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MCP794XX Microchip Real-Time Clock/Calendar ICs

Microchip Technology MCP794XX Microchip Real-Time Clock/Calendar (RTCC) ICs offer low-cost system timekeeping solutions with 64 bytes of SRAM and up to 2 Kbits of EEPROM, including a user-lockable section of EEPROM that can be factory-programmed with a MAC address. Features include digital trimming, power-fail time stamp, and battery-switchover. MCP794XX RTCCs are ideally suited for smart energy, home appliance, automotive, and consumer electronic applications.

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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.	Interface Type	Date Format	Time Format	Package / Case	Battery Backup Switching	Supply Voltage - Min	Supply Voltage - Max	Minimum Operating Temperature	Maximum Operating Temperature	Mounting Style	Packaging
Real Time Clock I2C GP RTCC 1Kb EE 64B SRAM EUI-64 MCP79412-I/MS Microchip Technology 1: $1.53 3,720In Stock	Mfr. Part # MCP79412-I/MS Mouser Part # 579-MCP79412IMS	Microchip Technology	Real Time Clock I2C GP RTCC 1Kb EE 64B SRAM EUI-64 Learn More about Microchip Technology microchip mcp794xx calendars	Datasheet	3,720In Stock	$1.53 $1.52 $1.40 $1.33	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	Tube
Real Time Clock I2C GP RTCC 1Kb EE 64B SRAM EUI-64 MCP79412-I/ST Microchip Technology 1: $1.53 4,615In Stock	Mfr. Part # MCP79412-I/ST Mouser Part # 579-MCP79412IST	Microchip Technology	Real Time Clock I2C GP RTCC 1Kb EE 64B SRAM EUI-64 Learn More about Microchip Technology microchip mcp794xx calendars	Datasheet	4,615In Stock	$1.53 $1.40 $1.34	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	Tube
Real Time Clock I2C GP RTCC 1Kb EE 64B SRAM EUI-48 MCP79411T-I/MS Microchip Technology 1: $1.63 4,734In Stock	Mfr. Part # MCP79411T-I/MS Mouser Part # 579-MCP79411TIMS	Microchip Technology	Real Time Clock I2C GP RTCC 1Kb EE 64B SRAM EUI-48 Learn More about Microchip Technology microchip mcp794xx calendars	Datasheet	4,734In Stock	Cut Tape $1.63 Reel $1.34 MouseReel Available	Min.: 1 Mult.: 1 : 2,500	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	Reel, Cut Tape, MouseReel
Real Time Clock I2C GP RTCC 1Kb EE 64B SRAM EUI-48 MCP79411-I/SN Microchip Technology 1: $1.44 11,846In Stock	Mfr. Part # MCP79411-I/SN Mouser Part # 579-MCP79411ISN	Microchip Technology	Real Time Clock I2C GP RTCC 1Kb EE 64B SRAM EUI-48 Learn More about Microchip Technology microchip mcp794xx calendars	Datasheet	11,846In Stock	$1.44 $1.37 $1.30	Min.: 1 Mult.: 1	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	+ 85 C	SMD/SMT	Tube
Real Time Clock I2C GP RTCC 1Kb EE 64B SRAM ID MCP79410T-I/SN Microchip Technology 1: $1.44 14,619In Stock	Mfr. Part # MCP79410T-I/SN Mouser Part # 579-MCP79410T-I/SN	Microchip Technology	Real Time Clock I2C GP RTCC 1Kb EE 64B SRAM ID Learn More about Microchip Technology microchip mcp794xx calendars	Datasheet	14,619In Stock	Cut Tape $1.44 Reel $1.20 MouseReel Available	Min.: 1 Mult.: 1 : 3,300	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	+ 85 C	SMD/SMT	Reel, Cut Tape, MouseReel
Real Time Clock I2C GP RTCC 1Kb EE 64B SRAM ID MCP79410-I/SN Microchip Technology 1: $1.35 4,160In Stock	Mfr. Part # MCP79410-I/SN Mouser Part # 579-MCP79410-I/SN	Microchip Technology	Real Time Clock I2C GP RTCC 1Kb EE 64B SRAM ID Learn More about Microchip Technology microchip mcp794xx calendars	Datasheet	4,160In Stock	$1.35 $1.25 $1.20	Min.: 1 Mult.: 1	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	+ 85 C	SMD/SMT	Tube
Real Time Clock I2C GP RTCC 1Kb EE 64B SRAM ID MCP79410T-I/MS Microchip Technology 1: $1.53 7,334In Stock	Mfr. Part # MCP79410T-I/MS Mouser Part # 579-MCP79410T-I/MS	Microchip Technology	Real Time Clock I2C GP RTCC 1Kb EE 64B SRAM ID Learn More about Microchip Technology microchip mcp794xx calendars	Datasheet	7,334In Stock	Cut Tape $1.53 Reel $1.28 MouseReel Available	Min.: 1 Mult.: 1 : 2,500	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	Reel, Cut Tape, MouseReel
Real Time Clock I2C GP RTCC 1Kb EE 64B SRAM ID MCP79410T-I/ST Microchip Technology 1: $1.53 2,161In Stock	Mfr. Part # MCP79410T-I/ST Mouser Part # 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	2,161In Stock	Cut Tape $1.53 Reel $1.28 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	Reel, Cut Tape, MouseReel
Real Time Clock I2C GP RTCC 1Kb EE 64B SRAM EUI-64 MCP79412-I/SN Microchip Technology 1: $1.47 3,227In Stock	Mfr. Part # MCP79412-I/SN Mouser Part # 579-MCP79412ISN	Microchip Technology	Real Time Clock I2C GP RTCC 1Kb EE 64B SRAM EUI-64 Learn More about Microchip Technology microchip mcp794xx calendars	Datasheet	3,227In Stock	$1.47 $1.37 $1.34	Min.: 1 Mult.: 1	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	+ 85 C	SMD/SMT	Tube
Real Time Clock I2C GP RTCC 1Kb EE 64B SRAM EUI-64 MCP79412T-I/MNY Microchip Technology 1: $1.70 4,787In Stock	Mfr. Part # MCP79412T-I/MNY Mouser Part # 579-MCP79412TIMNY	Microchip Technology	Real Time Clock I2C GP RTCC 1Kb EE 64B SRAM EUI-64 Learn More about Microchip Technology microchip mcp794xx calendars	Datasheet	4,787In Stock	Cut Tape $1.70 Reel $1.42 MouseReel Available	Min.: 1 Mult.: 1 : 3,300	I2C	YY-MM-DD-dd	HH:MM:SS:hh (12 hr, 24 hr)	TDFN-8	Backup Switching	1.8 V	5.5 V	- 40 C	+ 85 C	SMD/SMT	Reel, Cut Tape, MouseReel
Real Time Clock I2C GP RTCC 1Kb EE 64B SRAM EUI-64 MCP79412T-I/SN Microchip Technology 1: $1.60 6,725In Stock 3,300Expected 11/2/2026	Mfr. Part # MCP79412T-I/SN Mouser Part # 579-MCP79412TISN	Microchip Technology	Real Time Clock I2C GP RTCC 1Kb EE 64B SRAM EUI-64 Learn More about Microchip Technology microchip mcp794xx calendars	Datasheet	6,725In Stock 3,300Expected 11/2/2026	Cut Tape $1.60 Reel $1.34 MouseReel Available	Min.: 1 Mult.: 1 : 3,300	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	+ 85 C	SMD/SMT	Reel, Cut Tape, MouseReel
Real Time Clock I2C GP RTCC 1Kb EE 64B SRAM ID MCP79410T-I/MNY Microchip Technology 1: $1.60 3,193In Stock	Mfr. Part # MCP79410T-I/MNY Mouser Part # 579-MCP79410T-I/MNY	Microchip Technology	Real Time Clock I2C GP RTCC 1Kb EE 64B SRAM ID Learn More about Microchip Technology microchip mcp794xx calendars	Datasheet	3,193In Stock	Cut Tape $1.60 Reel $1.34 MouseReel Available	Min.: 1 Mult.: 1 : 3,300	I2C	YY-MM-DD-dd	HH:MM:SS:hh (12 hr, 24 hr)	TDFN-8	Backup Switching	1.8 V	5.5 V	- 40 C	+ 85 C	SMD/SMT	Reel, Cut Tape, MouseReel
Real Time Clock I2C GP RTCC 1Kb EE 64B SRAM EUI-48 MCP79411T-I/SN Microchip Technology 1: $1.60 5,458In Stock	Mfr. Part # MCP79411T-I/SN Mouser Part # 579-MCP79411TISN	Microchip Technology	Real Time Clock I2C GP RTCC 1Kb EE 64B SRAM EUI-48 Learn More about Microchip Technology microchip mcp794xx calendars	Datasheet	5,458In Stock	Cut Tape $1.60 Reel $1.34 MouseReel Available	Min.: 1 Mult.: 1 : 3,300	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	+ 85 C	SMD/SMT	Reel, Cut Tape, MouseReel
Real Time Clock I2C GP RTCC 1Kb EE 64B SRAM ID MCP79410-I/MS Microchip Technology 1: $1.40 247In Stock 1,400Expected 11/2/2026	Mfr. Part # MCP79410-I/MS Mouser Part # 579-MCP79410-I/MS	Microchip Technology	Real Time Clock I2C GP RTCC 1Kb EE 64B SRAM ID Learn More about Microchip Technology microchip mcp794xx calendars	Datasheet	247In Stock 1,400Expected 11/2/2026	$1.40 $1.31 $1.28	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	Tube
Real Time Clock I2C GP RTCC 1Kb EE 64B SRAM ID MCP79410-I/ST Microchip Technology 1: $1.40 767In Stock	Mfr. Part # MCP79410-I/ST Mouser Part # 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	767In Stock	$1.40 $1.31 $1.28	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	Tube
Real Time Clock I2C GP RTCC 1Kb EE 64B SRAM EUI-48 MCP79411-I/MS Microchip Technology 1: $1.53 698In Stock	Mfr. Part # MCP79411-I/MS Mouser Part # 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	$1.53 $1.40 $1.38	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	Tube
Real Time Clock I2C GP RTCC 1Kb EE 64B SRAM EUI-48 MCP79411T-I/MNY Microchip Technology 1: $1.70 18In Stock 13,200On Order	Mfr. Part # MCP79411T-I/MNY Mouser Part # 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. #: MCP79411T-I/MNY Stock: 18 Can Ship Immediately On Order: 6,600 Expected 1/5/2027 6,600 Expected 1/18/2027 Factory Lead-Time: 12 Weeks	Cut Tape $1.70 Reel $1.42 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	Reel, Cut Tape, MouseReel
Real Time Clock I2C GP RTCC 1Kb EE 64B SRAM EUI-48 MCP79411-I/ST Microchip Technology 1: $1.53 498In Stock	Mfr. Part # MCP79411-I/ST Mouser Part # 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	$1.53 $1.40 $1.38	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	Tube
Real Time Clock I2C GP RTCC 1Kb EE 64B SRAM EUI-64 MCP79412T-I/MS Microchip Technology 1: $1.64 Non-Stocked Lead-Time 8 Weeks	Mfr. Part # MCP79412T-I/MS Mouser Part # 579-MCP79412TIMS	Microchip Technology	Real Time Clock I2C GP RTCC 1Kb EE 64B SRAM EUI-64 Learn More about Microchip Technology microchip mcp794xx calendars	Datasheet	Non-Stocked Lead-Time 8 Weeks	Cut Tape $1.64 Reel $1.38 MouseReel Available	Min.: 1 Mult.: 1 : 2,500	I2C	YY-MM-DD-dd	HH:MM:SS (24 hr)	MSOP-8	Backup Switching	1.8 V	5.5 V	- 40 C	+ 85 C	SMD/SMT	Reel, Cut Tape, MouseReel
Real Time Clock I2C GP RTCC 1Kb EE 64B SRAM EUI-64 MCP79412T-I/ST Microchip Technology 2,500: $1.38 Non-Stocked Lead-Time 10 Weeks	Mfr. Part # MCP79412T-I/ST Mouser Part # 579-MCP79412TIST	Microchip Technology	Real Time Clock I2C GP RTCC 1Kb EE 64B SRAM EUI-64 Learn More about Microchip Technology microchip mcp794xx calendars	Datasheet	Non-Stocked Lead-Time 10 Weeks	Reel $1.38	Min.: 2,500 Mult.: 2,500 : 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
Real Time Clock I2C GP RTCC 1Kb EE 64B SRAM EUI-48 MCP79411T-I/ST Microchip Technology 1: $1.64 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 $1.64 Reel $1.38 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

MCP794XX Microchip Real-Time Clock/Calendar ICs

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