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Real Time Clock

Real Time Clocks are in stock with same-day shipping at Mouser from industry leading manufacturers. Mouser is an authorized distributor for many real time clock manufacturers including Analog Devices, Epson, Microchip, Micro Crystal, NXP, Renesas Electronics, STMicroelectronics & more.
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Image	Part #	Mfr.	Description	Datasheet	Availability	Pricing (DKK) 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	Packaging
Real Time Clock Micro Crystal RV-3149-C3-32.768k-OPTION-A-TB-QA RV-3149-C3-32.768k-OPTION-A-TB-QA Micro Crystal 1.000: 20,96 kr. Non-Stocked	Mfr. Part No. RV-3149-C3-32.768k-OPTION-A-TB-QA Mouser Part No 428-203641-MG1	Micro Crystal	Real Time Clock	Datasheet	Non-Stocked	20,96 kr.	Min.: 1.000 Mult.: 1.000
Real Time Clock Micro Crystal RV-3149-C3-32.768k-OPTION-B-TB-QA RV-3149-C3-32.768k-OPTION-B-TB-QA Micro Crystal 1.000: 17,46 kr. Non-Stocked	Mfr. Part No. RV-3149-C3-32.768k-OPTION-B-TB-QA Mouser Part No 428-203684-MG1	Micro Crystal	Real Time Clock	Datasheet	Non-Stocked	17,46 kr.	Min.: 1.000 Mult.: 1.000
Real Time Clock Real Time Clock SEAM3225 T&R 3K Diodes Incorporated RT313242N3 RT313242N3 Diodes Incorporated 3.000: 10,15 kr. Non-Stocked Lead-Time 32 Weeks New Product	Mfr. Part No. RT313242N3 Mouser Part No 621-RT313242N3 New Product	Diodes Incorporated	Real Time Clock Real Time Clock SEAM3225 T&R 3K	Datasheet	Non-Stocked Lead-Time 32 Weeks	Reel 10,15 kr.	Min.: 3.000 Mult.: 3.000 : 3.000	I2C	YYYY-MM-DD	HH:MM:SS (24 hr)	SMD-10		1.3 V	5.5 V	- 40 C	+ 85 C		SMD/SMT	Reel
Real Time Clock Real Time Clock SEAM3225 T&R 3K Diodes Incorporated RT313242Q3 RT313242Q3 Diodes Incorporated 3.000: 10,97 kr. Non-Stocked Lead-Time 32 Weeks New Product	Mfr. Part No. RT313242Q3 Mouser Part No 621-RT313242Q3 New Product	Diodes Incorporated	Real Time Clock Real Time Clock SEAM3225 T&R 3K	Datasheet	Non-Stocked Lead-Time 32 Weeks	Reel 10,97 kr.	Min.: 3.000 Mult.: 3.000 : 3.000	I2C	YYYY-MM-DD	HH:MM:SS (24 hr)	SMD-10		1.3 V	5.5 V	- 40 C	+ 85 C		SMD/SMT	Reel
Real Time Clock Real Time Clock SEAM3225 T&R 3K Diodes Incorporated RT313243N3 RT313243N3 Diodes Incorporated 3.000: 8,80 kr. Non-Stocked Lead-Time 32 Weeks New Product	Mfr. Part No. RT313243N3 Mouser Part No 621-RT313243N3 New Product	Diodes Incorporated	Real Time Clock Real Time Clock SEAM3225 T&R 3K	Datasheet	Non-Stocked Lead-Time 32 Weeks	Reel 8,80 kr.	Min.: 3.000 Mult.: 3.000 : 3.000	I2C	YYYY-MM-DD	HH:MM:SS (24 hr)	SMD-10		1.3 V	5.5 V	- 40 C	+ 85 C		SMD/SMT	Reel
Real Time Clock Real Time Clock SEAM3225 T&R 3K Diodes Incorporated RT313243Q1 RT313243Q1 Diodes Incorporated 1: 24,99 kr. Non-Stocked Lead-Time 32 Weeks New Product	Mfr. Part No. RT313243Q1 Mouser Part No 621-RT313243Q1 New Product	Diodes Incorporated	Real Time Clock Real Time Clock SEAM3225 T&R 3K	Datasheet	Non-Stocked Lead-Time 32 Weeks	Cut Tape 24,99 kr. 18,80 kr. 17,23 kr. 15,59 kr. 14,92 kr. Reel 12,61 kr.	Min.: 1 Mult.: 1 : 3.000	I2C	YYYY-MM-DD	HH:MM:SS (24 hr)	SMD-10		1.3 V	5.5 V	- 40 C	+ 125 C		SMD/SMT	Reel, Cut Tape
Real Time Clock Real Time Clock SEAM3225 T&R 3K Diodes Incorporated RT313243Q2 RT313243Q2 Diodes Incorporated 3.000: 11,79 kr. Non-Stocked Lead-Time 32 Weeks New Product	Mfr. Part No. RT313243Q2 Mouser Part No 621-RT313243Q2 New Product	Diodes Incorporated	Real Time Clock Real Time Clock SEAM3225 T&R 3K	Datasheet	Non-Stocked Lead-Time 32 Weeks	Reel 11,79 kr.	Min.: 3.000 Mult.: 3.000 : 3.000	I2C	YYYY-MM-DD	HH:MM:SS (24 hr)	SMD-10		1.3 V	5.5 V	- 40 C	+ 105 C		SMD/SMT	Reel
Real Time Clock I2C Bus RTC w/56byte NVRAM RTC Diodes Incorporated PT7C4311ZEEX PT7C4311ZEEX Diodes Incorporated 3.000: 4,48 kr. Non-Stocked Lead-Time 28 Weeks	Mfr. Part No. PT7C4311ZEEX Mouser Part No 729-PT7C4311ZEEX	Diodes Incorporated	Real Time Clock I2C Bus RTC w/56byte NVRAM RTC Learn More about Diodes Incorporated diodes timing solutions	Datasheet	Non-Stocked Lead-Time 28 Weeks	Reel 4,48 kr.	Min.: 3.000 Mult.: 3.000 : 3.000	Serial 2-Wire, I2C	YY-MM-DD-dd	HH:MM:SS (24 hr)		Backup Switching	1.2 V	5.5 V	- 40 C	+ 85 C		SMD/SMT	Reel
Real Time Clock 32.768k crystal RTC Module Integrated Diodes Incorporated PT7C4337ACSE PT7C4337ACSE Diodes Incorporated 1: 43,34 kr. Non-Stocked Lead-Time 48 Weeks	Mfr. Part No. PT7C4337ACSE Mouser Part No 729-PT7C4337ACSE	Diodes Incorporated	Real Time Clock 32.768k crystal RTC Module Integrated Learn More about Diodes Incorporated diodes timing solutions	Datasheet	Non-Stocked Lead-Time 48 Weeks	43,34 kr. 33,20 kr. 29,54 kr.	Min.: 1 Mult.: 1	Serial 2-Wire, I2C	YY-MM-DD-dd	HH:MM:SS:hh (12 hr, 24 hr)		No Backup Switching	1.2 V	5.5 V	- 40 C	+ 85 C		SMD/SMT	Tube
Real Time Clock Real Time Clock MSOP-8 T&R 2.5K Diodes Incorporated PT7C4337UEX-2017 PT7C4337UEX-2017 Diodes Incorporated 2.500: 3,52 kr. Non-Stocked Lead-Time 48 Weeks	Mfr. Part No. PT7C4337UEX-2017 Mouser Part No 729-PT7C4337UEX-2017	Diodes Incorporated	Real Time Clock Real Time Clock MSOP-8 T&R 2.5K	Datasheet	Non-Stocked Lead-Time 48 Weeks	Reel 3,52 kr.	Min.: 2.500 Mult.: 2.500 : 2.500	Serial 2-Wire, I2C	YY-MM-DD-dd	HH:MM:SS:hh (12 hr, 24 hr)		No Backup Switching	1.2 V	5.5 V	- 40 C	+ 85 C		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: 15,82 kr. 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 15,82 kr. 11,71 kr. 10,67 kr. 9,47 kr. Reel 8,13 kr. View 8,95 kr. 8,73 kr. 8,43 kr. 7,98 kr.	Min.: 1 Mult.: 1 : 2.000										PCF8553DTT		Reel, Cut Tape
Real Time Clock 1338B-18 REAL TIME CLOCK Renesas Electronics 1338B-18DVGI8 1338B-18DVGI8 Renesas Electronics 2.500: 10,59 kr. Non-Stocked Lead-Time 33 Weeks	Mfr. Part No. 1338B-18DVGI8 Mouser Part No 972-1338B-18DVGI8	Renesas Electronics	Real Time Clock 1338B-18 REAL TIME CLOCK	Datasheet	Non-Stocked Lead-Time 33 Weeks	Reel 10,59 kr.	Min.: 2.500 Mult.: 2.500 : 2.500										1338		Reel
Real Time Clock 1338D-31 REAL TIME CLOCK Renesas Electronics 1338D-31DVGI8 1338D-31DVGI8 Renesas Electronics 2.500: 10,00 kr. Non-Stocked Lead-Time 33 Weeks	Mfr. Part No. 1338D-31DVGI8 Mouser Part No 972-1338D-31DVGI8	Renesas Electronics	Real Time Clock 1338D-31 REAL TIME CLOCK	Datasheet	Non-Stocked Lead-Time 33 Weeks	Reel 10,00 kr.	Min.: 2.500 Mult.: 2.500 : 2.500										1338		Reel
Real Time Clock 1339D-31 REAL TIME CLOCK Renesas Electronics 1339D-31DVGI8 1339D-31DVGI8 Renesas Electronics 2.500: 9,85 kr. Non-Stocked Lead-Time 33 Weeks	Mfr. Part No. 1339D-31DVGI8 Mouser Part No 972-1339D-31DVGI8	Renesas Electronics	Real Time Clock 1339D-31 REAL TIME CLOCK	Datasheet	Non-Stocked Lead-Time 33 Weeks	Reel 9,85 kr.	Min.: 2.500 Mult.: 2.500 : 2.500										1339		Reel
Real Time Clock Real Time Clock RX-4571LC:B0 PURE SN Epson Timing 1.000: 11,41 kr. Non-Stocked Lead-Time 17 Weeks	Mfr. Part No. RX-4571LC:B0 PURE SN Mouser Part No 732-R4571LC:B0PURESN	Epson Timing	Real Time Clock Real Time Clock	Datasheet	Non-Stocked Lead-Time 17 Weeks	Reel 11,41 kr. 11,26 kr.	Min.: 1.000 Mult.: 1.000 : 1.000	I2C				No Backup Switching	1.6 V	5.5 V	- 40 C	+ 85 C		SMD/SMT	Reel
Real Time Clock Real Time Clock RX-4571SA:B0 PURE SN Epson Timing 1.000: 10,52 kr. Non-Stocked Lead-Time 17 Weeks	Mfr. Part No. RX-4571SA:B0 PURE SN Mouser Part No 732-R4571SA:B0PURESN	Epson Timing	Real Time Clock Real Time Clock	Datasheet	Non-Stocked Lead-Time 17 Weeks	Reel 10,52 kr. 10,37 kr.	Min.: 1.000 Mult.: 1.000 : 1.000	Serial 3-Wire				No Backup Switching	1.6 V	5.5 V	- 40 C	+ 85 C		SMD/SMT	Reel
Real Time Clock Real Time Clock RX-8803SA:UB0 PURE SN Epson Timing 1.000: 13,73 kr. Non-Stocked	Mfr. Part No. RX-8803SA:UB0 PURE SN Mouser Part No 732-R8803SAUB0PURESN	Epson Timing	Real Time Clock Real Time Clock	Datasheet	Non-Stocked	Reel 13,73 kr. 13,50 kr.	Min.: 1.000 Mult.: 1.000 : 1.000	I2C				No Backup Switching	1.6 V	5.5 V	- 40 C	+ 85 C		SMD/SMT	Reel
Real Time Clock RTC 4 WIRE SPI-BUS +/-5.0PPM -40-85C NO RST PIN 1K TR RA4000CE:YBD00 Epson Timing 1.000: 18,58 kr. Non-Stocked Lead-Time 16 Weeks	Mfr. Part No. RA4000CE:YBD00 Mouser Part No 732-RA4000CEYBD00	Epson Timing	Real Time Clock RTC 4 WIRE SPI-BUS +/-5.0PPM -40-85C NO RST PIN 1K TR	Datasheet	Non-Stocked Lead-Time 16 Weeks	Reel 18,58 kr.	Min.: 1.000 Mult.: 1.000 : 1.000	Serial 4-Wire, SPI	YY-MM-DD	HH:MM:SS (24 hr)	3.2 mm x 2.5 mm x 1 mm	No Backup Switching	1.6 V	5.5 V	- 40 C	+ 85 C		SMD/SMT	Reel
Real Time Clock REAL TIME CLOCK +/-3.4PPM DTCXO 1K TR RA8804CE:XA0 Epson Timing 1.000: 20,44 kr. Non-Stocked Lead-Time 20 Weeks	Mfr. Part No. RA8804CE:XA0 Mouser Part No 732-RA8804CEXA0	Epson Timing	Real Time Clock REAL TIME CLOCK +/-3.4PPM DTCXO 1K TR	Datasheet	Non-Stocked Lead-Time 20 Weeks	Reel 20,44 kr.	Min.: 1.000 Mult.: 1.000 : 1.000	I2C	YY-MM-DD-dd	HH:MM:SS (24 hr)	3.2 mm x 2.5 mm x 1 mm	No Backup Switching	1.6 V	5.5 V	- 40 C	+ 85 C		SMD/SMT	Reel
Real Time Clock I2C-BUS RTC +/-3.4PPM -40-85C 1K TR RA8900CE:UA0 Epson Timing 1.000: 20,74 kr. Non-Stocked Lead-Time 30 Weeks	Mfr. Part No. RA8900CE:UA0 Mouser Part No 732-RA8900CEUA0	Epson Timing	Real Time Clock I2C-BUS RTC +/-3.4PPM -40-85C 1K TR	Datasheet	Non-Stocked Lead-Time 30 Weeks	Reel 20,74 kr.	Min.: 1.000 Mult.: 1.000 : 1.000	I2C	YY-MM-DD-dd	HH:MM:SS (24 hr)	3.2 mm x 2.5 mm x 1 mm	Backup Switching	2.5 V	5.5 V	- 40 C	+ 85 C		SMD/SMT	Reel
Real Time Clock RTC I2C-BUS 5+23PPM SON-22 PIN 250TR RTC-8564NB:B3 ROHS Epson Timing 1: 67,74 kr. Non-Stocked Lead-Time 16 Weeks New At Mouser	Mfr. Part No. RTC-8564NB:B3 ROHS Mouser Part No 732-RTC8564NBB3ROHS New At Mouser	Epson Timing	Real Time Clock RTC I2C-BUS 5+23PPM SON-22 PIN 250TR	Datasheet	Non-Stocked Lead-Time 16 Weeks	Cut Tape 67,74 kr. 52,74 kr. 48,94 kr. 44,83 kr. Reel 42,90 kr. View 41,48 kr. 40,66 kr. Quote MouseReel Available	Min.: 1 Mult.: 1 : 250										MG7050HAN		Reel, Cut Tape, MouseReel
Real Time Clock RX-4571SA:B0 PURE SN RTC SON 14PIN 5+/-23PPM 1K TR RX-4571SAB0 PURE SN Epson Timing 1.000: 11,71 kr. Non-Stocked Lead-Time 16 Weeks	Mfr. Part No. RX-4571SAB0 PURE SN Mouser Part No 732-RX-4571SABPURESN	Epson Timing	Real Time Clock RX-4571SA:B0 PURE SN RTC SON 14PIN 5+/-23PPM 1K TR	Datasheet	Non-Stocked Lead-Time 16 Weeks	Reel 11,71 kr. 11,56 kr. 11,41 kr.	Min.: 1.000 Mult.: 1.000 : 1.000	I2C	YY-MM-DD-dd	HH:MM:SS:hh (12 hr, 24 hr)	SOP-14	No Backup Switching	1.6 V	5.5 V	- 40 C	+ 85 C	RX-4571SA	SMD/SMT	Reel
Real Time Clock RX-4803SA:UA0 PURE SN RTC +/-3.4PPM-40 85C 1K T/R RX-4803SAUA0 PURE SN Epson Timing 1.000: 21,86 kr. Non-Stocked Lead-Time 17 Weeks	Mfr. Part No. RX-4803SAUA0 PURE SN Mouser Part No 732-RX-483SAUAPURESN	Epson Timing	Real Time Clock RX-4803SA:UA0 PURE SN RTC +/-3.4PPM-40 85C 1K T/R	Datasheet	Non-Stocked Lead-Time 17 Weeks	Reel 21,86 kr.	Min.: 1.000 Mult.: 1.000 : 1.000	SPI	YY-MM-DD-dd	HH:MM:SS:hh (12 hr, 24 hr)	SOP-14	No Backup Switching	1.6 V	5.5 V	- 40 C	+ 85 C	RX-4803SA	SMD/SMT	Reel
Real Time Clock 32.768KHz 2.5V-5.5V 8 Bit x 256 RX-5412SF:B3 Epson Timing 250: 36,11 kr. Non-Stocked Lead-Time 17 Weeks	Mfr. Part No. RX-5412SF:B3 Mouser Part No 732-RX-5412SF:B3	Epson Timing	Real Time Clock 32.768KHz 2.5V-5.5V 8 Bit x 256	Datasheet	Non-Stocked Lead-Time 17 Weeks	Reel 36,11 kr. 36,03 kr. 34,17 kr.	Min.: 250 Mult.: 250 : 250	Serial 4-Wire					2.5 V	5.5 V	- 40 C	+ 85 C	RX-5412SF	SMD/SMT	Reel
Real Time Clock 3.0Volt -40 to 85C I2C BUS RX-8035LC:AA0 Epson Timing 1.000: 16,41 kr. Non-Stocked Lead-Time 17 Weeks	Mfr. Part No. RX-8035LC:AA0 Mouser Part No 732-RX-8035LC:AA0	Epson Timing	Real Time Clock 3.0Volt -40 to 85C I2C BUS	Datasheet	Non-Stocked Lead-Time 17 Weeks	Reel 16,41 kr.	Min.: 1.000 Mult.: 1.000 : 1.000	I2C			VSOJ-12		2.4 V	5.5 V	- 40 C	+ 85 C	RX-8035LC	SMD/SMT	Reel