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Real Time Clock

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Image	Part #	Mfr.	Description	Datasheet	Availability	Pricing (GBP) 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	Time Keeping Current	Packaging
Real Time Clock I2C GP RTCC 64B SRAM EXT MCP7940NT-E/SN Microchip Technology 1: £0.751 822In Stock 3,300Expected 19/11/2026	Mfr. Part No. MCP7940NT-E/SN Mouser Part No 579-MCP7940NT-E/SN	Microchip Technology	Real Time Clock I2C GP RTCC 64B SRAM EXT Learn More about Microchip Technology microchip real time clocks	Datasheet	822In Stock 3,300Expected 19/11/2026	Cut Tape £0.751 £0.747 Reel £0.635 MouseReel Available	Min.: 1 Mult.: 1 : 3,300	Serial 2-Wire, I2C	YY-MM-DD-dd	HH:MM:SS:hh (12 hr, 24 hr)	SOIC-8	Backup Switching	1.8 V	5.5 V	- 40 C	+ 125 C	MCP7940N	SMD/SMT	1.2 uA	Reel, Cut Tape, MouseReel
Real Time Clock I2C GP RTCC 1Kb EE 64B SRAM ID MCP79410-I/ST Microchip Technology 1: £0.811 607In Stock	Mfr. Part No. MCP79410-I/ST Mouser Part No 579-MCP79410-I/ST	Microchip Technology	Real Time Clock I2C GP RTCC 1Kb EE 64B SRAM ID Learn More about Microchip Technology microchip mcp794xx calendars	Datasheet	607In Stock	£0.811 £0.759 £0.752	Min.: 1 Mult.: 1	I2C	YY-MM-DD-dd	HH:MM:SS:hh (12 hr, 24 hr)	TSSOP-8	Backup Switching	1.8 V	5.5 V	- 40 C	+ 85 C		SMD/SMT	1.2 uA	Tube
Real Time Clock I2C GP RTCC 1Kb EE 64B SRAM ID MCP79410T-I/ST Microchip Technology 1: £0.882 1,149In Stock 5,000Expected 18/01/2027	Mfr. Part No. MCP79410T-I/ST Mouser Part No 579-MCP79410T-I/ST	Microchip Technology	Real Time Clock I2C GP RTCC 1Kb EE 64B SRAM ID Learn More about Microchip Technology microchip mcp794xx calendars	Datasheet	1,149In Stock 5,000Expected 18/01/2027	Cut Tape £0.882 Reel £0.752 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	1.8 V	5.5 V	- 40 C	+ 85 C		SMD/SMT	1.2 uA	Reel, Cut Tape, MouseReel
Real Time Clock I2C GP RTCC 1Kb EE 64B SRAM EUI-48 MCP79411-I/MS Microchip Technology 1: £0.882 698In Stock	Mfr. Part No. MCP79411-I/MS Mouser Part No 579-MCP79411IMS	Microchip Technology	Real Time Clock I2C GP RTCC 1Kb EE 64B SRAM EUI-48 Learn More about Microchip Technology microchip mcp794xx calendars	Datasheet	698In Stock	£0.882 £0.811 £0.801	Min.: 1 Mult.: 1	I2C	YY-MM-DD-dd	HH:MM:SS:hh (12 hr, 24 hr)	MSOP-8	Backup Switching	1.8 V	5.5 V	- 40 C	+ 85 C		SMD/SMT	1.2 uA	Tube
Real Time Clock I2C GP RTCC 1Kb EE 64B SRAM EUI-48 MCP79411T-I/MNY Microchip Technology 1: £0.986 18In Stock 13,200On Order	Mfr. Part No. MCP79411T-I/MNY Mouser Part No 579-MCP79411TIMNY	Microchip Technology	Real Time Clock I2C GP RTCC 1Kb EE 64B SRAM EUI-48 Learn More about Microchip Technology microchip mcp794xx calendars	Datasheet	18In Stock 13,200On Order On Order Ship Dates Mfr. No: MCP79411T-I/MNY Stock: 18 Can Dispatch Immediately On Order: 6,600 Expected 05/01/2027 6,600 Expected 18/01/2027 Factory Lead Time: 12 Weeks	Cut Tape £0.986 Reel £0.829 MouseReel Available	Min.: 1 Mult.: 1 : 3,300	I2C	YY-MM-DD-dd	HH:MM:SS (24 hr)	TDFN-8	Backup Switching	1.8 V	5.5 V	- 40 C	+ 85 C		SMD/SMT	1.2 uA	Reel, Cut Tape, MouseReel
Real Time Clock SPI GP RTCC 1Kb EE 64B SRAM ID MCP79510-I/MS Microchip Technology 1: £0.969 1,107In Stock 1,600Expected 18/11/2026	Mfr. Part No. MCP79510-I/MS Mouser Part No 579-MCP79510-I/MS	Microchip Technology	Real Time Clock SPI GP RTCC 1Kb EE 64B SRAM ID Learn More about Microchip Technology microchip mcp795xx	Datasheet	1,107In Stock 1,600Expected 18/11/2026	£0.969 £0.899 £0.882	Min.: 1 Mult.: 1	SPI	YY-MM-DD-dd	HH:MM:SS:hh (12 hr, 24 hr)	MSOP-10	Backup Switching	1.8 V	3.6 V	- 40 C	+ 85 C		SMD/SMT	1.2 uA	Tube
Real Time Clock SPI GP RTCC 1Kb EE 64B SRAM EUI-48 MCP79511-I/MS Microchip Technology 1: £1.05 244In Stock 300Expected 20/11/2026	Mfr. Part No. MCP79511-I/MS Mouser Part No 579-MCP79511-I/MS	Microchip Technology	Real Time Clock SPI GP RTCC 1Kb EE 64B SRAM EUI-48 Learn More about Microchip Technology microchip mcp795xx	Datasheet	244In Stock 300Expected 20/11/2026	£1.05 £0.96 £0.943	Min.: 1 Mult.: 1	SPI	YY-MM-DD-dd	HH:MM:SS:hh (12 hr, 24 hr)	MSOP-10	Backup Switching	1.8 V	3.6 V	- 40 C	+ 85 C		SMD/SMT	1.2 uA	Tube
Real Time Clock SPI GP RTCC 1Kb EE 64B SRAM EUI-64 MCP79512-I/MS Microchip Technology 1: £1.05 500In Stock	Mfr. Part No. MCP79512-I/MS Mouser Part No 579-MCP79512-I/MS	Microchip Technology	Real Time Clock SPI GP RTCC 1Kb EE 64B SRAM EUI-64 Learn More about Microchip Technology microchip mcp795xx	Datasheet	500In Stock	£1.05 £0.96 £0.943	Min.: 1 Mult.: 1	SPI	YY-MM-DD-dd	HH:MM:SS:hh (12 hr, 24 hr)	MSOP-10	Backup Switching	1.8 V	3.6 V	- 40 C	+ 85 C		SMD/SMT	1.2 uA	Tube
Real Time Clock 1Kb EE 64B SRAM WD TED ID MCP795W10-I/SL Microchip Technology 1: £1.32 438In Stock	Mfr. Part No. MCP795W10-I/SL Mouser Part No 579-MCP795W10-I/SL	Microchip Technology	Real Time Clock 1Kb EE 64B SRAM WD TED ID Learn More about Microchip Technology microchip mcp795xx	Datasheet	438In Stock	£1.32 £1.22 £1.20	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	1.2 uA	Tube
Real Time Clock 1Kb EE 64B SRAM WD TED EUI-48 MCP795W11-I/ST Microchip Technology 1: £1.42 195In Stock	Mfr. Part No. MCP795W11-I/ST Mouser Part No 579-MCP795W11-I/ST	Microchip Technology	Real Time Clock 1Kb EE 64B SRAM WD TED EUI-48 Learn More about Microchip Technology microchip mcp795xx	Datasheet	195In Stock	£1.42 £1.32 £1.29	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	700 nA	Tube
Real Time Clock 2Kb EE 64B SRAM WD TED ID MCP795W20-I/SL Microchip Technology 1: £1.39 298In Stock	Mfr. Part No. MCP795W20-I/SL Mouser Part No 579-MCP795W20-I/SL	Microchip Technology	Real Time Clock 2Kb EE 64B SRAM WD TED ID Learn More about Microchip Technology microchip mcp795xx	Datasheet	298In Stock	£1.39 £1.28 £1.26	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	700 nA	Tube
Real Time Clock 2Kb EE 64B SRAM WD TED ID MCP795W20-I/ST Microchip Technology 1: £1.42 166In Stock	Mfr. Part No. MCP795W20-I/ST Mouser Part No 579-MCP795W20-I/ST	Microchip Technology	Real Time Clock 2Kb EE 64B SRAM WD TED ID Learn More about Microchip Technology microchip mcp795xx	Datasheet	166In Stock	£1.42 £1.32 £1.29	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	700 nA	Tube
Real Time Clock 2Kb EE 64B SRAM WD TED EUI-48 MCP795W21-I/SL Microchip Technology 1: £1.46 270In Stock	Mfr. Part No. MCP795W21-I/SL Mouser Part No 579-MCP795W21-I/SL	Microchip Technology	Real Time Clock 2Kb EE 64B SRAM WD TED EUI-48 Learn More about Microchip Technology microchip mcp795xx	Datasheet	270In Stock	£1.46 £1.35 £1.34	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	700 nA	Tube
Real Time Clock 2Kb EE 64B SRAM WD TED EUI-48 MCP795W21-I/ST Microchip Technology 1: £1.48 96In Stock	Mfr. Part No. MCP795W21-I/ST Mouser Part No 579-MCP795W21-I/ST	Microchip Technology	Real Time Clock 2Kb EE 64B SRAM WD TED EUI-48 Learn More about Microchip Technology microchip mcp795xx	Datasheet	96In Stock	£1.48 £1.38 £1.36	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	700 nA	Tube
Real Time Clock 2Kb EE 64B SRAM WD TED EUI-64 MCP795W22-I/SL Microchip Technology 1: £1.46 5In Stock	Mfr. Part No. MCP795W22-I/SL Mouser Part No 579-MCP795W22-I/SL	Microchip Technology	Real Time Clock 2Kb EE 64B SRAM WD TED EUI-64 Learn More about Microchip Technology microchip mcp795xx	Datasheet	5In Stock	£1.46 £1.35 £1.34	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	700 nA	Tube
Real Time Clock I2C GP RTCC 1Kb EE 64B SRAM EUI-48 MCP79411-I/ST Microchip Technology 1: £0.882 498In Stock	Mfr. Part No. MCP79411-I/ST Mouser Part No 579-MCP79411IST	Microchip Technology	Real Time Clock I2C GP RTCC 1Kb EE 64B SRAM EUI-48 Learn More about Microchip Technology microchip mcp794xx calendars	Datasheet	498In Stock	£0.882 £0.811 £0.801	Min.: 1 Mult.: 1	I2C	YY-MM-DD-dd	HH:MM:SS:hh (12 hr, 24 hr)	TSSOP-8	Backup Switching	1.8 V	5.5 V	- 40 C	+ 85 C		SMD/SMT	1.2 uA	Tube
Real Time Clock SPI GP RTCC 2Kb EE 64B SRAM ID MCP79520T-I/MN Microchip Technology 1: £1.12 2,905In Stock	Mfr. Part No. MCP79520T-I/MN Mouser Part No 579-MCP79520T-I/MN	Microchip Technology	Real Time Clock SPI GP RTCC 2Kb EE 64B SRAM ID Learn More about Microchip Technology microchip mcp795xx	Datasheet	2,905In Stock	Cut Tape £1.12 Reel £0.943	Min.: 1 Mult.: 1 : 3,300												1.2 uA	Reel, Cut Tape
Real Time Clock SPI GP RTCC 2Kb EE 64B SRAM EUI-48 MCP79521-I/MS Microchip Technology 1: £1.11 150In Stock	Mfr. Part No. MCP79521-I/MS Mouser Part No 579-MCP79521-I/MS	Microchip Technology	Real Time Clock SPI GP RTCC 2Kb EE 64B SRAM EUI-48 Learn More about Microchip Technology microchip mcp795xx	Datasheet	150In Stock	£1.11 £1.03 £1.01	Min.: 1 Mult.: 1	SPI	YY-MM-DD-dd	HH:MM:SS:hh (12 hr, 24 hr)	MSOP-10	Backup Switching	1.8 V	3.6 V	- 40 C	+ 85 C		SMD/SMT	1.2 uA	Tube
Real Time Clock SPI GP RTCC 2Kb EE 64B SRAM EUI-48 MCP79521T-I/MS Microchip Technology 1: £1.20 666In Stock	Mfr. Part No. MCP79521T-I/MS Mouser Part No 579-MCP79521T-I/MS	Microchip Technology	Real Time Clock SPI GP RTCC 2Kb EE 64B SRAM EUI-48 Learn More about Microchip Technology microchip mcp795xx	Datasheet	666In Stock	Cut Tape £1.20 Reel £1.01 MouseReel Available	Min.: 1 Mult.: 1 : 2,500	Serial, I2C, SPI	YY-MM-DD-dd	HH:MM:SS:hh (12 hr, 24 hr)		Backup Switching	1.8 V	3.6 V	- 40 C	+ 85 C		SMD/SMT	1.2 uA	Reel, Cut Tape, MouseReel
Real Time Clock I2C GP RTCC 64B SRAM ID MCP79400T-I/MNY Microchip Technology 3,300: £0.703 Non-Stocked Lead-Time 12 Weeks	Mfr. Part No. MCP79400T-I/MNY Mouser Part No 579-MCP79400TIMNY	Microchip Technology	Real Time Clock I2C GP RTCC 64B SRAM ID Learn More about Microchip Technology microchip mcp7940n calendar	Datasheet	Non-Stocked Lead-Time 12 Weeks	Reel £0.703	Min.: 3,300 Mult.: 3,300 : 3,300												1.2 uA	Reel
Real Time Clock I2C GP RTCC 64B SRAM ID MCP79400T-I/ST Microchip Technology 2,500: £0.673 Non-Stocked Lead-Time 10 Weeks	Mfr. Part No. MCP79400T-I/ST Mouser Part No 579-MCP79400TIST	Microchip Technology	Real Time Clock I2C GP RTCC 64B SRAM ID Learn More about Microchip Technology microchip mcp7940n calendar	Datasheet	Non-Stocked Lead-Time 10 Weeks	Reel £0.673	Min.: 2,500 Mult.: 2,500 : 2,500												1.2 uA	Reel
Real Time Clock I2C GP RTCC 64B SRAM EUI-48 MCP79401T-I/MS Microchip Technology 2,500: £0.752 Non-Stocked Lead-Time 9 Weeks	Mfr. Part No. MCP79401T-I/MS Mouser Part No 579-MCP79401TIMS	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 9 Weeks	Reel £0.752	Min.: 2,500 Mult.: 2,500 : 2,500												1.2 uA	Reel
Real Time Clock I2C GP RTCC 64B SRAM EUI-48 MCP79401T-I/SN Microchip Technology 3,300: £0.703 Non-Stocked Lead-Time 10 Weeks	Mfr. Part No. MCP79401T-I/SN Mouser Part No 579-MCP79401TISN	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 10 Weeks	Reel £0.703	Min.: 3,300 Mult.: 3,300 : 3,300												1.2 uA	Reel
Real Time Clock I2C GP RTCC 64B SRAM EUI-48 MCP79401T-I/ST Microchip Technology 2,500: £0.752 Non-Stocked Lead-Time 10 Weeks	Mfr. Part No. MCP79401T-I/ST Mouser Part No 579-MCP79401TIST	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 10 Weeks	Reel £0.752	Min.: 2,500 Mult.: 2,500 : 2,500												1.2 uA	Reel
Real Time Clock I2C GP RTCC 64B SRAM EUI-64 MCP79402-I/ST Microchip Technology 1: £0.811 Non-Stocked Lead-Time 10 Weeks	Mfr. Part No. MCP79402-I/ST Mouser Part No 579-MCP79402IST	Microchip Technology	Real Time Clock I2C GP RTCC 64B SRAM EUI-64 Learn More about Microchip Technology microchip mcp7940n calendar	Datasheet	Non-Stocked Lead-Time 10 Weeks	£0.811 £0.759 £0.752	Min.: 1 Mult.: 1	Serial 2-Wire, I2C	YY-MM-DD-dd	HH:MM:SS:hh (12 hr, 24 hr)	TSSOP-8	Backup Switching	1.8 V	5.5 V	- 40 C	+ 85 C		SMD/SMT	1.2 uA	Tube

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