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NXP 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 backup battery switch-over function in HXSON10 package. PCF85263ATL/AX NXP Semiconductors 1: ¥206 75,855In 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	75,855In Stock	Cut Tape ¥206 ¥147.5 ¥133.2 ¥121.1 View Reel ¥98.7 ¥113.8 ¥109.3 ¥106.5 ¥106 ¥98.7 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: ¥235.9 81,184In 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	81,184In 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 RTC Module with I2C or SPI interface featuring backup battery switch-over function in HLSON16 package. PCF2131TFY NXP Semiconductors 1: ¥629.5 29,893In Stock 76,000On 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	29,893In Stock 76,000On Order On Order Ship Dates Mfr. #: PCF2131TFY Stock: 29,893 Can Ship Immediately On Order: 44,000 Expected 12/6/2027 32,000 TBD Factory Lead-Time: 16 Weeks	Cut Tape ¥629.5 ¥471.7 ¥431.9 ¥388.7 View Reel ¥322.2 ¥367.1 ¥357.1 ¥338.8 ¥333.9 ¥322.2 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: ¥149.5 39,367In 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	39,367In 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 HXSON10 package. PCF85063ATL/1,118 NXP Semiconductors 1: ¥141.2 46,191In Stock 28,000Expected 11/12/2026	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	46,191In Stock 28,000Expected 11/12/2026	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 backup battery switch-over function in SO8 package. PCF85263AT/AJ NXP Semiconductors 1: ¥250.8 154,764In 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	154,764In Stock	Cut Tape ¥250.8 ¥182.7 ¥163.8 ¥145.3 Reel ¥121.3 View ¥136.5 ¥131.2 ¥129.6 ¥118.6 MouseReel Available	Min.: 1 Mult.: 1 : 2,500	Serial 2-Wire, I2C	YY-MM-DD-dd	HH:MM:SS:hh (12 hr, 24 hr)	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: ¥207.6 46,621In 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	46,621In Stock	Cut Tape ¥207.6 ¥169.4 ¥142 ¥127.2 View Reel ¥109 ¥120.3 ¥116.1 ¥112.6 ¥109 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 module, featuring I2C or SPI interface in HLSON16 package. PCA2131TF/Q900Y NXP Semiconductors 1: ¥724.2 3,284In 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	3,284In Stock	Cut Tape ¥724.2 ¥553.1 ¥511.6 ¥466.7 View Reel ¥395.3 ¥445.1 ¥440.2 ¥416.9 ¥415.3 ¥395.3	Min.: 1 Mult.: 1 : 4,000										PCA2131		AEC-Q100	Reel, Cut Tape
Real Time Clock RTC IC with 400 kHz I2C interface in TSSOP8 package. PCF85063ATT/AJ NXP Semiconductors 1: ¥157.8 6,025In 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	6,025In Stock 27,500On Order On Order Ship Dates Mfr. #: PCF85063ATT/AJ Stock: 6,025 Can Ship Immediately On Order: 15,000 Expected 3/1/2027 12,500 Expected 7/5/2027 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 RTC IC with 400 kHz SPI Interface in HXSON10 package. PCF85063BTL/1,118 NXP Semiconductors 1: ¥132.9 13,127In 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	13,127In 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 featuring backup battery switch-over function in TSSOP10 package. PCF85263ATT1/AZ NXP Semiconductors 1: ¥240.8 5,388In Stock 7,500Expected 11/16/2026	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	5,388In Stock 7,500Expected 11/16/2026	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 RTC IC with 400 kHz I2C interface featuring 64 byte SRAM in TSSOP8 package. PCF85363ATT/AJ NXP Semiconductors 1: ¥290.7 8,226In Stock 5,000Expected 5/3/2027	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	8,226In Stock 5,000Expected 5/3/2027	Cut Tape ¥290.7 ¥212.6 ¥192.7 ¥171.1 Reel ¥143 View ¥160.3 ¥154.1 ¥151.3 ¥140.7 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: ¥302.3 15,131In Stock	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	15,131In Stock	Cut Tape ¥302.3 ¥222.6 ¥202.6 ¥182.7 Reel ¥156.6 View ¥172.7 ¥167.8 ¥164.4 ¥149.8 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 2,819In Stock 52,500On 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	2,819In Stock 52,500On Order On Order Ship Dates Mfr. #: PCA85073ADP/Q900Z Stock: 2,819 Can Ship Immediately On Order: 17,500 Expected 2/16/2027 15,000 Expected 3/22/2027 20,000 Expected 5/3/2027 Factory Lead-Time: 27 Weeks	Cut Tape ¥274.1 ¥201 ¥182.7 ¥161.6 View Reel ¥136.2 ¥152 ¥146.2 ¥142.2 ¥136.2 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: ¥229.2 3,550In Stock 40,000Expected 2/15/2027	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	3,550In Stock 40,000Expected 2/15/2027	Cut Tape ¥229.2 ¥167.8 ¥150.7 ¥133.4 View Reel ¥112.8 ¥125.2 ¥120.3 ¥117.8 ¥112.8 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 Automotive tiny Real-Time Clock/calendar with alarm function and I2C-bus PCA85063ATT/AJ NXP Semiconductors 1: ¥297.3 13In Stock 12,500On Order NRND	Mfr. Part # PCA85063ATT/AJ Mouser Part # 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. #: PCA85063ATT/AJ Stock: 13 Can Ship Immediately On Order: 5,000 Expected 1/14/2027 7,500 Expected 2/1/2027 Factory Lead-Time: 27 Weeks	Cut Tape ¥297.3 ¥219.3 ¥192.7 ¥171.1 View Reel ¥140.4 ¥159.5 ¥153.3 ¥150.5 ¥140.4 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: ¥287.4 30In Stock	Mfr. Part # PCF8563T/F4,118 Mouser Part # 771-PCF8563TD-T	NXP Semiconductors	Real Time Clock ULTRA LO PWR CLK/CAL RTC IC	Datasheet	30In Stock	Cut Tape ¥287.4 ¥210.9 ¥191 ¥171.1 ¥144.5 View ¥161 ¥154.8 ¥154 ¥141.4 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: ¥164.4 75,250Expected 3/29/2027	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	75,250Expected 3/29/2027	Cut Tape ¥164.4 ¥123.4 ¥108 ¥94.8 View Reel ¥77.2 ¥88.7 ¥84.9 ¥81.9 ¥77.2 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 128 byte SRAM in HVSON12 package. PCF85053ATKJ NXP Semiconductors 1: ¥312.3 11,985Expected 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	11,985Expected 1/4/2027	Cut Tape ¥312.3 ¥229.2 ¥207.6 ¥186 View Reel ¥152.5 ¥174.4 ¥167.8 ¥165.1 ¥155.3 ¥152.5 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: ¥79.6 Non-Stocked Lead-Time 16 Weeks	Mfr. Part # PCF85163T/1,518 Mouser Part # 771-PCF85163T1518	NXP Semiconductors	Real Time Clock PCF85163T/1		Non-Stocked Lead-Time 16 Weeks	Reel ¥79.6 ¥77.4	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: ¥210.9 Non-Stocked Lead-Time 16 Weeks	Mfr. Part # PCF8553DTT/AY Mouser Part # 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 ¥210.9 ¥206	Min.: 2,000 Mult.: 2,000 : 2,000										PCF8553DTT			Reel

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NXP Real Time Clock

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