥588 ¥576.4 View ¥566.4 ¥558.1 ¥549.8	Min.: 1 Mult.: 1 Max.: 2,380	Serial 3-Wire, 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	DS1394U	SMD/SMT	Tube
Real Time Clock Y2K-Compliant Watchdog Real-Time Clocks DS1511Y+ Analog Devices / Maxim Integrated 1: ¥6,864.9 96In Stock	Mfr. Part # DS1511Y+ Mouser Part # 700-DS1511Y	Analog Devices / Maxim Integrated	Real Time Clock Y2K-Compliant Watchdog Real-Time Clocks	Datasheet	96In Stock	¥6,864.9 ¥5,529.5 ¥5,175.7 ¥4,916.6 View ¥4,704 Quote	Min.: 1 Mult.: 1	Parallel	YY-MM-DD-dd	HH:MM:SS (24 hr)	EDIP-28	Backup Switching	4.5 V	5.5 V	0 C	+ 70 C	DS1511Y	Through Hole	Tube
Real Time Clock 1M, Nonvolatile, Y2K-Compliant Timekeepi DS1556W-120+ Analog Devices / Maxim Integrated 1: ¥11,633.6 35In Stock	Mfr. Part # DS1556W-120+ Mouser Part # 700-DS1556W-120	Analog Devices / Maxim Integrated	Real Time Clock 1M, Nonvolatile, Y2K-Compliant Timekeepi	Datasheet	35In Stock	¥11,633.6 ¥10,213.5 ¥9,371.4 ¥9,206.9	Min.: 1 Mult.: 1	Parallel	YY-MM-DD-dd	HH:MM:SS (24 hr)		Integrated Battery	2.97 V	3.63 V	0 C	+ 70 C	DS1556W	Through Hole	Tube
Real Time Clock Y2K-Compliant, Nonvolatile Timekeeping R DS1744-70IND+ Analog Devices / Maxim Integrated 1: ¥12,384.4 170In Stock	Mfr. Part # DS1744-70IND+ Mouser Part # 700-DS1744-70IND	Analog Devices / Maxim Integrated	Real Time Clock Y2K-Compliant, Nonvolatile Timekeeping R	Datasheet	170In Stock	¥12,384.4 ¥10,228.4 ¥9,688.6 ¥9,569	Min.: 1 Mult.: 1 Max.: 136	Parallel	YY-MM-DD-dd	HH:MM:SS (24 hr)	EDIP-28	Integrated Battery	4.5 V	5.5 V	- 40 C	+ 85 C	DS1744	Through Hole	Tube
Real Time Clock 3V/5V Real-Time Clocks DS17887-5+ Analog Devices / Maxim Integrated 1: ¥7,223.7 72In Stock	Mfr. Part # DS17887-5+ Mouser Part # 700-DS17887-5	Analog Devices / Maxim Integrated	Real Time Clock 3V/5V Real-Time Clocks	Datasheet	72In Stock	¥7,223.7 ¥5,903.2 ¥5,571 ¥5,416.5 View ¥5,037.8 Quote	Min.: 1 Mult.: 1	Multiplexed	YY-MM-DD-dd	HH:MM:SS:hh (12 hr, 24 hr)	EDIP-24	Integrated Battery	4.5 V	5.5 V	0 C	+ 70 C	DS17887	Through Hole	Tube
Real Time Clock Ultra-Low power RTC w/ integrated power MAX31334EWC+T Analog Devices / Maxim Integrated 1: ¥657.8 1,499In Stock	Mfr. Part # MAX31334EWC+T Mouser Part # 700-MAX31334EWC+T	Analog Devices / Maxim Integrated	Real Time Clock Ultra-Low power RTC w/ integrated power Learn More about Analog Devices / Maxim Integrated maxim max31334 rtc	Datasheet	1,499In Stock	Cut Tape ¥657.8 ¥490 ¥448.5 ¥402 View ¥380.4 ¥372.1 ¥353.8 ¥353.8	Min.: 1 Mult.: 1 Max.: 1,199										MAX31334		Reel, Cut Tape
Real Time Clock 3V/5V Real-Time Clock DS1685EN-3+T&R Analog Devices / Maxim Integrated 1: ¥1,365.3 1,069In Stock	Mfr. Part # DS1685EN-3+T&R Mouser Part # 700-DS1685EN-3T&R	Analog Devices / Maxim Integrated	Real Time Clock 3V/5V Real-Time Clock	Datasheet	1,069In Stock	Cut Tape ¥1,365.3 ¥1,335.4 ¥1,305.5 ¥1,279 View Reel ¥1,240.8 ¥1,260.7 ¥1,240.8 ¥1,240.8 MouseReel Available	Min.: 1 Mult.: 1 Max.: 855 : 1,000	Multiplexed	YY-MM-DD-dd	HH:MM:SS:hh (12 hr, 24 hr)	TSSOP-24	Backup Switching	2.7 V	3.7 V	- 40 C	+ 85 C	DS1685EN	SMD/SMT	Reel, Cut Tape, MouseReel
Real Time Clock 3V/5V Real-Time Clock DS1687-5IND+ Analog Devices / Maxim Integrated 1: ¥5,521.2 86In Stock	Mfr. Part # DS1687-5IND+ Mouser Part # 700-DS1687-5IND	Analog Devices / Maxim Integrated	Real Time Clock 3V/5V Real-Time Clock	Datasheet	86In Stock	¥5,521.2 ¥4,469.8 ¥4,205.7 ¥4,032.9 ¥3,778.8	Min.: 1 Mult.: 1	Multiplexed	YY-MM-DD-dd	HH:MM:SS:hh (12 hr, 24 hr)	EDIP-24	Integrated Battery	4.5 V	5.5 V	- 40 C	+ 85 C	DS1687	Through Hole	Tube
Real Time Clock I C Serial Real-Time Clock DS1337+ Analog Devices / Maxim Integrated 1: ¥968.4 2,513In Stock	Mfr. Part # DS1337+ Mouser Part # 700-DS1337	Analog Devices / Maxim Integrated	Real Time Clock I C Serial Real-Time Clock Learn More about Analog Devices / Maxim Integrated maxim ds1337 rtc	Datasheet	2,513In Stock	¥968.4 ¥737.5 ¥677.7 ¥558.1 View ¥534.8 ¥526.5	Min.: 1 Mult.: 1 Max.: 2,010	I2C	YY-MM-DD-dd	HH:MM:SS:hh (12 hr, 24 hr)	DIP-8	No Backup Switching	1.8 V	5.5 V	- 40 C	+ 85 C	DS1337	Through Hole	Tube
Real Time Clock Watchdog Clocks with NV RAM Control DS1558Y+ Analog Devices / Maxim Integrated 1: ¥2,165.9 253In Stock	Mfr. Part # DS1558Y+ Mouser Part # 700-DS1558Y	Analog Devices / Maxim Integrated	Real Time Clock Watchdog Clocks with NV RAM Control	Datasheet	253In Stock	¥2,165.9 ¥2,119.4 ¥2,072.9 ¥2,031.4	Min.: 1 Mult.: 1 Max.: 202	Parallel	YY-MM-DD-dd	HH:MM:SS (24 hr)	TQFP-48	Backup Switching	4.5 V	5.5 V	- 40 C	+ 85 C	DS1558Y	SMD/SMT	Tray
Real Time Clock Ultra-Low power 12C Real Time clock w/ p MAX31331TETB+ Analog Devices / Maxim Integrated 1: ¥621.2 2,764In Stock	Mfr. Part # MAX31331TETB+ Mouser Part # 700-MAX31331TETB+	Analog Devices / Maxim Integrated	Real Time Clock Ultra-Low power 12C Real Time clock w/ p Learn More about Analog Devices / Maxim Integrated maxim max31331 real time clock	Datasheet	2,764In Stock	¥621.2 ¥463.4 ¥423.6 ¥380.4 View ¥358.8 ¥323.9 ¥308.9	Min.: 1 Mult.: 1 Max.: 2,211												Tray
Real Time Clock I C RTC with 56-Byte NV RAM DS1338Z-3+ Analog Devices / Maxim Integrated 1: ¥1,102.9 2,678In Stock	Mfr. Part # DS1338Z-3+ Mouser Part # 700-DS1338Z-3	Analog Devices / Maxim Integrated	Real Time Clock I C RTC with 56-Byte NV RAM	Datasheet	2,678In Stock	¥1,102.9 ¥845.4 ¥780.7 ¥709.2 View ¥674.4 ¥654.4 ¥647.8	Min.: 1 Mult.: 1 Max.: 2,142	I2C	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	DS1338Z	SMD/SMT	Tube
Real Time Clock I C 32-Bit Binary Counter RTC DS1672U-33+T&R Analog Devices / Maxim Integrated 1: ¥534.8 664In Stock	Mfr. Part # DS1672U-33+T&R Mouser Part # 700-DS1672U-33T&R	Analog Devices / Maxim Integrated	Real Time Clock I C 32-Bit Binary Counter RTC	Datasheet	664In Stock	Cut Tape ¥534.8 ¥523.2 ¥511.6 ¥501.6 View ¥493.3 ¥486.7 ¥486.7 MouseReel Available	Min.: 1 Mult.: 1 Max.: 531	Serial 2-Wire, I2C	Binary	Binary		Backup Switching	2.97 V	3.63 V	- 40 C	+ 85 C	DS1672U	SMD/SMT	Reel, Cut Tape, MouseReel
Real Time Clock Serial Alarm Real-Time Clock DS1305N+ Analog Devices / Maxim Integrated 1: ¥2,305.5 1,067In Stock	Mfr. Part # DS1305N+ Mouser Part # 700-DS1305N	Analog Devices / Maxim Integrated	Real Time Clock Serial Alarm Real-Time Clock	Datasheet	1,067In Stock	¥2,305.5 ¥1,805.5 ¥1,677.6 ¥1,541.4 View ¥1,511.5 ¥1,436.8	Min.: 1 Mult.: 1 Max.: 853	Serial 3-Wire, SPI	YY-MM-DD	HH:MM:SS (24 hr)	DIP-16	Backup Switching	2 V	5.5 V	- 40 C	+ 85 C	DS1305N	Through Hole	Tube
Real Time Clock Y2K-Compliant Watchdog Real-Time Clocks DS1501YN+ Analog Devices / Maxim Integrated 1: ¥2,285.5 162In Stock	Mfr. Part # DS1501YN+ Mouser Part # 700-DS1501YN	Analog Devices / Maxim Integrated	Real Time Clock Y2K-Compliant Watchdog Real-Time Clocks	Datasheet	162In Stock	¥2,285.5 ¥2,235.7 ¥2,187.5 ¥2,142.7	Min.: 1 Mult.: 1 Max.: 129	Parallel	YY-MM-DD-dd	HH:MM:SS (24 hr)	PDIP-28	Backup Switching	4.5 V	5.5 V	- 40 C	+ 85 C	DS1501YN	Through Hole	Tube
Real Time Clock I C 32-Bit Binary Counter RTC DS1672S-3+T&R Analog Devices / Maxim Integrated 1: ¥528.2 1,880In Stock	Mfr. Part # DS1672S-3+T&R Mouser Part # 700-DS1672S-3T&R	Analog Devices / Maxim Integrated	Real Time Clock I C 32-Bit Binary Counter RTC	Datasheet	1,880In Stock	Cut Tape ¥528.2 ¥516.6 ¥504.9 ¥495 View ¥486.7 ¥480 ¥473.4 ¥473.4 MouseReel Available	Min.: 1 Mult.: 1 Max.: 1,504	Serial 2-Wire, I2C	Binary	Binary	SOIC-8	Backup Switching	2.7 V	3.3 V	- 40 C	+ 85 C	DS1672S	SMD/SMT	Reel, Cut Tape, MouseReel
Real Time Clock 32.768kHz SPI Time Acc. 6ppm RV-3149-C3 32.768kHz OPTION A TA QC Micro Crystal 1: ¥719.2 354In Stock	Mfr. Part # RV-3149-C3 32.768kHz OPTION A TA QC Mouser Part # 428-203658-MG01	Micro Crystal	Real Time Clock 32.768kHz SPI Time Acc. 6ppm Learn More about Micro Crystal real time clock modules	Datasheet	354In Stock	Cut Tape ¥719.2 ¥541.5 ¥498.3 ¥448.5 Reel ¥408.6 View ¥426.9 ¥423.6 ¥403.6 MouseReel Available	Min.: 1 Mult.: 1 : 1,000	SPI	YY-MM-DD-dd	HH:MM:SS (24 hr)		Backup Switching	1.3 V	5.5 V	- 40 C	+ 85 C	RV-3149	SMD/SMT	Reel, Cut Tape, MouseReel
Real Time Clock .9RTC BASE 1338-31DVGI8 Renesas Electronics 1: ¥536.5 27In Stock 5,000Expected 4/4/2028	Mfr. Part # 1338-31DVGI8 Mouser Part # 972-1338-31DVGI8	Renesas Electronics	Real Time Clock .9RTC BASE	Datasheet	27In Stock 5,000Expected 4/4/2028	Cut Tape ¥536.5 ¥400.3 ¥365.4 ¥328.9 View Reel ¥285.7 ¥310.6 ¥304 ¥287.4 ¥285.7 MouseReel Available	Min.: 1 Mult.: 1 : 2,500	Serial 2-Wire, I2C	YY-MM-DD-dd	HH:MM:SS:hh (12 hr, 24 hr)	MSOP-8	Backup Switching	1.3 V	3.7 V	- 40 C	+ 85 C	1338	SMD/SMT	Reel, Cut Tape, MouseReel
Real Time Clock Trickle-Charge Timekeeping Chip DS1302S+T&R Analog Devices / Maxim Integrated 1: ¥556.4 1,803In Stock	Mfr. Part # DS1302S+T&R Mouser Part # 700-DS1302ST&R	Analog Devices / Maxim Integrated	Real Time Clock Trickle-Charge Timekeeping Chip Learn More about Analog Devices / Maxim Integrated maxim ds1302 timekeeping chip	Datasheet	1,803In Stock	Cut Tape ¥556.4 ¥544.8 ¥533.2 ¥521.6 View ¥513.2 ¥506.6 ¥498.3 ¥498.3 MouseReel Available	Min.: 1 Mult.: 1 Max.: 1,442	Serial 3-Wire	YY-MM-DD-dd	HH:MM:SS (24 hr)	SOIC-8	Backup Switching	2 V	5.5 V	0 C	+ 70 C	DS1302S	SMD/SMT	Reel, Cut Tape, MouseReel
Real Time Clock Low-Current I C RTC with 56-Byte NV RAM DS1308U-33+T Analog Devices / Maxim Integrated 1: ¥1,071.3 2,232In Stock	Mfr. Part # DS1308U-33+T Mouser Part # 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	2,232In Stock	Cut Tape ¥1,071.3 ¥820.5 ¥759.1 ¥689.3 View ¥657.8 ¥637.8 ¥629.5 ¥629.5 MouseReel Available	Min.: 1 Mult.: 1 Max.: 1,785	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 I C RTC with Trickle Charger DS1340U-3+T&R Analog Devices / Maxim Integrated 1: ¥624.5 1,516In Stock	Mfr. Part # DS1340U-3+T&R Mouser Part # 700-DS1340U-3T&R	Analog Devices / Maxim Integrated	Real Time Clock I C RTC with Trickle Charger Learn More about Analog Devices / Maxim Integrated maximds1343	Datasheet	1,516In Stock	Cut Tape ¥624.5 ¥611.2 ¥598 ¥586.3 View ¥578 ¥568.1 ¥559.8 ¥559.8 MouseReel Available	Min.: 1 Mult.: 1 Max.: 1,212	Serial 2-Wire, I2C	YY-MM-DD-dd	HH:MM:SS (24 hr)	uSOP-8	Backup Switching	2.7 V	3.3 V	- 40 C	+ 85 C	DS1340U	SMD/SMT	Reel, Cut Tape, MouseReel
Real Time Clock Low-Current I C RTCs for High-ESR Crystals DS1341U+T&R Analog Devices / Maxim Integrated 1: ¥852.1 2,859In Stock	Mfr. Part # DS1341U+T&R Mouser Part # 700-DS1341U+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	2,859In Stock	Cut Tape ¥852.1 ¥641.1 ¥589.7 ¥533.2 View ¥504.9 ¥501.6 ¥500 ¥500 MouseReel Available	Min.: 1 Mult.: 1 Max.: 2,287	I2C	YY-MM-DD-dd	HH:MM:SS:hh (12 hr, 24 hr)	uSOP-8	No Backup Switching	1.8 V	5.5 V	- 40 C	+ 85 C	DS1341U	SMD/SMT	Reel, Cut Tape, MouseReel
Real Time Clock 256k Nonvolatile, Y2K-Compliant Timekeep DS1554-70IND+ Analog Devices / Maxim Integrated 1: ¥6,881.5 173In Stock	Mfr. Part # DS1554-70IND+ Mouser Part # 700-DS1554-70IND	Analog Devices / Maxim Integrated	Real Time Clock 256k Nonvolatile, Y2K-Compliant Timekeep	Datasheet	173In Stock	¥6,881.5 ¥6,728.7 ¥6,584.2 ¥6,451.3	Min.: 1 Mult.: 1 Max.: 138	Parallel	YY-MM-DD-dd	HH:MM:SS (24 hr)	EDIP-32	Integrated Battery	4.5 V	5.5 V	- 40 C	+ 85 C	DS1554	Through Hole	Tube
Real Time Clock 1M, Nonvolatile, Y2K-Compliant Timekeepi DS1556WP-120IND+ Analog Devices / Maxim Integrated 1: ¥8,932.9 38In Stock	Mfr. Part # DS1556WP-120IND+ Mouser Part # 700-DS1556WP-120IND	Analog Devices / Maxim Integrated	Real Time Clock 1M, Nonvolatile, Y2K-Compliant Timekeepi	Datasheet	38In Stock	¥8,932.9 ¥8,735.2 ¥8,545.8 ¥8,374.8 View Quote	Min.: 1 Mult.: 1	Parallel	YY-MM-DD-dd	HH:MM:SS (24 hr)	PowerCap Module-34	Backup Switching	2.97 V	3.63 V	- 40 C	+ 85 C	DS1556WP	SMD/SMT	Tray
Real Time Clock Y2K-Compliant, Nonvolatile Timekeeping R DS1746P-70+ Analog Devices / Maxim Integrated 1: ¥11,160.3 33In Stock	Mfr. Part # DS1746P-70+ Mouser Part # 700-DS1746P-70	Analog Devices / Maxim Integrated	Real Time Clock Y2K-Compliant, Nonvolatile Timekeeping R	Datasheet	33In Stock	¥11,160.3 ¥9,223.5 ¥8,618.9 ¥8,231.9	Min.: 1 Mult.: 1	Parallel	YY-MM-DD-dd	HH:MM:SS (24 hr)	PowerCap Module-34	Backup Switching	4.5 V	5.5 V	0 C	+ 70 C	DS1746P	SMD/SMT	Tray