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NXP Real Time Clock

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Image	Part #	Mfr.	Description	Datasheet	Availability	Pricing (CHF) 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 backup battery switch-over function in HXSON10 package. PCF85263ATL/AX NXP Semiconductors 1: CHF 1.00 76’063In 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	76’063In Stock	Cut Tape CHF 1.00 CHF 0.715 CHF 0.646 CHF 0.587 View Reel CHF 0.478 CHF 0.551 CHF 0.53 CHF 0.516 CHF 0.514 CHF 0.478 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 featuring 64 byte SRAM in HXSON10 package. PCF85363ATL/AX NXP Semiconductors 1: CHF 1.14 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 CHF 1.14 CHF 0.894 CHF 0.837 CHF 0.765 View Reel CHF 0.65 CHF 0.733 CHF 0.713 CHF 0.707 CHF 0.69 CHF 0.65 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 128 byte SRAM in HVSON12 package. PCF85053ATKJ NXP Semiconductors 1: CHF 1.52 5’950In Stock 6’000Expected 1/4/2027	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 1/4/2027	Cut Tape CHF 1.52 CHF 1.11 CHF 1.01 CHF 0.901 View Reel CHF 0.739 CHF 0.845 CHF 0.813 CHF 0.80 CHF 0.753 CHF 0.739 MouseReel Available	Min.: 1 Mult.: 1 : 6’000										PCF85053A	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: CHF 3.51 7’555In 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	7’555In Stock	Cut Tape CHF 3.51 CHF 2.68 CHF 2.48 CHF 2.27 View Reel CHF 1.92 CHF 2.15 CHF 2.13 CHF 2.02 CHF 2.01 CHF 1.92	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: CHF 3.05 26’116In 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	26’116In Stock 80’000On Order On Order Ship Dates Mfr. No: PCF2131TFY Stock: 26’116 Can Dispatch Immediately On Order: 4’000 Expected 11/2/2026 32’000 Expected 11/1/2027 44’000 Expected 12/6/2027 Factory Lead Time: 16 Weeks	Cut Tape CHF 3.05 CHF 2.28 CHF 2.10 CHF 1.88 View Reel CHF 1.56 CHF 1.78 CHF 1.73 CHF 1.64 CHF 1.62 CHF 1.56 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: CHF 0.724 44’767In 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	44’767In Stock	Cut Tape CHF 0.724 CHF 0.518 CHF 0.466 CHF 0.41 Reel CHF 0.335 View CHF 0.382 CHF 0.365 CHF 0.35 CHF 0.326 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: CHF 0.684 46’316In Stock 28’000Expected 11/12/2026	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 11/12/2026	Cut Tape CHF 0.684 CHF 0.49 CHF 0.441 CHF 0.387 View Reel CHF 0.307 CHF 0.359 CHF 0.343 CHF 0.33 CHF 0.324 CHF 0.307 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: CHF 1.22 154’824In 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 CHF 1.22 CHF 0.885 CHF 0.794 CHF 0.705 Reel CHF 0.588 View CHF 0.662 CHF 0.636 CHF 0.628 CHF 0.575 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 SO8 package. PCF8563T/5,518 NXP Semiconductors 1: CHF 1.01 46’681In 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	46’681In Stock	Cut Tape CHF 1.01 CHF 0.821 CHF 0.688 CHF 0.617 View Reel CHF 0.528 CHF 0.583 CHF 0.563 CHF 0.546 CHF 0.528 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: CHF 1.33 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 2/16/2027 15’000 Expected 3/22/2027 Factory Lead Time: 27 Weeks	Cut Tape CHF 1.33 CHF 0.973 CHF 0.885 CHF 0.783 View Reel CHF 0.66 CHF 0.737 CHF 0.709 CHF 0.689 CHF 0.66 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: CHF 0.765 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 3/1/2027 12’500 Expected 7/5/2027 Factory Lead Time: 27 Weeks	Cut Tape CHF 0.765 CHF 0.52 CHF 0.468 CHF 0.435 View Reel CHF 0.366 CHF 0.405 CHF 0.388 CHF 0.382 CHF 0.366 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: CHF 0.644 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 CHF 0.644 CHF 0.466 CHF 0.423 CHF 0.386 View Reel CHF 0.307 CHF 0.359 CHF 0.343 CHF 0.333 CHF 0.325 CHF 0.307 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: CHF 1.11 2’834In Stock 40’000Expected 2/15/2027	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	2’834In Stock 40’000Expected 2/15/2027	Cut Tape CHF 1.11 CHF 0.813 CHF 0.73 CHF 0.647 View Reel CHF 0.547 CHF 0.607 CHF 0.583 CHF 0.571 CHF 0.547 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: CHF 1.17 5’392In Stock 7’500Expected 12/7/2026	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	5’392In Stock 7’500Expected 12/7/2026	Cut Tape CHF 1.17 CHF 0.854 CHF 0.768 CHF 0.68 Reel CHF 0.575 View CHF 0.636 CHF 0.611 CHF 0.59 CHF 0.555 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 featuring 64 byte SRAM in TSSOP8 package. PCF85363ATT/AJ NXP Semiconductors 1: CHF 1.41 8’231In Stock 5’000Expected 5/3/2027	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 5/3/2027	Cut Tape CHF 1.41 CHF 1.03 CHF 0.934 CHF 0.829 Reel CHF 0.693 View CHF 0.777 CHF 0.747 CHF 0.733 CHF 0.681 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: CHF 1.47 10’139In Stock 6’495Expected 11/10/2026	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	10’139In Stock 6’495Expected 11/10/2026	Cut Tape CHF 1.47 CHF 1.08 CHF 0.983 CHF 0.885 Reel CHF 0.759 View CHF 0.837 CHF 0.813 CHF 0.797 CHF 0.726 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: CHF 1.44 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 1/14/2027 7’500 Expected 2/1/2027 Factory Lead Time: 27 Weeks	Cut Tape CHF 1.44 CHF 1.07 CHF 0.934 CHF 0.829 View Reel CHF 0.68 CHF 0.773 CHF 0.743 CHF 0.729 CHF 0.68 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 ULTRA LO PWR CLK/CAL RTC IC PCF8563T/F4,118 NXP Semiconductors 1: CHF 1.39 35In Stock	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	35In Stock	Cut Tape CHF 1.39 CHF 1.02 CHF 0.926 CHF 0.829 CHF 0.70 View CHF 0.78 CHF 0.751 CHF 0.746 CHF 0.685 MouseReel Available	Min.: 1 Mult.: 1	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 HWSON8 package. PCF85063TP/1Z NXP Semiconductors 1: CHF 0.797 1In Stock 76’000Expected 3/29/2027	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 3/29/2027	Cut Tape CHF 0.797 CHF 0.598 CHF 0.523 CHF 0.46 View Reel CHF 0.374 CHF 0.43 CHF 0.411 CHF 0.397 CHF 0.374 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 PCF85163T/1 PCF85163T/1,518 NXP Semiconductors 2’500: CHF 0.386 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 CHF 0.386 CHF 0.375	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 1: CHF 1.98 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 CHF 1.98 CHF 1.47 CHF 1.34 CHF 1.19 Reel CHF 1.02 View CHF 1.12 CHF 1.10 CHF 1.06 CHF 1.00	Min.: 1 Mult.: 1 : 2’000										PCF8553DTT			Reel, Cut Tape

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NXP Real Time Clock

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