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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 (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	Packaging
Real Time Clock I2C GP RTCC 64B SRAM EUI-48 MCP79401T-I/MNY Microchip Technology 3,300: ¥171.1 Non-Stocked Lead-Time 13 Weeks	Mfr. Part # MCP79401T-I/MNY Mouser Part # 579-MCP79401TIMNY	Microchip Technology	Real Time Clock I2C GP RTCC 64B SRAM EUI-48 Learn More about Microchip Technology microchip mcp7940n calendar	Datasheet	Non-Stocked Lead-Time 13 Weeks	Reel ¥171.1	Min.: 3,300 Mult.: 3,300 : 3,300												Reel
Real Time Clock I2C GP RTCC 1Kb EE 64B SRAM EUI-48 MCP79411T-I/ST Microchip Technology 1: ¥209.3 Non-Stocked Lead-Time 18 Weeks	Mfr. Part # MCP79411T-I/ST Mouser Part # 579-MCP79411TIST	Microchip Technology	Real Time Clock I2C GP RTCC 1Kb EE 64B SRAM EUI-48 Learn More about Microchip Technology microchip mcp794xx calendars	Datasheet	Non-Stocked Lead-Time 18 Weeks	Cut Tape ¥209.3 Reel ¥176.1 MouseReel Available	Min.: 1 Mult.: 1 : 2,500	I2C	YY-MM-DD-dd	HH:MM:SS (24 hr)	TSSOP-8	Backup Switching	1.8 V	5.5 V	- 40 C	+ 85 C		SMD/SMT	Reel, Cut Tape, MouseReel
Real Time Clock SPI GP RTCC 1Kb EE 64B SRAM ID MCP79510T-I/MN Microchip Technology 1: ¥229.2 Non-Stocked Lead-Time 14 Weeks	Mfr. Part # MCP79510T-I/MN Mouser Part # 579-MCP79510T-I/MN	Microchip Technology	Real Time Clock SPI GP RTCC 1Kb EE 64B SRAM ID Learn More about Microchip Technology microchip mcp795xx	Datasheet	Non-Stocked Lead-Time 14 Weeks	Cut Tape ¥229.2 Reel ¥192.7	Min.: 1 Mult.: 1 : 3,300												Reel, Cut Tape
Real Time Clock SPI GP RTCC 1Kb EE 64B SRAM EUI-64 MCP79512T-I/MN Microchip Technology 3,300: ¥207.6 Non-Stocked Lead-Time 15 Weeks	Mfr. Part # MCP79512T-I/MN Mouser Part # 579-MCP79512T-I/MN	Microchip Technology	Real Time Clock SPI GP RTCC 1Kb EE 64B SRAM EUI-64 Learn More about Microchip Technology microchip mcp795xx	Datasheet	Non-Stocked Lead-Time 15 Weeks	Reel ¥207.6	Min.: 3,300 Mult.: 3,300 : 3,300												Reel
Real Time Clock SPI GP RTCC 2Kb EE 64B SRAM EUI-48 MCP79521T-I/MN Microchip Technology 3,300: ¥222.6 Non-Stocked Lead-Time 23 Weeks	Mfr. Part # MCP79521T-I/MN Mouser Part # 579-MCP79521T-I/MN	Microchip Technology	Real Time Clock SPI GP RTCC 2Kb EE 64B SRAM EUI-48 Learn More about Microchip Technology microchip mcp795xx	Datasheet	Non-Stocked Lead-Time 23 Weeks	Reel ¥222.6	Min.: 3,300 Mult.: 3,300 : 3,300												Reel
Real Time Clock SPI GP RTCC 2Kb EE 64B SRAM EUI-64 MCP79522T-I/MN Microchip Technology 3,300: ¥222.6 Non-Stocked Lead-Time 23 Weeks	Mfr. Part # MCP79522T-I/MN Mouser Part # 579-MCP79522T-I/MN	Microchip Technology	Real Time Clock SPI GP RTCC 2Kb EE 64B SRAM EUI-64 Learn More about Microchip Technology microchip mcp795xx	Datasheet	Non-Stocked Lead-Time 23 Weeks	Reel ¥222.6	Min.: 3,300 Mult.: 3,300 : 3,300												Reel
Real Time Clock SPI GP RTCC 2Kb EE 64B SRAM EUI-64 MCP79522T-I/MS Microchip Technology 2,500: ¥222.6 Non-Stocked Lead-Time 21 Weeks	Mfr. Part # MCP79522T-I/MS Mouser Part # 579-MCP79522T-I/MS	Microchip Technology	Real Time Clock SPI GP RTCC 2Kb EE 64B SRAM EUI-64 Learn More about Microchip Technology microchip mcp795xx	Datasheet	Non-Stocked Lead-Time 21 Weeks	Reel ¥222.6	Min.: 2,500 Mult.: 2,500 : 2,500												Reel
Real Time Clock 3-Wire 1.3-5.5V S-35190A-T8T1G ABLIC 3,000: ¥141.7 Non-Stocked Lead-Time 16 Weeks	Mfr. Part # S-35190A-T8T1G Mouser Part # 628-35190A-T8-G	ABLIC	Real Time Clock 3-Wire 1.3-5.5V	Datasheet	Non-Stocked Lead-Time 16 Weeks	Reel ¥141.7 ¥140.5	Min.: 3,000 Mult.: 3,000 : 3,000	Serial 3-Wire	YY-MM-DD-dd	HH:MM:SS (24 hr)	TSSOP-8	Backup Switching	1.3 V	5.5 V	- 40 C	+ 85 C	S-35190	SMD/SMT	Reel
Real Time Clock Real Time Clock S-35390A-J8T1G ABLIC 2,000: ¥157.8 Non-Stocked Lead-Time 16 Weeks	Mfr. Part # S-35390A-J8T1G Mouser Part # 628-35390A-G	ABLIC	Real Time Clock Real Time Clock Learn More about ABLIC seiko s 35390a clocks	Datasheet	Non-Stocked Lead-Time 16 Weeks	Reel ¥157.8 ¥155	Min.: 2,000 Mult.: 2,000 : 2,000	Serial 2-Wire	YY-MM-DD-dd	HH:MM:SS (24 hr)	SOP-8	Backup Switching	1.3 V	5.5 V	- 40 C	+ 85 C	S-35390	SMD/SMT	Reel
Real Time Clock 2-Wire 1.3-5.5V S-35390A-T8T1G ABLIC 3,000: ¥155.1 Non-Stocked Lead-Time 16 Weeks	Mfr. Part # S-35390A-T8T1G Mouser Part # 628-35390A-T8-G	ABLIC	Real Time Clock 2-Wire 1.3-5.5V Learn More about ABLIC seiko s 35390a clocks	Datasheet	Non-Stocked Lead-Time 16 Weeks	Reel ¥155.1 ¥154	Min.: 3,000 Mult.: 3,000 : 3,000	Serial 2-Wire	YY-MM-DD-dd	HH:MM:SS (24 hr)	TSSOP-8	Backup Switching	1.3 V	5.5 V	- 40 C	+ 85 C	S-35390	SMD/SMT	Reel
Real Time Clock REAL TIME CLOCK S-35190A-J8T1G ABLIC 2,000: ¥141.7 Non-Stocked Lead-Time 16 Weeks	Mfr. Part # S-35190A-J8T1G Mouser Part # 628-S-35190A-J8T1G	ABLIC	Real Time Clock REAL TIME CLOCK	Datasheet	Non-Stocked Lead-Time 16 Weeks	Reel ¥141.7	Min.: 2,000 Mult.: 2,000 : 2,000	Serial 3-Wire		HH:MM:SS (24 hr)	SOP-8	Backup Switching	1.3 V	5.5 V	- 40 C	+ 85 C	S-35190	SMD/SMT	Reel
Real Time Clock S-35190AH-J8T2U ABLIC 4,000: ¥169.4 Non-Stocked Lead-Time 24 Weeks	Mfr. Part # S-35190AH-J8T2U Mouser Part # 628-S-35190AH-J8T2U	ABLIC	Real Time Clock	Datasheet	Non-Stocked Lead-Time 24 Weeks	Reel ¥169.4	Min.: 4,000 Mult.: 4,000 : 4,000	Serial 3-Wire	YY-MM-DD-dd	HH:MM:SS (24 hr)	SOP-8	Backup Switching	1.3 V	5.5 V	- 40 C	+ 105 C	S-35190AH	SMD/SMT	Reel
Real Time Clock S-35190AH-T8T2U ABLIC 4,000: ¥169.4 Non-Stocked Lead-Time 24 Weeks	Mfr. Part # S-35190AH-T8T2U Mouser Part # 628-S-35190AH-T8T2U	ABLIC	Real Time Clock	Datasheet	Non-Stocked Lead-Time 24 Weeks	Reel ¥169.4	Min.: 4,000 Mult.: 4,000 : 4,000	Serial 3-Wire	YY-MM-DD-dd	HH:MM:SS (24 hr)	TSSOP-8	Backup Switching	1.3 V	5.5 V	- 40 C	+ 105 C	S-35190AH	SMD/SMT	Reel
Real Time Clock S-35390AH-J8T2U ABLIC 4,000: ¥169.4 Non-Stocked Lead-Time 24 Weeks	Mfr. Part # S-35390AH-J8T2U Mouser Part # 628-S-35390AH-J8T2U	ABLIC	Real Time Clock	Datasheet	Non-Stocked Lead-Time 24 Weeks	Reel ¥169.4	Min.: 4,000 Mult.: 4,000 : 4,000										S-35390AH		Reel
Real Time Clock S-35390AH-T8T2U ABLIC 4,000: ¥169.4 Non-Stocked Lead-Time 24 Weeks	Mfr. Part # S-35390AH-T8T2U Mouser Part # 628-S-35390AH-T8T2U	ABLIC	Real Time Clock	Datasheet	Non-Stocked Lead-Time 24 Weeks	Reel ¥169.4	Min.: 4,000 Mult.: 4,000 : 4,000										S-35390AH		Reel
Real Time Clock REAL TIME CLOCK S-35391A-I8T1U ABLIC 5,000: ¥149.2 Non-Stocked Lead-Time 16 Weeks	Mfr. Part # S-35391A-I8T1U Mouser Part # 628-S-35391A-I8T1U	ABLIC	Real Time Clock REAL TIME CLOCK	Datasheet	Non-Stocked Lead-Time 16 Weeks	Reel ¥149.2	Min.: 5,000 Mult.: 5,000 : 5,000	Serial 2-Wire, I2C	YY-MM-DD-dd	HH:MM:SS:hh (12 hr, 24 hr)	SNT-A-8	No Backup Switching	1.3 V	5.5 V	- 40 C	+ 85 C	S-35391	SMD/SMT	Reel
Real Time Clock 2-wire Real Time Clock S-35392A-I8T1U ABLIC 1: ¥315.6 Non-Stocked Lead-Time 16 Weeks	Mfr. Part # S-35392A-I8T1U Mouser Part # 628-S-35392A-I8T1U	ABLIC	Real Time Clock 2-wire Real Time Clock	Datasheet	Non-Stocked Lead-Time 16 Weeks	Cut Tape ¥315.6 ¥230.9 ¥210.9 ¥187.7 View Reel ¥154.5 ¥176.1 ¥169.4 ¥167.8 ¥157.1 ¥154.5 MouseReel Available	Min.: 1 Mult.: 1 : 5,000				SNT-A-8						S-35392		Reel, Cut Tape, MouseReel
Real Time Clock 2-WIRE REAL-TIME CLOCK S-35399A03-J8T1U ABLIC 4,000: ¥294 Non-Stocked Lead-Time 16 Weeks	Mfr. Part # S-35399A03-J8T1U Mouser Part # 628-S-35399A03-J8T1U	ABLIC	Real Time Clock 2-WIRE REAL-TIME CLOCK	Datasheet	Non-Stocked Lead-Time 16 Weeks	Reel ¥294	Min.: 4,000 Mult.: 4,000 : 4,000	Serial 2-Wire, I2C	YY-MM-DD-dd	HH:MM:SS:hh (12 hr, 24 hr)		No Backup Switching			- 40 C	+ 85 C	S-35399A03	SMD/SMT	Reel
Real Time Clock PCF85163T/1 PCF85163T/1,518 NXP Semiconductors 2,500: ¥84.5 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 ¥84.5 ¥82.4	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 2-Wire Real Time Clock IC R2023L-E2 Nisshinbo 3,000: ¥117.3 Non-Stocked	Mfr. Part # R2023L-E2 Mouser Part # 848-R2023L-E2	Nisshinbo	Real Time Clock 2-Wire Real Time Clock IC	Datasheet	Non-Stocked	Reel ¥117.3	Min.: 3,000 Mult.: 3,000 : 3,000	Serial 2-Wire, I2C	BCD	BCD	QFN023023-16	No Backup Switching	1.7 V	5.5 V	- 40 C	+ 85 C	R2023L	SMD/SMT	Reel
Real Time Clock Timer control periph eral (TCP) 28-PLCC A 926-DP8570AV/NOPB DP8570AVX/NOPB Texas Instruments 750: ¥6,130.8 Non-Stocked Lead-Time 26 Weeks	Mfr. Part # DP8570AVX/NOPB Mouser Part # 926-DP8570AVX/NOPB	Texas Instruments	Real Time Clock Timer control periph eral (TCP) 28-PLCC A 926-DP8570AV/NOPB	Datasheet	Non-Stocked Lead-Time 26 Weeks	Reel ¥6,130.8	Min.: 750 Mult.: 750 : 750	Parallel	YY-MM-DD-dd	HH:MM:SS:hh (12 hr, 24 hr)	PLCC-28	Backup Switching	4.5 V	5.5 V	- 40 C	+ 85 C	DP8570A	SMD/SMT	Reel
Real Time Clock Real-time clock (RTC ) 28-PLCC -40 to 85 A 926-DP8573AV/NOPB DP8573AVX/NOPB Texas Instruments 750: ¥3,810.3 Non-Stocked Lead-Time 26 Weeks	Mfr. Part # DP8573AVX/NOPB Mouser Part # 926-DP8573AVX/NOPB	Texas Instruments	Real Time Clock Real-time clock (RTC ) 28-PLCC -40 to 85 A 926-DP8573AV/NOPB	Datasheet	Non-Stocked Lead-Time 26 Weeks	Reel ¥3,810.3	Min.: 750 Mult.: 750 : 750	Parallel	YY-MM-DD-dd	HH:MM:SS:hh (12 hr, 24 hr)	PLCC-28	Backup Switching	4.5 V	5.5 V	- 40 C	+ 85 C	DP8573A	SMD/SMT	Reel
Real Time Clock LDAL TIME CLK & TEMP COMPENSATED CR ISL12020MIRZ-T Renesas / Intersil 4,000: ¥784 Non-Stocked Lead-Time 36 Weeks	Mfr. Part # ISL12020MIRZ-T Mouser Part # 968-ISL12020MIRZ-T	Renesas / Intersil	Real Time Clock LDAL TIME CLK & TEMP COMPENSATED CR	Datasheet	Non-Stocked Lead-Time 36 Weeks	Reel ¥784	Min.: 4,000 Mult.: 4,000 : 4,000	I2C	YY-MM-DD-dd	HH:MM:SS (24 hr)	DFN-20	Backup Switching	2.7 V	5.5 V	- 40 C	+ 85 C	ISL12020	SMD/SMT	Reel
Real Time Clock REAL TIME CLK W/MFK IMPROVED ESD AIR ISL12022MIBZR5421 Renesas / Intersil 760: ¥762.4 Non-Stocked Lead-Time 36 Weeks	Mfr. Part # ISL12022MIBZR5421 Mouser Part # 968-ISL12022MIBZR542	Renesas / Intersil	Real Time Clock REAL TIME CLK W/MFK IMPROVED ESD AIR	Datasheet	Non-Stocked Lead-Time 36 Weeks	¥762.4 ¥755.8	Min.: 760 Mult.: 760	Serial 2-Wire, I2C	YY-MM-DD-dd	HH:MM:SS (24 hr)	SOIC-20	Backup Switching	2.7 V	5.5 V	- 40 C	+ 85 C	ISL12022	SMD/SMT	Tube
Real Time Clock REAL TIME CLK W/MFK IMPROVED ESD AIR ISL12022MIBZ-TR5421 Renesas / Intersil 3,000: ¥710.9 Non-Stocked Lead-Time 36 Weeks	Mfr. Part # ISL12022MIBZ-TR5421 Mouser Part # 968-ISL12022MIBZTR54	Renesas / Intersil	Real Time Clock REAL TIME CLK W/MFK IMPROVED ESD AIR	Datasheet	Non-Stocked Lead-Time 36 Weeks	Cut Tape ¥710.9	Min.: 3,000 Mult.: 1,000 : 1,000	Serial 2-Wire, I2C	YY-MM-DD-dd	HH:MM:SS (24 hr)	SOIC-20	Backup Switching	2.7 V	5.5 V	- 40 C	+ 85 C	ISL12022	SMD/SMT	Reel