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Interface IC's 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	Qualification	Packaging
Real Time Clock RTC IC with 400 kHz I2C interface featuring 64 byte SRAM in HXSON10 package. PCF85363ATL/AX NXP Semiconductors 1: $1.42 81,184In Stock	Mfr. Part No. PCF85363ATL/AX Mouser Part No 771-PCF85363ATL/AX	NXP Semiconductors	Real Time Clock RTC IC with 400 kHz I2C interface featuring 64 byte SRAM in HXSON10 package.	Datasheet	81,184In Stock	Cut Tape $1.42 $1.11 $1.04 $0.95 View Reel $0.807 $0.91 $0.886 $0.878 $0.857 $0.807 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 RTC IC with 400 kHz I2C interface featuring backup battery switch-over function in HXSON10 package. PCF85263ATL/AX NXP Semiconductors 1: $1.24 76,056In Stock	Mfr. Part No. PCF85263ATL/AX Mouser Part No 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	76,056In Stock	Cut Tape $1.24 $0.888 $0.802 $0.729 View Reel $0.594 $0.685 $0.658 $0.641 $0.638 $0.594 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 4-wire Serial Interface RV5C348B-E2-F Nisshinbo 1: $1.64 1,445In Stock	Mfr. Part No. RV5C348B-E2-F Mouser Part No 848-RV5C348B-E2-F	Nisshinbo	Real Time Clock 4-wire Serial Interface	Datasheet	1,445In Stock	Cut Tape $1.64 $1.20 $1.09 $0.961 Reel $0.797 View $0.903 $0.868 $0.798 $0.793 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: $0.90 39,767In Stock	Mfr. Part No. PCF85063AT/AY Mouser Part No 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	39,767In Stock	Cut Tape $0.90 $0.643 $0.579 $0.509 Reel $0.416 View $0.474 $0.453 $0.435 $0.405 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: $1.25 46,621In Stock	Mfr. Part No. PCF8563T/5,518 Mouser Part No 771-PCF8563T/5518	NXP Semiconductors	Real Time Clock RTC IC with 400 kHz I2C interface in SO8 package.	Datasheet	46,621In Stock	Cut Tape $1.25 $1.02 $0.855 $0.766 View Reel $0.656 $0.724 $0.699 $0.678 $0.656 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: $0.85 46,316In Stock 28,000Expected 12/11/2026	Mfr. Part No. PCF85063ATL/1,118 Mouser Part No 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	46,316In Stock 28,000Expected 12/11/2026	Cut Tape $0.85 $0.608 $0.548 $0.48 View Reel $0.381 $0.446 $0.426 $0.41 $0.402 $0.381 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 Automotive RTC IC with 400 kHz I2C interface in TSSOP8 package. PCA85073ADP/Q900Z NXP Semiconductors 1: $1.65 3,085In Stock 52,500On Order	Mfr. Part No. PCA85073ADP/Q900Z Mouser Part No 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	3,085In Stock 52,500On Order On Order Ship Dates Mfr. No: PCA85073ADP/Q900Z Stock: 3,085 Can Dispatch Immediately On Order: 17,500 Expected 16/02/2027 15,000 Expected 22/03/2027 20,000 Expected 06/05/2027 Factory Lead Time: 27 Weeks	Cut Tape $1.65 $1.21 $1.10 $0.973 View Reel $0.82 $0.915 $0.88 $0.856 $0.82 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 in TSSOP8 package. PCF8563TS/5,118 NXP Semiconductors 1: $1.82 9,136In Stock 6,495Expected 10/11/2026	Mfr. Part No. PCF8563TS/5,118 Mouser Part No 771-PCF8563TS/5118	NXP Semiconductors	Real Time Clock RTC IC with 400 kHz I2C interface in TSSOP8 package.	Datasheet	9,136In Stock 6,495Expected 10/11/2026	Cut Tape $1.82 $1.34 $1.22 $1.10 Reel $0.943 View $1.04 $1.01 $0.99 $0.902 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 RTC IC with 400 kHz I2C interface featuring 128 byte SRAM in HVSON12 package. PCF85053ATKJ NXP Semiconductors 1: $1.88 5,950In Stock 6,000Expected 04/01/2027	Mfr. Part No. PCF85053ATKJ Mouser Part No 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	5,950In Stock 6,000Expected 04/01/2027	Cut Tape $1.88 $1.38 $1.25 $1.12 View Reel $0.918 $1.05 $1.01 $0.994 $0.935 $0.918 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: $1.51 154,824In Stock	Mfr. Part No. PCF85263AT/AJ Mouser Part No 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	154,824In Stock	Cut Tape $1.51 $1.10 $0.986 $0.875 Reel $0.73 View $0.822 $0.79 $0.78 $0.714 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 Automotive RTC module, featuring I2C or SPI interface in HLSON16 package. PCA2131TF/Q900Y NXP Semiconductors 1: $4.36 7,305In Stock	Mfr. Part No. PCA2131TF/Q900Y Mouser Part No 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	7,305In Stock	Cut Tape $4.36 $3.33 $3.08 $2.81 View Reel $2.38 $2.68 $2.65 $2.51 $2.50 $2.38	Min.: 1 Mult.: 1 : 4,000										PCA2131		AEC-Q100	Reel, Cut Tape
Real Time Clock RTC IC with 400 kHz SPI Interface in HXSON10 package. PCF85063BTL/1,118 NXP Semiconductors 1: $0.80 13,377In Stock	Mfr. Part No. PCF85063BTL/1,118 Mouser Part No 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 $0.80 $0.579 $0.525 $0.479 View Reel $0.381 $0.446 $0.426 $0.414 $0.404 $0.381 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 featuring 64 byte SRAM in TSSOP8 package. PCF85363ATT/AJ NXP Semiconductors 1: $1.75 8,231In Stock 5,000Expected 03/05/2027	Mfr. Part No. PCF85363ATT/AJ Mouser Part No 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	8,231In Stock 5,000Expected 03/05/2027	Cut Tape $1.75 $1.28 $1.16 $1.03 Reel $0.861 View $0.965 $0.928 $0.911 $0.847 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 featuring backup battery switch-over function in TSSOP8 package. PCF85263ATT/AJ NXP Semiconductors 1: $1.38 4,570In Stock 40,000Expected 15/02/2027	Mfr. Part No. PCF85263ATT/AJ Mouser Part No 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	4,570In Stock 40,000Expected 15/02/2027	Cut Tape $1.38 $1.01 $0.907 $0.803 View Reel $0.679 $0.754 $0.724 $0.709 $0.679 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 Module with I2C or SPI interface featuring backup battery switch-over function in HLSON16 package. PCF2131TFY NXP Semiconductors 1: $3.79 26,104In Stock 80,000On Order	Mfr. Part No. PCF2131TFY Mouser Part No 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	26,104In Stock 80,000On Order On Order Ship Dates Mfr. No: PCF2131TFY Stock: 26,104 Can Dispatch Immediately On Order: 4,000 Expected 02/11/2026 44,000 Expected 06/12/2027 32,000 TBD Factory Lead Time: 16 Weeks	Cut Tape $3.79 $2.84 $2.60 $2.34 View Reel $1.94 $2.21 $2.15 $2.04 $2.01 $1.94 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 RTC IC with 400 kHz I2C interface featuring backup battery switch-over function in TSSOP10 package. PCF85263ATT1/AZ NXP Semiconductors 1: $1.45 5,391In Stock 7,500Expected 07/12/2026	Mfr. Part No. PCF85263ATT1/AZ Mouser Part No 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	5,391In Stock 7,500Expected 07/12/2026	Cut Tape $1.45 $1.06 $0.955 $0.844 Reel $0.714 View $0.791 $0.759 $0.733 $0.69 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 RTC IC with 400 kHz I2C interface in TSSOP8 package. PCF85063ATT/AJ NXP Semiconductors 1: $0.95 3,275In Stock 27,500On Order	Mfr. Part No. PCF85063ATT/AJ Mouser Part No 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	3,275In Stock 27,500On Order On Order Ship Dates Mfr. No: PCF85063ATT/AJ Stock: 3,275 Can Dispatch Immediately On Order: 15,000 Expected 01/03/2027 12,500 Expected 05/07/2027 Factory Lead Time: 27 Weeks	Cut Tape $0.95 $0.646 $0.581 $0.541 View Reel $0.455 $0.504 $0.482 $0.474 $0.455 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 Real-Time Clock I2C Interface Integrated Circuit, -40 to +85 C, 16-pin QFN AM0805AQ Ambiq 1: $0.68 2,609In Stock	Mfr. Part No. AM0805AQ Mouser Part No 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	$0.68	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: $0.75 1,527In Stock 15,000Expected 08/01/2027	Mfr. Part No. AM1805AQ Mouser Part No 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	1,527In Stock 15,000Expected 08/01/2027	$0.75	Min.: 1 Mult.: 1										Artasie I2C w/ Power Management
Real Time Clock RTC IC with 400 kHz I2C interface in HWSON8 package. PCF85063TP/1Z NXP Semiconductors 1: $0.99 1In Stock 76,000Expected 29/03/2027	Mfr. Part No. PCF85063TP/1Z Mouser Part No 771-PCF85063TP/1Z	NXP Semiconductors	Real Time Clock RTC IC with 400 kHz I2C interface in HWSON8 package.	Datasheet	1In Stock 76,000Expected 29/03/2027	Cut Tape $0.99 $0.743 $0.65 $0.571 View Reel $0.465 $0.534 $0.511 $0.493 $0.465 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: $0.75 106In Stock 3,000Expected 08/01/2027	Mfr. Part No. AM1815AQ Mouser Part No 222-AM1815AQ	Ambiq	Real Time Clock Real-Time Clock SPI interface with power management, -40 to +85 C, 16-pin QFN	Datasheet	106In Stock 3,000Expected 08/01/2027	$0.75	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: $1.64 2,000Expected 13/11/2026	Mfr. Part No. RV5C338A-E2-F Mouser Part No 848-RV5C338A-E2-F	Nisshinbo	Real Time Clock 3-WIRE SERIAL INTERFACE REAL-TIME CLOCK ICs WITH VOLTAGE MONITORING FUNCTION	Datasheet	2,000Expected 13/11/2026	Cut Tape $1.64 $1.20 $1.09 $1.03 Reel $0.79 View $0.793 $0.784	Min.: 1 Mult.: 1 : 2,000				SSOP-10						RV5C338A			Reel, Cut Tape
Real Time Clock 3 wire interface Real-Time Clock ICs with Battery Backup switch-over Function R2062L02-E2 Nisshinbo 3,000: $0.733 Non-Stocked Lead-Time 12 Weeks	Mfr. Part No. R2062L02-E2 Mouser Part No 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 $0.733	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: $0.68 Non-Stocked Lead-Time 24 Weeks	Mfr. Part No. AM0815AQ Mouser Part No 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	$0.68	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: $1.10 3,741In Stock End of Life	Mfr. Part No. BU9873NUX-TTR Mouser Part No 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 $1.10 $0.79 $0.711 $0.625 View $0.585 $0.56 $0.542 $0.518 $0.504 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