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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.	RTC Bus Interface	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 82,204In 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	82,204In 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	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 Module with I2C or SPI interface featuring backup battery switch-over function in HLSON16 package. PCF2131TFY NXP Semiconductors 1: £2.75 1,121In Stock 68,000On 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	1,121In Stock 68,000On Order On Order Ship Dates Mfr. No: PCF2131TFY Stock: 1,121 Can Dispatch Immediately On Order: 36,000 Expected 09/11/2026 32,000 Expected 16/08/2027 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	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 in SO8 package. PCF85063AT/AY NXP Semiconductors 1: £0.676 50,198In 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	50,198In 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	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 HXSON10 package. PCF85063ATL/1,118 NXP Semiconductors 1: £0.638 54,502In 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	54,502In Stock	Cut Tape £0.638 £0.457 £0.411 £0.361 View Reel £0.282 £0.335 £0.32 £0.308 £0.302 £0.282 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 backup battery switch-over function in SO8 package. PCF85263AT/AJ NXP Semiconductors 1: £1.03 161,201In 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	161,201In Stock	Cut Tape £1.03 £0.766 £0.673 £0.595 Reel £0.505 View £0.559 £0.536 £0.519 £0.497 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 featuring backup battery switch-over function in HXSON10 package. PCF85263ATL/AX NXP Semiconductors 1: £0.995 80,934In 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	80,934In 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	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 I2C interface in SO8 package. PCF8563T/5,518 NXP Semiconductors 1: £0.899 50,983In 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	50,983In Stock	Cut Tape £0.899 £0.70 £0.614 £0.551 Reel £0.468 View £0.517 £0.503 £0.486 £0.454 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 Automotive RTC IC with 400 kHz I2C interface in TSSOP8 package. PCA85073ADP/Q900Z NXP Semiconductors 1: £1.24 3,904In 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	3,904In Stock 32,500On Order On Order Ship Dates Mfr. No: PCA85073ADP/Q900Z Stock: 3,904 Can Dispatch Immediately On Order: 17,500 Expected 11/01/2027 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	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. PCF85063ATT/AJ NXP Semiconductors 1: £0.728 7,498In 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	7,498In Stock 27,500On Order On Order Ship Dates Mfr. No: PCF85063ATT/AJ Stock: 7,498 Can Dispatch Immediately On Order: 15,000 Expected 29/03/2027 12,500 Expected 27/09/2027 Factory Lead Time: 27 Weeks	Cut Tape £0.728 £0.511 £0.458 £0.406 Reel £0.341 View £0.378 £0.362 £0.356 £0.333 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 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	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 backup battery switch-over function in TSSOP8 package. PCF85263ATT/AJ NXP Semiconductors 1: £1.05 4,017In 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	4,017In Stock 40,000On Order On Order Ship Dates Mfr. No: PCF85263ATT/AJ Stock: 4,017 Can Dispatch Immediately On Order: 20,000 Expected 05/04/2027 20,000 Expected 12/04/2027 Factory Lead Time: 27 Weeks	Cut Tape £1.05 £0.766 £0.69 £0.611 View Reel £0.512 £0.574 £0.551 £0.533 £0.512 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: £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	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 HWSON8 package. PCF85063TP/1Z NXP Semiconductors 1: £0.743 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 £0.743 £0.527 £0.46 £0.406 View Reel £0.33 £0.378 £0.362 £0.349 £0.33 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 RTC IC with 400 kHz I2C interface featuring 64 byte SRAM in TSSOP8 package. PCF85363ATT/AJ NXP Semiconductors 1: £1.25 74In 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	74In Stock 12,500On Order On Order Ship Dates Mfr. No: PCF85363ATT/AJ Stock: 74 Can Dispatch Immediately On Order: 7,500 Expected 28/10/2026 5,000 Expected 26/04/2027 Factory Lead Time: 27 Weeks	Cut Tape £1.25 £0.908 £0.826 £0.679 View Reel £0.58 £0.638 £0.614 £0.606 £0.58 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 TSSOP8 package. PCF8563TS/5,118 NXP Semiconductors 1: £1.32 2,392In 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	2,392In Stock 15,000On Order On Order Ship Dates Mfr. No: PCF8563TS/5,118 Stock: 2,392 Can Dispatch Immediately On Order: 7,500 Expected 22/10/2026 7,500 Expected 16/11/2026 Factory Lead Time: 27 Weeks	Cut Tape £1.32 £0.96 £0.882 £0.78 View Reel £0.657 £0.732 £0.704 £0.686 £0.657 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 tiny Real-Time Clock/calendar with alarm function and I2C-bus PCA85063ATT/AJ NXP Semiconductors 1: £1.26 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 09/11/2026 7,500 Expected 08/02/2027 Factory Lead Time: 27 Weeks	Cut Tape £1.26 £0.925 £0.766 £0.676 View Reel £0.578 £0.635 £0.609 £0.603 £0.578 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	+ 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 20/10/2026	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 20/10/2026	Cut Tape £3.27 £2.50 £2.30 £2.09 View Reel £1.79 £1.98 £1.96 £1.85 £1.80 £1.79	Min.: 1 Mult.: 1 : 4,000										PCA2131		AEC-Q100	Reel, Cut Tape
Real Time Clock RTC IC with 400 kHz I2C interface featuring 128 byte SRAM in HVSON12 package. PCF85053ATKJ NXP Semiconductors 1: £1.27 24,000On Order	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	24,000On Order On Order Ship Dates Mfr. No: PCF85053ATKJ Stock: 0 On Order: 12,000 Expected 07/10/2026 12,000 Expected 28/12/2026 Factory Lead Time: 16 Weeks	Cut Tape £1.27 £0.934 £0.841 £0.741 View Reel £0.617 £0.696 £0.669 £0.661 £0.637 £0.617 MouseReel Available	Min.: 1 Mult.: 1 : 6,000										PCF85053A	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	I2C		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 2,000: £0.952 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	Reel £0.952 £0.934	Min.: 2,000 Mult.: 2,000 : 2,000										PCF8553DTT			Reel
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	Datasheet			Restricted Availability	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

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