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NXP Real Time Clock

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Image	Part #	Mfr.	Description	Datasheet	Availability	Pricing (GBP) Filter the results in the table by unit price based on your quantity.	Qty.	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: £0.995 81,394In 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	81,394In Stock	Cut Tape £0.995 £0.788 £0.73 £0.67 View Reel £0.601 £0.643 £0.625 £0.618 £0.602 £0.601 MouseReel Available	Min.: 1 Mult.: 1 : 4,000	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 128 byte SRAM in HVSON12 package. PCF85053ATKJ NXP Semiconductors 1: £1.37 12,000In Stock 12,000Expected 28/12/2026	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	12,000In Stock 12,000Expected 28/12/2026	Cut Tape £1.37 £0.995 £0.908 £0.811 View Reel £0.668 £0.766 £0.732 £0.727 £0.683 £0.668 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 in SO8 package. PCF85063AT/AY NXP Semiconductors 1: £0.676 45,827In 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	45,827In Stock	Cut Tape £0.676 £0.483 £0.435 £0.382 Reel £0.313 View £0.356 £0.34 £0.327 £0.304 MouseReel Available	Min.: 1 Mult.: 1 : 2,500	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 HXSON10 package. PCF85063ATL/1,118 NXP Semiconductors 1: £0.638 54,052In Stock	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	54,052In Stock	Cut Tape £0.638 £0.457 £0.411 £0.361 View Reel £0.286 £0.335 £0.32 £0.308 £0.302 £0.286 MouseReel Available	Min.: 1 Mult.: 1 : 4,000	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 backup battery switch-over function in SO8 package. PCF85263AT/AJ NXP Semiconductors 1: £1.13 158,118In 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	158,118In Stock	Cut Tape £1.13 £0.826 £0.74 £0.657 Reel £0.554 View £0.617 £0.593 £0.586 £0.542 MouseReel Available	Min.: 1 Mult.: 1 : 2,500	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 featuring backup battery switch-over function in HXSON10 package. PCF85263ATL/AX NXP Semiconductors 1: £0.995 80,492In 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	80,492In Stock	Cut Tape £0.995 £0.717 £0.649 £0.574 View Reel £0.472 £0.538 £0.516 £0.498 £0.491 £0.472 MouseReel Available	Min.: 1 Mult.: 1 : 4,000	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 I2C interface in SO8 package. PCF8563T/5,518 NXP Semiconductors 1: £0.96 45,495In 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	45,495In Stock	Cut Tape £0.96 £0.714 £0.652 £0.584 Reel £0.494 View £0.552 £0.533 £0.513 £0.484 MouseReel Available	Min.: 1 Mult.: 1 : 2,500	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 TSSOP8 package. PCF85063ATT/AJ NXP Semiconductors 1: £0.713 7,343In 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	7,343In Stock 27,500On Order On Order Ship Dates Mfr. No: PCF85063ATT/AJ Stock: 7,343 Can Dispatch Immediately On Order: 15,000 Expected 29/03/2027 12,500 Expected 27/09/2027 Factory Lead Time: 27 Weeks	Cut Tape £0.713 £0.485 £0.437 £0.406 Reel £0.341 View £0.378 £0.362 £0.356 £0.333 MouseReel Available	Min.: 1 Mult.: 1 : 2,500	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 RTC IC with 400 kHz SPI Interface in HXSON10 package. PCF85063BTL/1,118 NXP Semiconductors 1: £0.601 5,377In Stock 8,000Expected 12/10/2026	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	5,377In Stock 8,000Expected 12/10/2026	Cut Tape £0.601 £0.435 £0.395 £0.36 View Reel £0.286 £0.335 £0.32 £0.311 £0.303 £0.286 MouseReel Available	Min.: 1 Mult.: 1 : 4,000	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 backup battery switch-over function in TSSOP8 package. PCF85263ATT/AJ NXP Semiconductors 1: £1.09 2,817In Stock 40,000On Order	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	2,817In Stock 40,000On Order On Order Ship Dates Mfr. No: PCF85263ATT/AJ Stock: 2,817 Can Dispatch Immediately On Order: 20,000 Expected 05/04/2027 20,000 Expected 12/04/2027 Factory Lead Time: 27 Weeks	Cut Tape £1.09 £0.796 £0.718 £0.636 View Reel £0.526 £0.598 £0.574 £0.562 £0.526 MouseReel Available	Min.: 1 Mult.: 1 : 2,500	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: £1.09 5,642In Stock 7,500Expected 30/11/2026	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	5,642In Stock 7,500Expected 30/11/2026	Cut Tape £1.09 £0.796 £0.717 £0.634 Reel £0.536 View £0.594 £0.57 £0.55 £0.518 MouseReel Available	Min.: 1 Mult.: 1 : 2,500	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 Automotive RTC IC with 400 kHz I2C interface in TSSOP8 package. PCA85073ADP/Q900Z NXP Semiconductors 1: £1.24 179In Stock 32,500On 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	179In Stock 32,500On Order On Order Ship Dates Mfr. No: PCA85073ADP/Q900Z Stock: 179 Can Dispatch Immediately On Order: 17,500 Expected 09/02/2027 15,000 Expected 15/03/2027 Factory Lead Time: 27 Weeks	Cut Tape £1.24 £0.899 £0.818 £0.721 Reel £0.601 View £0.677 £0.65 £0.643 £0.594 MouseReel Available	Min.: 1 Mult.: 1 : 2,500	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 HWSON8 package. PCF85063TP/1Z NXP Semiconductors 1: £0.759 5In Stock 76,000Expected 12/04/2027	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	5In Stock 76,000Expected 12/04/2027	Cut Tape £0.759 £0.528 £0.475 £0.416 View Reel £0.334 £0.388 £0.372 £0.357 £0.349 £0.334 MouseReel Available	Min.: 1 Mult.: 1 : 4,000	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 RTC IC with 400 kHz I2C interface featuring 64 byte SRAM in TSSOP8 package. PCF85363ATT/AJ NXP Semiconductors 1: £1.27 233In Stock 12,500On Order	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	233In Stock 12,500On Order On Order Ship Dates Mfr. No: PCF85363ATT/AJ Stock: 233 Can Dispatch Immediately On Order: 7,500 Expected 14/10/2026 5,000 Expected 26/04/2027 Factory Lead Time: 27 Weeks	Cut Tape £1.27 £0.934 £0.849 £0.747 View Reel £0.609 £0.702 £0.674 £0.666 £0.609 MouseReel Available	Min.: 1 Mult.: 1 : 2,500	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 TSSOP8 package. PCF8563TS/5,118 NXP Semiconductors 1: £1.42 964In Stock 15,000On Order	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	964In Stock 15,000On Order On Order Ship Dates Mfr. No: PCF8563TS/5,118 Stock: 964 Can Dispatch Immediately On Order: 7,500 Expected 15/10/2026 7,500 Expected 16/11/2026 Factory Lead Time: 27 Weeks	Cut Tape £1.42 £1.05 £0.943 £0.841 View Reel £0.657 £0.796 £0.78 £0.657 MouseReel Available	Min.: 1 Mult.: 1 : 2,500	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 tiny Real-Time Clock/calendar with alarm function and I2C-bus PCA85063ATT/AJ NXP Semiconductors 1: £1.27 13In Stock 12,500On Order NRND	Mfr. Part No. PCA85063ATT/AJ Mouser Part No 771-PCA85063ATT/AJ NRND	NXP Semiconductors	Real Time Clock Automotive tiny Real-Time Clock/calendar with alarm function and I2C-bus	Datasheet	13In Stock 12,500On Order On Order Ship Dates Mfr. No: PCA85063ATT/AJ Stock: 13 Can Dispatch Immediately On Order: 5,000 Expected 28/12/2026 7,500 Expected 08/02/2027 Factory Lead Time: 27 Weeks	Cut Tape £1.27 £0.934 £0.841 £0.743 View Reel £0.595 £0.698 £0.67 £0.663 £0.595 MouseReel Available	Min.: 1 Mult.: 1 : 2,500	YY-MM-DD-dd	HH:MM:SS:hh (12 hr, 24 hr)	TSSOP-8	No Backup Switching	900 mV	5.5 V	- 40 C	+ 105 C	PCA85063A	SMD/SMT	AEC-Q100	Reel, Cut Tape, MouseReel
Real Time Clock Automotive RTC module, featuring I2C or SPI interface in HLSON16 package. PCA2131TF/Q900Y NXP Semiconductors 1: £3.27 7,750Expected 13/10/2026	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	7,750Expected 13/10/2026	Cut Tape £3.27 £2.50 £2.30 £2.11 View Reel £1.79 £2.01 £1.98 £1.83 £1.81 £1.79	Min.: 1 Mult.: 1 : 4,000									PCA2131		AEC-Q100	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: £2.75 66,329On 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	66,329On Order On Order Ship Dates Mfr. No: PCF2131TFY Stock: 0 On Order: 34,329 Expected 09/11/2026 32,000 Expected 04/10/2027 Factory Lead Time: 16 Weeks	Cut Tape £2.75 £2.07 £1.90 £1.71 View Reel £1.41 £1.62 £1.58 £1.53 £1.51 £1.41 MouseReel Available	Min.: 1 Mult.: 1 : 4,000	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 PCF85163T/1 PCF85163T/1,518 NXP Semiconductors 2,500: £0.382 Non-Stocked Lead-Time 16 Weeks	Mfr. Part No. PCF85163T/1,518 Mouser Part No 771-PCF85163T1518	NXP Semiconductors	Real Time Clock PCF85163T/1		Non-Stocked Lead-Time 16 Weeks	Reel £0.382 £0.373	Min.: 2,500 Mult.: 2,500 : 2,500		HH:MM:SS (24 hr)	SOT-96		1 V	5.5 V				SMD/SMT		Reel
Real Time Clock 4 x 40 I C-bus LCD Segment Driver in TSSOP56 Package NXP Semiconductors PCF8553DTT/AY PCF8553DTT/AY NXP Semiconductors 1: £1.85 Non-Stocked Lead-Time 16 Weeks	Mfr. Part No. PCF8553DTT/AY Mouser Part No 771-PCF8553DTT/AY	NXP Semiconductors	Real Time Clock 4 x 40 I C-bus LCD Segment Driver in TSSOP56 Package Learn More about NXP Semiconductors nxplogic	Datasheet	Non-Stocked Lead-Time 16 Weeks	Cut Tape £1.85 £1.37 £1.25 £1.11 Reel £0.952 View £1.05 £1.02 £0.986 £0.934	Min.: 1 Mult.: 1 : 2,000									PCF8553DTT			Reel, Cut Tape
Real Time Clock ULTRA LO PWR CLK/CAL RTC IC PCF8563T/F4,118 NXP Semiconductors Restricted Availability	Mfr. Part No. PCF8563T/F4,118 Mouser Part No 771-PCF8563TD-T	NXP Semiconductors	Real Time Clock ULTRA LO PWR CLK/CAL RTC IC Mouser does not presently sell this product in your region.	Datasheet			Restricted Availability	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

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