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Interface IC's Real Time Clock

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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	Qualification	Packaging
Real Time Clock RTC IC with 400 kHz I2C interface featuring 64 byte SRAM in HXSON10 package. PCF85363ATL/AX NXP Semiconductors 1: ¥235.9 81,394In Stock	Mfr. Part # PCF85363ATL/AX Mouser Part # 771-PCF85363ATL/AX	NXP Semiconductors	Real Time Clock RTC IC with 400 kHz I2C interface featuring 64 byte SRAM in HXSON10 package.	Datasheet	81,394In Stock	Cut Tape ¥235.9 ¥184.4 ¥172.7 ¥157.8 View Reel ¥134 ¥151.2 ¥147.2 ¥145.8 ¥142.3 ¥134 MouseReel Available	Min.: 1 Mult.: 1 : 4,000	Serial 2-Wire, I2C	YY-MM-DD-dd	HH:MM:SS:hh (12 hr, 24 hr)	DFN2626-10	Backup Switching	900 mV	5.5 V	- 40 C	+ 85 C	PCF85363A	SMD/SMT		Reel, Cut Tape, MouseReel
Real Time Clock 4-wire Serial Interface RV5C348B-E2-F Nisshinbo 1: ¥272.4 1,445In Stock	Mfr. Part # RV5C348B-E2-F Mouser Part # 848-RV5C348B-E2-F	Nisshinbo	Real Time Clock 4-wire Serial Interface	Datasheet	1,445In Stock	Cut Tape ¥272.4 ¥199.3 ¥181 ¥159.6 Reel ¥132.4 View ¥150 ¥144.2 ¥132.5 ¥131.7 MouseReel Available	Min.: 1 Mult.: 1 : 2,000	Serial 4-Wire	YY-MM-DD-dd	HH:MM:SS:hh (12 hr, 24 hr)	SSOP-10	Backup Switching	2 V	5.5 V	- 40 C	+ 85 C	RV5C348	SMD/SMT		Reel, Cut Tape, MouseReel
Real Time Clock RTC IC with 400 kHz I2C interface in SO8 package. PCF85063AT/AY NXP Semiconductors 1: ¥149.5 45,622In Stock	Mfr. Part # PCF85063AT/AY Mouser Part # 771-PCF85063AT/AY	NXP Semiconductors	Real Time Clock RTC IC with 400 kHz I2C interface in SO8 package. Learn More about NXP Semiconductors nxp pcf85063 clocks	Datasheet	45,622In Stock	Cut Tape ¥149.5 ¥106.8 ¥96.2 ¥84.5 Reel ¥69.1 View ¥78.7 ¥75.2 ¥72.3 ¥67.3 MouseReel Available	Min.: 1 Mult.: 1 : 2,500	I2C	YY-MM-DD-dd	HH:MM:SS:hh (12 hr, 24 hr)	SOIC-8	No Backup Switching	900 mV	5.5 V	- 40 C	+ 85 C	PCF85063A	SMD/SMT		Reel, Cut Tape, MouseReel
Real Time Clock RTC IC with 400 kHz I2C interface in SO8 package. PCF8563T/5,518 NXP Semiconductors 1: ¥212.6 47,071In Stock	Mfr. Part # PCF8563T/5,518 Mouser Part # 771-PCF8563T/5518	NXP Semiconductors	Real Time Clock RTC IC with 400 kHz I2C interface in SO8 package.	Datasheet	47,071In Stock	Cut Tape ¥212.6 ¥158 ¥144.3 ¥129.2 Reel ¥109.3 View ¥122.1 ¥117.8 ¥113.6 ¥107 MouseReel Available	Min.: 1 Mult.: 1 : 2,500	I2C	YY-MM-DD-dd	HH:MM:SS (24 hr)	SOIC-8	No Backup Switching	1.8 V	5.5 V	- 40 C	+ 85 C	PCF8563	SMD/SMT		Reel, Cut Tape, MouseReel
Real Time Clock RTC IC with 400 kHz I2C interface in HXSON10 package. PCF85063ATL/1,118 NXP Semiconductors 1: ¥141.2 52,368In Stock	Mfr. Part # PCF85063ATL/1,118 Mouser Part # 771-PCF85063ATL1118	NXP Semiconductors	Real Time Clock RTC IC with 400 kHz I2C interface in HXSON10 package. Learn More about NXP Semiconductors nxp pcf85063 clocks	Datasheet	52,368In Stock	Cut Tape ¥141.2 ¥101 ¥91 ¥79.7 View Reel ¥63.3 ¥74.1 ¥70.8 ¥68.1 ¥66.8 ¥63.3 MouseReel Available	Min.: 1 Mult.: 1 : 4,000	I2C	YY-MM-DD-dd	HH:MM:SS:hh (12 hr, 24 hr)	DFN2626-10	No Backup Switching	900 mV	5.5 V	- 40 C	+ 85 C	PCF85063A	SMD/SMT		Reel, Cut Tape, MouseReel
Real Time Clock RTC IC with 400 kHz I2C interface featuring 128 byte SRAM in HVSON12 package. PCF85053ATKJ NXP Semiconductors 1: ¥302.3 12,000In Stock 12,000Expected 1/4/2027	Mfr. Part # PCF85053ATKJ Mouser Part # 771-PCF85053ATKJ	NXP Semiconductors	Real Time Clock RTC IC with 400 kHz I2C interface featuring 128 byte SRAM in HVSON12 package. Learn More about NXP Semiconductors nxp pcf85053a rtc	Datasheet	12,000In Stock 12,000Expected 1/4/2027	Cut Tape ¥302.3 ¥220.9 ¥201 ¥179.4 View Reel ¥147.7 ¥169.4 ¥161.8 ¥161 ¥151 ¥147.7 MouseReel Available	Min.: 1 Mult.: 1 : 6,000										PCF85053A	SMD/SMT		Reel, Cut Tape, MouseReel
Real Time Clock RTC IC with 400 kHz I2C interface featuring backup battery switch-over function in SO8 package. PCF85263AT/AJ NXP Semiconductors 1: ¥250.8 157,921In Stock	Mfr. Part # PCF85263AT/AJ Mouser Part # 771-PCF85263AT/AJ	NXP Semiconductors	Real Time Clock RTC IC with 400 kHz I2C interface featuring backup battery switch-over function in SO8 package. Learn More about NXP Semiconductors nxp pcf85263a rtc	Datasheet	157,921In Stock	Cut Tape ¥250.8 ¥182.7 ¥163.8 ¥145.3 Reel ¥122.6 View ¥136.5 ¥131.2 ¥129.6 ¥119.9 MouseReel Available	Min.: 1 Mult.: 1 : 2,500	Serial 2-Wire, I2C	YY-MM-DD-dd	HH:MM:SS:hh (12 hr, 24 hr)	SO-8	Backup Switching	900 mV	5.5 V	- 40 C	+ 85 C	PCF85263A	SMD/SMT		Reel, Cut Tape, MouseReel
Real Time Clock RTC IC with 400 kHz I2C interface in TSSOP8 package. PCF85063ATT/AJ NXP Semiconductors 1: ¥157.8 6,221In Stock 27,500On Order	Mfr. Part # PCF85063ATT/AJ Mouser Part # 771-PCF85063ATT/AJ	NXP Semiconductors	Real Time Clock RTC IC with 400 kHz I2C interface in TSSOP8 package. Learn More about NXP Semiconductors nxp pcf85063 clocks	Datasheet	6,221In Stock 27,500On Order On Order Ship Dates Mfr. #: PCF85063ATT/AJ Stock: 6,221 Can Ship Immediately On Order: 15,000 Expected 4/5/2027 12,500 Expected 10/4/2027 Factory Lead-Time: 27 Weeks	Cut Tape ¥157.8 ¥107.3 ¥96.5 ¥89.9 View Reel ¥75.6 ¥83.7 ¥80.1 ¥78.7 ¥75.6 MouseReel Available	Min.: 1 Mult.: 1 : 2,500	I2C	YY-MM-DD-dd	HH:MM:SS:hh (12 hr, 24 hr)	TSSOP-8	No Backup Switching	900 mV	5.5 V	- 40 C	+ 85 C	PCF85063A	SMD/SMT		Reel, Cut Tape, MouseReel
Real Time Clock Automotive RTC module, featuring I2C or SPI interface in HLSON16 package. PCA2131TF/Q900Y NXP Semiconductors 1: ¥724.2 7,629In Stock	Mfr. Part # PCA2131TF/Q900Y Mouser Part # 771-PCA2131TF/Q900Y	NXP Semiconductors	Real Time Clock Automotive RTC module, featuring I2C or SPI interface in HLSON16 package. Learn More about NXP Semiconductors nxp pca2131 rtc	Datasheet	7,629In Stock	Cut Tape ¥724.2 ¥553.1 ¥509.9 ¥466.7 View Reel ¥395.3 ¥445.1 ¥438.5 ¥405.3 ¥400.3 ¥395.3	Min.: 1 Mult.: 1 : 4,000										PCA2131		AEC-Q100	Reel, Cut Tape
Real Time Clock RTC IC with 400 kHz I2C interface featuring backup battery switch-over function in HXSON10 package. PCF85263ATL/AX NXP Semiconductors 1: ¥220.9 79,501In Stock	Mfr. Part # PCF85263ATL/AX Mouser Part # 771-PCF85263ATL/AX	NXP Semiconductors	Real Time Clock RTC IC with 400 kHz I2C interface featuring backup battery switch-over function in HXSON10 package. Learn More about NXP Semiconductors nxp pcf85263a rtc	Datasheet	79,501In Stock	Cut Tape ¥220.9 ¥158.6 ¥143.5 ¥126.9 View Reel ¥104.5 ¥118.9 ¥114.1 ¥110.3 ¥108.6 ¥104.5 MouseReel Available	Min.: 1 Mult.: 1 : 4,000	Serial 2-Wire, I2C	YY-MM-DD-dd	HH:MM:SS:hh (12 hr, 24 hr)	DFN2626-10	Backup Switching	900 mV	5.5 V	- 40 C	+ 85 C	PCF85263A	SMD/SMT		Reel, Cut Tape, MouseReel
Real Time Clock RTC IC with 400 kHz SPI Interface in HXSON10 package. PCF85063BTL/1,118 NXP Semiconductors 1: ¥132.9 13,377In Stock	Mfr. Part # PCF85063BTL/1,118 Mouser Part # 771-PCF85063BTL1118	NXP Semiconductors	Real Time Clock RTC IC with 400 kHz SPI Interface in HXSON10 package. Learn More about NXP Semiconductors nxp pcf85063 clocks	Datasheet	13,377In Stock	Cut Tape ¥132.9 ¥96.2 ¥87.2 ¥79.6 View Reel ¥63.3 ¥74.1 ¥70.8 ¥68.8 ¥67.1 ¥63.3 MouseReel Available	Min.: 1 Mult.: 1 : 4,000	SPI	YY-MM-DD-dd	HH:MM:SS:hh (12 hr, 24 hr)	DFN2626-10	No Backup Switching	900 mV	5.5 V	- 40 C	+ 85 C	PCF85063B	SMD/SMT		Reel, Cut Tape, MouseReel
Real Time Clock RTC IC with 400 kHz I2C interface in TSSOP8 package. PCF8563TS/5,118 NXP Semiconductors 1: ¥315.6 394In Stock 15,000On Order	Mfr. Part # PCF8563TS/5,118 Mouser Part # 771-PCF8563TS/5118	NXP Semiconductors	Real Time Clock RTC IC with 400 kHz I2C interface in TSSOP8 package.	Datasheet	394In Stock 15,000On Order On Order Ship Dates Mfr. #: PCF8563TS/5,118 Stock: 394 Can Ship Immediately On Order: 7,500 Expected 10/23/2026 7,500 Expected 10/28/2026 Factory Lead-Time: 27 Weeks	Cut Tape ¥315.6 ¥232.5 ¥212.6 ¥189.4 View Reel ¥155.8 ¥177.7 ¥172.7 ¥171.1 ¥155.8 MouseReel Available	Min.: 1 Mult.: 1 : 2,500	I2C	YY-MM-DD-dd	HH:MM:SS (24 hr)	TSSOP-8	No Backup Switching	1 V	5.5 V	- 40 C	+ 85 C	PCF8563	SMD/SMT		Reel, Cut Tape, MouseReel
Real Time Clock Automotive RTC IC with 400 kHz I2C interface in TSSOP8 package. PCA85073ADP/Q900Z NXP Semiconductors 1: ¥274.1 179In Stock 32,500On Order	Mfr. Part # PCA85073ADP/Q900Z Mouser Part # 771-PCA85073ADPQ900Z	NXP Semiconductors	Real Time Clock Automotive RTC IC with 400 kHz I2C interface in TSSOP8 package. Learn More about NXP Semiconductors nxp pca85073a cmos rtc	Datasheet	179In Stock 32,500On Order On Order Ship Dates Mfr. #: PCA85073ADP/Q900Z Stock: 179 Can Ship Immediately On Order: 17,500 Expected 2/16/2027 15,000 Expected 3/22/2027 Factory Lead-Time: 27 Weeks	Cut Tape ¥274.1 ¥199.3 ¥181 ¥159.5 Reel ¥133 View ¥149.8 ¥143.8 ¥142.2 ¥131.4 MouseReel Available	Min.: 1 Mult.: 1 : 2,500	Serial 2-Wire, I2C	YY-MM-DD-dd	HH:MM:SS (24 hr)	TSSOP-8	No Backup Switching	900 mV	5.5 V	- 40 C	+ 105 C	PCA85073A	SMD/SMT	AEC-Q100	Reel, Cut Tape, MouseReel
Real Time Clock RTC IC with 400 kHz I2C interface featuring backup battery switch-over function in TSSOP8 package. PCF85263ATT/AJ NXP Semiconductors 1: ¥240.8 2,959In Stock 40,000On Order	Mfr. Part # PCF85263ATT/AJ Mouser Part # 771-PCF85263ATT/AJ	NXP Semiconductors	Real Time Clock RTC IC with 400 kHz I2C interface featuring backup battery switch-over function in TSSOP8 package. Learn More about NXP Semiconductors nxp pcf85263a rtc	Datasheet	2,959In Stock 40,000On Order On Order Ship Dates Mfr. #: PCF85263ATT/AJ Stock: 2,959 Can Ship Immediately On Order: 20,000 Expected 4/12/2027 20,000 Expected 4/19/2027 Factory Lead-Time: 27 Weeks	Cut Tape ¥240.8 ¥176.1 ¥158.8 ¥140.9 View Reel ¥116.4 ¥132.2 ¥127.1 ¥124.4 ¥116.4 MouseReel Available	Min.: 1 Mult.: 1 : 2,500	I2C	YY-MM-DD-dd	HH:MM:SS:hh (12 hr, 24 hr)	TSSOP-8	Backup Switching	900 mV	5.5 V	- 40 C	+ 85 C	PCF85263A	SMD/SMT		Reel, Cut Tape, MouseReel
Real Time Clock RTC IC with 400 kHz I2C interface featuring backup battery switch-over function in TSSOP10 package. PCF85263ATT1/AZ NXP Semiconductors 1: ¥240.8 5,642In Stock 7,500Expected 12/7/2026	Mfr. Part # PCF85263ATT1/AZ Mouser Part # 771-PCF85263ATT1/AZ	NXP Semiconductors	Real Time Clock RTC IC with 400 kHz I2C interface featuring backup battery switch-over function in TSSOP10 package. Learn More about NXP Semiconductors nxp pcf85263a rtc	Datasheet	5,642In Stock 7,500Expected 12/7/2026	Cut Tape ¥240.8 ¥176.1 ¥158.6 ¥140.2 Reel ¥118.6 View ¥131.4 ¥126.1 ¥121.8 ¥114.6 MouseReel Available	Min.: 1 Mult.: 1 : 2,500	Serial 2-Wire, I2C	YY-MM-DD-dd	HH:MM:SS:hh (12 hr, 24 hr)	TSSOP-10	Backup Switching	900 mV	5.5 V	- 40 C	+ 85 C	PCF85263A	SMD/SMT		Reel, Cut Tape, MouseReel
Real Time Clock Real-Time Clock I2C Interface Integrated Circuit, -40 to +85 C, 16-pin QFN AM0805AQ Ambiq 1: ¥144.5 2,609In Stock	Mfr. Part # AM0805AQ Mouser Part # 222-AM0805AQ	Ambiq	Real Time Clock Real-Time Clock I2C Interface Integrated Circuit, -40 to +85 C, 16-pin QFN Learn More about Ambiq artasie am08x5 clocks	Datasheet	2,609In Stock	¥144.5 ¥121.9	Min.: 1 Mult.: 1										Artasie I2C
Real Time Clock Real-Time Clock I2C interface with power management, -40 to +85 C, 16-pin QFN AM1805AQ Ambiq 1: ¥162.8 13,527In Stock 15,000Expected 1/8/2027	Mfr. Part # AM1805AQ Mouser Part # 222-AM1805AQ	Ambiq	Real Time Clock Real-Time Clock I2C interface with power management, -40 to +85 C, 16-pin QFN Learn More about Ambiq am18x5 rtcs	Datasheet	13,527In Stock 15,000Expected 1/8/2027	¥162.8 ¥135.2	Min.: 1 Mult.: 1										Artasie I2C w/ Power Management
Real Time Clock RTC IC with 400 kHz I2C interface featuring 64 byte SRAM in TSSOP8 package. PCF85363ATT/AJ NXP Semiconductors 1: ¥282.4 16In Stock 12,500On Order	Mfr. Part # PCF85363ATT/AJ Mouser Part # 771-PCF85363ATT/AJ	NXP Semiconductors	Real Time Clock RTC IC with 400 kHz I2C interface featuring 64 byte SRAM in TSSOP8 package. Learn More about NXP Semiconductors nxp pcf85063 clocks	Datasheet	16In Stock 12,500On Order On Order Ship Dates Mfr. #: PCF85363ATT/AJ Stock: 16 Can Ship Immediately On Order: 7,500 Expected 10/22/2026 5,000 Expected 5/3/2027 Factory Lead-Time: 27 Weeks	Cut Tape ¥282.4 ¥206 ¥187.7 ¥165.3 View Reel ¥134.9 ¥155.3 ¥149.2 ¥147.3 ¥134.9 MouseReel Available	Min.: 1 Mult.: 1 : 2,500	I2C	YY-MM-DD-dd	HH:MM:SS:hh (12 hr, 24 hr)	TSSOP-8	Backup Switching	900 mV	5.5 V	- 40 C	+ 85 C	PCF85363A	SMD/SMT		Reel, Cut Tape, MouseReel
Real Time Clock RTC IC with 400 kHz I2C interface in HWSON8 package. PCF85063TP/1Z NXP Semiconductors 1: ¥167.8 1In Stock 76,000Expected 4/19/2027	Mfr. Part # PCF85063TP/1Z Mouser Part # 771-PCF85063TP/1Z	NXP Semiconductors	Real Time Clock RTC IC with 400 kHz I2C interface in HWSON8 package.	Datasheet	1In Stock 76,000Expected 4/19/2027	Cut Tape ¥167.8 ¥116.9 ¥105.1 ¥92.2 View Reel ¥73.9 ¥85.9 ¥82.2 ¥79.1 ¥77.2 ¥73.9 MouseReel Available	Min.: 1 Mult.: 1 : 4,000	I2C	YY-MM-DD-dd	HH:MM:SS:hh (12 hr, 24 hr)	HWSON-8	No Backup Switching	900 mV	5.5 V	- 40 C	+ 85 C	PCF85063TP	SMD/SMT		Reel, Cut Tape, MouseReel
Real Time Clock Real-Time Clock SPI interface with power management, -40 to +85 C, 16-pin QFN AM1815AQ Ambiq 1: ¥124.6 506In Stock 3,000Expected 1/8/2027	Mfr. Part # AM1815AQ Mouser Part # 222-AM1815AQ	Ambiq	Real Time Clock Real-Time Clock SPI interface with power management, -40 to +85 C, 16-pin QFN	Datasheet	506In Stock 3,000Expected 1/8/2027	¥124.6 ¥123.6	Min.: 1 Mult.: 1										Artasie SPI w/ Power Management
Real Time Clock 3-WIRE SERIAL INTERFACE REAL-TIME CLOCK ICs WITH VOLTAGE MONITORING FUNCTION RV5C338A-E2-F Nisshinbo 1: ¥272.4 2,000Expected 11/5/2026	Mfr. Part # RV5C338A-E2-F Mouser Part # 848-RV5C338A-E2-F	Nisshinbo	Real Time Clock 3-WIRE SERIAL INTERFACE REAL-TIME CLOCK ICs WITH VOLTAGE MONITORING FUNCTION	Datasheet	2,000Expected 11/5/2026	Cut Tape ¥272.4 ¥199.3 ¥181 ¥171.1 Reel ¥131.2 View ¥131.7 ¥130.2	Min.: 1 Mult.: 1 : 2,000				SSOP-10						RV5C338A			Reel, Cut Tape
Real Time Clock RTC Module with I2C or SPI interface featuring backup battery switch-over function in HLSON16 package. PCF2131TFY NXP Semiconductors 1: ¥607.9 110,216On Order	Mfr. Part # PCF2131TFY Mouser Part # 771-PCF2131TFY	NXP Semiconductors	Real Time Clock RTC Module with I2C or SPI interface featuring backup battery switch-over function in HLSON16 package. Learn More about NXP Semiconductors nxp pcf2131 rtc	Datasheet	110,216On Order On Order Ship Dates Mfr. #: PCF2131TFY Stock: 0 On Order: 34,216 Expected 11/2/2026 44,000 Expected 2/5/2027 32,000 Expected 10/11/2027 Factory Lead-Time: 16 Weeks	Cut Tape ¥607.9 ¥458.4 ¥420.2 ¥378.7 View Reel ¥312.3 ¥357.1 ¥348.8 ¥338.8 ¥333.9 ¥312.3 MouseReel Available	Min.: 1 Mult.: 1 : 4,000	Serial, I2C, SPI	YY-MM-DD-dd	HH:MM:SS:hh (12 hr, 24 hr)		Backup Switching	1.2 V	5.5 V	- 40 C	+ 85 C	PCF2131	SMD/SMT		Reel, Cut Tape, MouseReel
Real Time Clock 3 wire interface Real-Time Clock ICs with Battery Backup switch-over Function R2062L02-E2 Nisshinbo 3,000: ¥121.8 Non-Stocked Lead-Time 12 Weeks	Mfr. Part # R2062L02-E2 Mouser Part # 848-R2062L02-E2	Nisshinbo	Real Time Clock 3 wire interface Real-Time Clock ICs with Battery Backup switch-over Function		Non-Stocked Lead-Time 12 Weeks	Reel ¥121.8	Min.: 3,000 Mult.: 3,000 : 3,000				QFN023023-16						R2062L			Reel
Real Time Clock Real-Time Clock SPI interface, -40 to +85 C, 16-pin QFN AM0815AQ Ambiq 3,000: ¥111.5 Non-Stocked Lead-Time 24 Weeks	Mfr. Part # AM0815AQ Mouser Part # 222-AM0815AQ	Ambiq	Real Time Clock Real-Time Clock SPI interface, -40 to +85 C, 16-pin QFN	Datasheet	Non-Stocked Lead-Time 24 Weeks	¥111.5	Min.: 3,000 Mult.: 3,000										Artasie SPI
Real Time Clock I²C BUS Serial Interface RTC with High-precision Oscillation Adjustment BU9873NUX-TTR ROHM Semiconductor 1: ¥182.7 3,741In Stock End of Life	Mfr. Part # BU9873NUX-TTR Mouser Part # 755-BU9873NUX-TTR End of Life	ROHM Semiconductor	Real Time Clock I²C BUS Serial Interface RTC with High-precision Oscillation Adjustment	Datasheet	3,741In Stock	Cut Tape ¥182.7 ¥131.2 ¥118.1 ¥103.8 View ¥97.2 ¥93 ¥90 ¥86 ¥83.7 MouseReel Available	Min.: 1 Mult.: 1	Serial 2-Wire, I2C	YY-MM-DD-dd	HH:MM:SS:hh (12 hr, 24 hr)	VSON-8	No Backup Switching	1.8 V	5.5 V	- 40 C	+ 85 C		SMD/SMT		Reel, Cut Tape, MouseReel