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Real Time Clock

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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,64B SRAM MCP7940N-I/P Microchip Technology 1: $0.92 483In Stock	Mfr. Part No. MCP7940N-I/P Mouser Part No 579-MCP7940N-I/P	Microchip Technology	Real Time Clock I2C GP RTCC,64B SRAM Learn More about Microchip Technology microchip real time clocks	Datasheet	483In Stock	$0.92 $0.85 $0.846	Min.: 1 Mult.: 1	Serial 2-Wire, I2C	YY-MM-DD-dd	HH:MM:SS:hh (12 hr, 24 hr)	PDIP-8	Backup Switching	1.8 V	5.5 V	- 40 C	+ 85 C	Through Hole	Tube
Real Time Clock I2C GP RTCC 64B SRAM MCP7940N-I/ST Microchip Technology 1: $0.90 67In Stock 500Expected 2026/10/27	Mfr. Part No. MCP7940N-I/ST Mouser Part No 579-MCP7940N-I/ST	Microchip Technology	Real Time Clock I2C GP RTCC 64B SRAM Learn More about Microchip Technology microchip mcp7940n calendar	Datasheet	67In Stock 500Expected 2026/10/27	$0.90 $0.832	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	Tube
Real Time Clock I2C GP RTCC 1Kb EE 64B SRAM ID MCP79410-I/MS Microchip Technology 1: $1.08 247In Stock 1,400Expected 2026/11/02	Mfr. Part No. MCP79410-I/MS Mouser Part No 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 2026/11/02	$1.08 $1.01 $1.00	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: $1.08 657In 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	657In Stock	$1.08 $1.01 $1.00	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: $1.17 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	$1.17 $1.08 $1.07	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: $1.31 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 2027/01/05 6,600 Expected 2027/01/18 Factory Lead Time: 12 Weeks	Cut Tape $1.31 Reel $1.10 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 SPI GP RTCC 1Kb EE 64B SRAM EUI-48 MCP79511-I/MS Microchip Technology 1: $1.40 494In Stock	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	494In Stock	$1.40 $1.28 $1.26	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	Tube
Real Time Clock 1Kb EE 64B SRAM WD TED ID MCP795W10-I/SL Microchip Technology 1: $1.76 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	$1.76 $1.63 $1.60	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 MCP795W11-I/ST Microchip Technology 1: $1.90 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	$1.90 $1.76 $1.72	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 2Kb EE 64B SRAM WD TED ID MCP795W20-I/SL Microchip Technology 1: $1.85 333In 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	333In Stock	$1.85 $1.71 $1.67	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 2Kb EE 64B SRAM WD TED ID MCP795W20-I/ST Microchip Technology 1: $1.90 192In 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	192In Stock	$1.90 $1.76 $1.72	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 2Kb EE 64B SRAM WD TED EUI-48 MCP795W21-I/SL Microchip Technology 1: $1.94 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	$1.94 $1.80 $1.78	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 2Kb EE 64B SRAM WD TED EUI-48 MCP795W21-I/ST Microchip Technology 1: $1.98 121In 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	121In Stock	$1.98 $1.84 $1.81	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 2Kb EE 64B SRAM WD TED EUI-64 MCP795W22-I/SL Microchip Technology 1: $1.94 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	$1.94 $1.80 $1.78	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 I2C GP RTCC 1Kb EE 64B SRAM EUI-48 MCP79411-I/ST Microchip Technology 1: $1.17 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	$1.17 $1.08 $1.07	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 SPI GP RTCC 2Kb EE 64B SRAM ID MCP79520T-I/MN Microchip Technology 1: $1.49 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 $1.49 Reel $1.26	Min.: 1 Mult.: 1 : 3,300											Reel, Cut Tape
Real Time Clock SPI GP RTCC 2Kb EE 64B SRAM EUI-48 MCP79521-I/MS Microchip Technology 1: $1.48 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	$1.48 $1.37 $1.35	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	Tube
Real Time Clock SPI GP RTCC 2Kb EE 64B SRAM EUI-48 MCP79521T-I/MS Microchip Technology 1: $1.60 730In 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	730In Stock	Cut Tape $1.60 Reel $1.35 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	Reel, Cut Tape, MouseReel
Real Time Clock SPI GP RTCC 1Kb EE 64B SRAM EUI-64 MCP79512-I/MS Microchip Technology 1: $1.40 500Expected 2026/10/28	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	500Expected 2026/10/28	$1.40 $1.28 $1.26	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	Tube
Real Time Clock I2C GP RTCC 64B SRAM ID MCP79400T-I/MNY Microchip Technology 1: $1.11 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	Cut Tape $1.11 Reel $0.936	Min.: 1 Mult.: 1 : 3,300											Reel, Cut Tape
Real Time Clock I2C GP RTCC 64B SRAM ID MCP79400T-I/ST Microchip Technology 2,500: $0.897 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 $0.897	Min.: 2,500 Mult.: 2,500 : 2,500											Reel
Real Time Clock I2C GP RTCC 64B SRAM EUI-48 MCP79401T-I/MS Microchip Technology 2,500: $1.00 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 $1.00	Min.: 2,500 Mult.: 2,500 : 2,500											Reel
Real Time Clock I2C GP RTCC 64B SRAM EUI-48 MCP79401T-I/SN Microchip Technology 3,300: $0.936 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 $0.936	Min.: 3,300 Mult.: 3,300 : 3,300											Reel
Real Time Clock I2C GP RTCC 64B SRAM EUI-48 MCP79401T-I/ST Microchip Technology 2,500: $1.00 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 $1.00	Min.: 2,500 Mult.: 2,500 : 2,500											Reel
Real Time Clock I2C GP RTCC 64B SRAM EUI-64 MCP79402-I/ST Microchip Technology 1: $1.08 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	$1.08 $1.01 $1.00	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	Tube

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