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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 (USD) 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	Packaging
Real Time Clock 1Kb EE 64B SRAM WD TED EUI-48 MCP795W11-I/SL Microchip Technology 1: $1.85 Non-Stocked Lead-Time 10 Weeks	Mfr. Part No. MCP795W11-I/SL Mouser Part No 579-MCP795W11-I/SL	Microchip Technology	Real Time Clock 1Kb EE 64B SRAM WD TED EUI-48 Learn More about Microchip Technology microchip mcp795xx	Datasheet	Non-Stocked Lead-Time 10 Weeks	$1.85 $1.71 $1.66	Min.: 1 Mult.: 1	SPI	YY-MM-DD-dd	HH:MM:SS:hh (12 hr, 24 hr)	SOIC-14	Backup Switching	1.8 V	5.5 V	- 40 C	+ 85 C		SMD/SMT	Tube
Real Time Clock 1Kb EE 64B SRAM WD TED EUI-48 MCP795W11T-I/SL Microchip Technology 2,600: $1.66 Non-Stocked Lead-Time 10 Weeks	Mfr. Part No. MCP795W11T-I/SL Mouser Part No 579-MCP795W11T-I/SL	Microchip Technology	Real Time Clock 1Kb EE 64B SRAM WD TED EUI-48 Learn More about Microchip Technology microchip mcp795xx	Datasheet	Non-Stocked Lead-Time 10 Weeks	Reel $1.66	Min.: 2,600 Mult.: 2,600 : 2,600	SPI	YY-MM-DD-dd	HH:MM:SS:hh (12 hr, 24 hr)	SOIC-14	Backup Switching	1.8 V	5.5 V	- 40 C	+ 85 C		SMD/SMT	Reel
Real Time Clock 1Kb EE 64B SRAM WD TED EUI-48 MCP795W11T-I/ST Microchip Technology 2,500: $1.71 Non-Stocked Lead-Time 11 Weeks	Mfr. Part No. MCP795W11T-I/ST Mouser Part No 579-MCP795W11T-I/ST	Microchip Technology	Real Time Clock 1Kb EE 64B SRAM WD TED EUI-48 Learn More about Microchip Technology microchip mcp795xx	Datasheet	Non-Stocked Lead-Time 11 Weeks	Reel $1.71	Min.: 2,500 Mult.: 2,500 : 2,500	SPI	YY-MM-DD-dd	HH:MM:SS:hh (12 hr, 24 hr)	TSSOP-14	Backup Switching	1.8 V	5.5 V	- 40 C	+ 85 C		SMD/SMT	Reel
Real Time Clock 1Kb EE 64B SRAM WD TED EUI-64 MCP795W12-I/ST Microchip Technology 1: $1.89 Non-Stocked Lead-Time 11 Weeks	Mfr. Part No. MCP795W12-I/ST Mouser Part No 579-MCP795W12-I/ST	Microchip Technology	Real Time Clock 1Kb EE 64B SRAM WD TED EUI-64 Learn More about Microchip Technology microchip mcp795xx	Datasheet	Non-Stocked Lead-Time 11 Weeks	$1.89 $1.75 $1.71	Min.: 1 Mult.: 1	SPI	YY-MM-DD-dd	HH:MM:SS:hh (12 hr, 24 hr)	TSSOP-14	Backup Switching	1.8 V	5.5 V	- 40 C	+ 85 C		SMD/SMT	Tube
Real Time Clock 1Kb EE 64B SRAM WD TED EUI-64 MCP795W12T-I/SL Microchip Technology 2,600: $1.66 Non-Stocked Lead-Time 10 Weeks	Mfr. Part No. MCP795W12T-I/SL Mouser Part No 579-MCP795W12T-I/SL	Microchip Technology	Real Time Clock 1Kb EE 64B SRAM WD TED EUI-64 Learn More about Microchip Technology microchip mcp795xx	Datasheet	Non-Stocked Lead-Time 10 Weeks	Reel $1.66	Min.: 2,600 Mult.: 2,600 : 2,600	SPI	YY-MM-DD-dd	HH:MM:SS:hh (12 hr, 24 hr)	SOIC-14	Backup Switching	1.8 V	5.5 V	- 40 C	+ 85 C		SMD/SMT	Reel
Real Time Clock 1Kb EE 64B SRAM WD TED EUI-64 MCP795W12T-I/ST Microchip Technology 2,500: $1.71 Non-Stocked Lead-Time 11 Weeks	Mfr. Part No. MCP795W12T-I/ST Mouser Part No 579-MCP795W12T-I/ST	Microchip Technology	Real Time Clock 1Kb EE 64B SRAM WD TED EUI-64 Learn More about Microchip Technology microchip mcp795xx	Datasheet	Non-Stocked Lead-Time 11 Weeks	Reel $1.71	Min.: 2,500 Mult.: 2,500 : 2,500	SPI	YY-MM-DD-dd	HH:MM:SS:hh (12 hr, 24 hr)	TSSOP-14	Backup Switching	1.8 V	5.5 V	- 40 C	+ 85 C		SMD/SMT	Reel
Real Time Clock 2Kb EE 64B SRAM WD TED ID MCP795W20T-I/SL Microchip Technology 2,600: $1.66 Non-Stocked Lead-Time 10 Weeks	Mfr. Part No. MCP795W20T-I/SL Mouser Part No 579-MCP795W20T-I/SL	Microchip Technology	Real Time Clock 2Kb EE 64B SRAM WD TED ID Learn More about Microchip Technology microchip mcp795xx	Datasheet	Non-Stocked Lead-Time 10 Weeks	Reel $1.66	Min.: 2,600 Mult.: 2,600 : 2,600	SPI	YY-MM-DD-dd	HH:MM:SS:hh (12 hr, 24 hr)	SOIC-14	Backup Switching	1.8 V	5.5 V	- 40 C	+ 85 C		SMD/SMT	Reel
Real Time Clock 2Kb EE 64B SRAM WD TED ID MCP795W20T-I/ST Microchip Technology 2,500: $1.71 Non-Stocked Lead-Time 11 Weeks	Mfr. Part No. MCP795W20T-I/ST Mouser Part No 579-MCP795W20T-I/ST	Microchip Technology	Real Time Clock 2Kb EE 64B SRAM WD TED ID Learn More about Microchip Technology microchip mcp795xx	Datasheet	Non-Stocked Lead-Time 11 Weeks	Reel $1.71	Min.: 2,500 Mult.: 2,500 : 2,500	SPI	YY-MM-DD-dd	HH:MM:SS:hh (12 hr, 24 hr)	TSSOP-14	Backup Switching	1.8 V	5.5 V	- 40 C	+ 85 C		SMD/SMT	Reel
Real Time Clock 2Kb EE 64B SRAM WD TED EUI-48 MCP795W21T-I/SL Microchip Technology 2,600: $1.76 Non-Stocked Lead-Time 11 Weeks	Mfr. Part No. MCP795W21T-I/SL Mouser Part No 579-MCP795W21T-I/SL	Microchip Technology	Real Time Clock 2Kb EE 64B SRAM WD TED EUI-48 Learn More about Microchip Technology microchip mcp795xx	Datasheet	Non-Stocked Lead-Time 11 Weeks	Reel $1.76	Min.: 2,600 Mult.: 2,600 : 2,600	SPI	YY-MM-DD-dd	HH:MM:SS:hh (12 hr, 24 hr)	SOIC-14	Backup Switching	1.8 V	5.5 V	- 40 C	+ 85 C		SMD/SMT	Reel
Real Time Clock 2Kb EE 64B SRAM WD TED EUI-48 MCP795W21T-I/ST Microchip Technology 2,500: $1.79 Non-Stocked Lead-Time 11 Weeks	Mfr. Part No. MCP795W21T-I/ST Mouser Part No 579-MCP795W21T-I/ST	Microchip Technology	Real Time Clock 2Kb EE 64B SRAM WD TED EUI-48 Learn More about Microchip Technology microchip mcp795xx	Datasheet	Non-Stocked Lead-Time 11 Weeks	Reel $1.79	Min.: 2,500 Mult.: 2,500 : 2,500	SPI	YY-MM-DD-dd	HH:MM:SS:hh (12 hr, 24 hr)	TSSOP-14	Backup Switching	1.8 V	5.5 V	- 40 C	+ 85 C		SMD/SMT	Reel
Real Time Clock 2Kb EE 64B SRAM WD TED EUI-64 MCP795W22T-I/SL Microchip Technology 2,600: $1.76 Non-Stocked Lead-Time 10 Weeks	Mfr. Part No. MCP795W22T-I/SL Mouser Part No 579-MCP795W22T-I/SL	Microchip Technology	Real Time Clock 2Kb EE 64B SRAM WD TED EUI-64 Learn More about Microchip Technology microchip mcp795xx	Datasheet	Non-Stocked Lead-Time 10 Weeks	Reel $1.76	Min.: 2,600 Mult.: 2,600 : 2,600	SPI	YY-MM-DD-dd	HH:MM:SS:hh (12 hr, 24 hr)	SOIC-14	Backup Switching	1.8 V	5.5 V	- 40 C	+ 85 C		SMD/SMT	Reel
Real Time Clock 2Kb EE 64B SRAM WD TED EUI-64 MCP795W22T-I/ST Microchip Technology 2,500: $1.79 Non-Stocked Lead-Time 11 Weeks	Mfr. Part No. MCP795W22T-I/ST Mouser Part No 579-MCP795W22T-I/ST	Microchip Technology	Real Time Clock 2Kb EE 64B SRAM WD TED EUI-64 Learn More about Microchip Technology microchip mcp795xx	Datasheet	Non-Stocked Lead-Time 11 Weeks	Reel $1.79	Min.: 2,500 Mult.: 2,500 : 2,500	SPI	YY-MM-DD-dd	HH:MM:SS:hh (12 hr, 24 hr)	TSSOP-14	Backup Switching	1.8 V	5.5 V	- 40 C	+ 85 C		SMD/SMT	Reel
Real Time Clock 32.768 KHZ AB-RTCMC-32.768KHZ-EOA9-S3-DAT ABRACON 1,000: $5.17 Non-Stocked Lead-Time 8 Weeks New Product	Mfr. Part No. AB-RTCMC-32.768KHZ-EOA9-S3-DAT Mouser Part No 815-2768KHZEOA9S3DAT New Product	ABRACON	Real Time Clock 32.768 KHZ	Datasheet	Non-Stocked Lead-Time 8 Weeks	Reel $5.17 $4.90	Min.: 1,000 Mult.: 1,000 : 1,000												Reel
Real Time Clock RTCs 3725 10-SMD SPI HH:MM:SS (12/24 hr) YY-MM-DD-dd AB-RTCMC-32.768KHZ-EOA9-S3-HAT ABRACON 1: $8.38 Non-Stocked Lead-Time 12 Weeks	Mfr. Part No. AB-RTCMC-32.768KHZ-EOA9-S3-HAT Mouser Part No 815-2768KHZEOA9S3HAT	ABRACON	Real Time Clock RTCs 3725 10-SMD SPI HH:MM:SS (12/24 hr) YY-MM-DD-dd	Datasheet	Non-Stocked Lead-Time 12 Weeks	Cut Tape $8.38 $7.69 $4.82 Reel $4.81 Quote Quote	Min.: 1 Mult.: 1 : 1,000										AB-RTCMC		Reel, Cut Tape
Real Time Clock IC RTC Ultra small Low Power CLK/CALENDAR I2C MODULE 2012 AB-RTC-XP-32.768KHZ-2-T3 ABRACON 3,000: $1.44 Non-Stocked Lead-Time 12 Weeks New Product	Mfr. Part No. AB-RTC-XP-32.768KHZ-2-T3 Mouser Part No 815-AB-RTCXP327682T New Product	ABRACON	Real Time Clock IC RTC Ultra small Low Power CLK/CALENDAR I2C MODULE 2012	Datasheet	Non-Stocked Lead-Time 12 Weeks	Reel $1.44 $1.41	Min.: 3,000 Mult.: 3,000 : 3,000	I2C			DFN-8	Integrated Battery	900 mV	5.5 V	- 40 C	+ 85 C	AB-RTC-XP-32.768kHz-2	SMD/SMT	Reel
Real Time Clock AECQ-200 IC RTC Ultra small Low Power CLK/CALENDAR I2C MODULE 2012 AB-RTC-XPA-32.768KHZ-2-T3 ABRACON 3,000: $1.51 Non-Stocked Lead-Time 10 Weeks New Product	Mfr. Part No. AB-RTC-XPA-32.768KHZ-2-T3 Mouser Part No 815-ABRTCXPA327682T3 New Product	ABRACON	Real Time Clock AECQ-200 IC RTC Ultra small Low Power CLK/CALENDAR I2C MODULE 2012	Datasheet	Non-Stocked Lead-Time 10 Weeks	Reel $1.51 $1.48	Min.: 3,000 Mult.: 3,000 : 3,000	I2C			DFN-8	Integrated Battery	900 mV	5.5 V	- 40 C	+ 85 C	AB-RTC-XPA-32.768kHz-2	SMD/SMT	Reel
Real Time Clock IC RTC Ultra small Low Power CLK/CALENDAR I2C MODULE 3215 AB-RTC-XL-32.768KHZ-2-T3 ABRACON 3,000: $1.48 Non-Stocked Lead-Time 10 Weeks New Product	Mfr. Part No. AB-RTC-XL-32.768KHZ-2-T3 Mouser Part No 815-RTCXL32768KHZ2T3 New Product	ABRACON	Real Time Clock IC RTC Ultra small Low Power CLK/CALENDAR I2C MODULE 3215 Learn More about ABRACON ab rtc xl low power rtcs	Datasheet	Non-Stocked Lead-Time 10 Weeks	Reel $1.48 $1.45	Min.: 3,000 Mult.: 3,000 : 3,000	I2C		HH:MM:SS (24 hr)	SON-8	No Backup Switching	900 mV	5.5 V	- 40 C	+ 85 C	AB-RTC-XL	SMD/SMT	Reel
Real Time Clock AECQ-200 IC RTC Ultra small Low Power CLK/CALENDAR I2C MODULE 3215 AB-RTC-XLA-32.768KHZ-2-T3 ABRACON 3,000: $1.50 Non-Stocked Lead-Time 10 Weeks New Product	Mfr. Part No. AB-RTC-XLA-32.768KHZ-2-T3 Mouser Part No 815-TCXLA32768KHZ2T3 New Product	ABRACON	Real Time Clock AECQ-200 IC RTC Ultra small Low Power CLK/CALENDAR I2C MODULE 3215 Learn More about ABRACON ab rtc xl low power rtcs	Datasheet	Non-Stocked Lead-Time 10 Weeks	Reel $1.50 $1.47	Min.: 3,000 Mult.: 3,000 : 3,000	I2C		HH:MM:SS (24 hr)	SON-8	No Backup Switching	900 mV	5.5 V	- 40 C	+ 85 C	AB-RTC-XLA	SMD/SMT	Reel
Real Time Clock 4-Wire Real Time Clock IC R2043L-E2 Nisshinbo 3,000: $0.706 Non-Stocked Lead-Time 12 Weeks	Mfr. Part No. R2043L-E2 Mouser Part No 848-R2043L-E2	Nisshinbo	Real Time Clock 4-Wire Real Time Clock IC	Datasheet	Non-Stocked Lead-Time 12 Weeks	Reel $0.706	Min.: 3,000 Mult.: 3,000 : 3,000	Serial 4-Wire, SPI	BCD	BCD	QFN023023-16	No Backup Switching	1.7 V	5.5 V	- 40 C	+ 85 C	R2043L	SMD/SMT	Reel
Real Time Clock 2-Wire Real Time Clock IC R2051L01-E2 Nisshinbo 3,000: $0.776 Non-Stocked Lead-Time 12 Weeks	Mfr. Part No. R2051L01-E2 Mouser Part No 848-R2051L01-E2	Nisshinbo	Real Time Clock 2-Wire Real Time Clock IC	Datasheet	Non-Stocked Lead-Time 12 Weeks	Reel $0.776 $0.77	Min.: 3,000 Mult.: 3,000 : 3,000	Serial 2-Wire, I2C	YY-MM-DD-dd	HH:MM:SS:hh (12 hr, 24 hr)	QFN023023-16	Backup Switching	750 mV	5.5 V	- 40 C	+ 85 C	R2051L	SMD/SMT	Reel
Real Time Clock High precision I2C-Bus Real-Time Clock Module R2051S03-E2-F Nisshinbo 2,000: $0.831 Non-Stocked Lead-Time 12 Weeks	Mfr. Part No. R2051S03-E2-F Mouser Part No 848-R2051S03-E2-F	Nisshinbo	Real Time Clock High precision I2C-Bus Real-Time Clock Module	Datasheet	Non-Stocked Lead-Time 12 Weeks	Reel $0.831 $0.827	Min.: 2,000 Mult.: 2,000 : 2,000				SSOP-16						R2051S		Reel
Real Time Clock 2-Wire Real Time Clock IC R2051T01-E2-F Nisshinbo 2,000: $0.776 Non-Stocked Lead-Time 12 Weeks	Mfr. Part No. R2051T01-E2-F Mouser Part No 848-R2051T01E2F	Nisshinbo	Real Time Clock 2-Wire Real Time Clock IC	Datasheet	Non-Stocked Lead-Time 12 Weeks	Reel $0.776 $0.77	Min.: 2,000 Mult.: 2,000 : 2,000	Serial 2-Wire, I2C	BCD	BCD	TSSOP-10	Backup Switching	750 mV	5.5 V	- 40 C	+ 85 C	R2051T	SMD/SMT	Reel
Real Time Clock 3-Wire Real Time Clock IC R2061L01-E2 Nisshinbo 3,000: $0.759 Non-Stocked Lead-Time 12 Weeks	Mfr. Part No. R2061L01-E2 Mouser Part No 848-R2061L01-E2	Nisshinbo	Real Time Clock 3-Wire Real Time Clock IC Learn More about Nisshinbo ricoh rtcs	Datasheet	Non-Stocked Lead-Time 12 Weeks	Reel $0.759 $0.744	Min.: 3,000 Mult.: 3,000 : 3,000	Serial 3-Wire	BCD	BCD	QFN023023-16	Backup Switching	750 mV	5.5 V	- 40 C	+ 85 C	R2061L	SMD/SMT	Reel
Real Time Clock 3-Wire Real Time Clock IC R2061S02-E2-F Nisshinbo 2,000: $0.873 Non-Stocked Lead-Time 12 Weeks	Mfr. Part No. R2061S02-E2-F Mouser Part No 848-R2061S02E2F	Nisshinbo	Real Time Clock 3-Wire Real Time Clock IC	Datasheet	Non-Stocked Lead-Time 12 Weeks	Reel $0.873 $0.827	Min.: 2,000 Mult.: 2,000 : 2,000	Serial 3-Wire	BCD	BCD	SSOP-16	Backup Switching	750 mV	5.5 V	- 40 C	+ 85 C	R2061S	SMD/SMT	Reel
Real Time Clock 3-Wire Real Time Clock IC R2062L01-E2 Nisshinbo 3,000: $0.733 Non-Stocked Lead-Time 12 Weeks	Mfr. Part No. R2062L01-E2 Mouser Part No 848-R2062L01-E2	Nisshinbo	Real Time Clock 3-Wire Real Time Clock IC		Non-Stocked Lead-Time 12 Weeks	Reel $0.733	Min.: 3,000 Mult.: 3,000 : 3,000	Serial 3-Wire	BCD	BCD	QFN023023-16	Backup Switching	750 mV	5.5 V	- 40 C	+ 85 C	R2062L	SMD/SMT	Reel