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Real Time Clock

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Image	Part #	Mfr.	Description	Datasheet	Availability	Pricing (EUR) 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 RTCC 64B SRAM No VBAT MCP7940M-I/MS Microchip Technology 1: 0,611 € 250In Stock 600Expected 27/10/2026	Mfr. Part No. MCP7940M-I/MS Mouser Part No 579-MCP7940M-I/MS	Microchip Technology	Real Time Clock I2C RTCC 64B SRAM No VBAT Learn More about Microchip Technology microchip real time clocks	Datasheet	250In Stock 600Expected 27/10/2026	0,611 € 0,568 € 0,547 €	Min.: 1 Mult.: 1	I2C	YY-MM-DD-dd	HH:MM:SS:hh (12 hr, 24 hr)	MSOP-8	No Backup Switching	1.8 V	5.5 V	- 40 C	+ 85 C		SMD/SMT	Tube
Real Time Clock I2C RTCC 64B SRAM No VBAT MCP7940M-I/SN Microchip Technology 1: 0,576 € 39In Stock 600Expected 05/11/2026	Mfr. Part No. MCP7940M-I/SN Mouser Part No 579-MCP7940M-I/SN	Microchip Technology	Real Time Clock I2C RTCC 64B SRAM No VBAT Learn More about Microchip Technology microchip real time clocks	Datasheet	39In Stock 600Expected 05/11/2026	0,576 € 0,533 € 0,525 €	Min.: 1 Mult.: 1	I2C	YY-MM-DD-dd	HH:MM:SS:hh (12 hr, 24 hr)	SOIC-8	No Backup Switching	1.8 V	5.5 V	- 40 C	+ 85 C		SMD/SMT	Tube
Real Time Clock I2C RTCC 64B SRAM No VBAT MCP7940MT-I/MNY Microchip Technology 1: 0,714 € 1 652In Stock 3 300Expected 25/01/2027	Mfr. Part No. MCP7940MT-I/MNY Mouser Part No 579-MCP7940MT-I/MNY	Microchip Technology	Real Time Clock I2C RTCC 64B SRAM No VBAT Learn More about Microchip Technology microchip real time clocks	Datasheet	1 652In Stock 3 300Expected 25/01/2027	Cut Tape 0,714 € 0,711 € Reel 0,603 € MouseReel Available	Min.: 1 Mult.: 1 : 3 300	I2C	YY-MM-DD-dd	HH:MM:SS:hh (12 hr, 24 hr)	TDFN-8	No Backup Switching	1.8 V	5.5 V	- 40 C	+ 85 C		SMD/SMT	Reel, Cut Tape, MouseReel
Real Time Clock I2C RTCC 64B SRAM No VBAT MCP7940MT-I/ST Microchip Technology 1: 0,645 € 215In Stock	Mfr. Part No. MCP7940MT-I/ST Mouser Part No 579-MCP7940MT-I/ST	Microchip Technology	Real Time Clock I2C RTCC 64B SRAM No VBAT Learn More about Microchip Technology microchip real time clocks	Datasheet	215In Stock	Cut Tape 0,645 € Reel 0,547 € MouseReel Available	Min.: 1 Mult.: 1 : 2 500	I2C	YY-MM-DD-dd	HH:MM:SS:hh (12 hr, 24 hr)	TSSOP-8	No Backup Switching	1.8 V	5.5 V	- 40 C	+ 85 C		SMD/SMT	Reel, Cut Tape, MouseReel
Real Time Clock I2C GP RTCC 64B SRAM, EXT MCP7940N-E/MS Microchip Technology 1: 0,834 € 852In Stock	Mfr. Part No. MCP7940N-E/MS Mouser Part No 579-MCP7940N-E/MS	Microchip Technology	Real Time Clock I2C GP RTCC 64B SRAM, EXT Learn More about Microchip Technology microchip real time clocks	Datasheet	852In Stock	0,834 € 0,774 € 0,738 €	Min.: 1 Mult.: 1	Serial 2-Wire, 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	+ 125 C		SMD/SMT	Tube
Real Time Clock I2C GP RTCC 64B SRAM ExT SER EE, ExT MCP7940N-E/SN Microchip Technology 1: 0,791 € 847In Stock	Mfr. Part No. MCP7940N-E/SN Mouser Part No 579-MCP7940N-E/SN	Microchip Technology	Real Time Clock I2C GP RTCC 64B SRAM ExT SER EE, ExT Learn More about Microchip Technology microchip real time clocks	Datasheet	847In Stock	0,791 € 0,731 € 0,727 €	Min.: 1 Mult.: 1	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		SMD/SMT	Tube
Real Time Clock I2C GP RTCC,64B SRAM MCP7940N-I/P Microchip Technology 1: 0,791 € 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	0,791 € 0,731 € 0,727 €	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: 0,774 € 67In Stock 500Expected 27/10/2026	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 27/10/2026	0,774 € 0,715 €	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: 0,929 € 247In Stock 1 400Expected 02/11/2026	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 02/11/2026	0,929 € 0,869 € 0,861 €	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: 0,929 € 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	0,929 € 0,869 € 0,861 €	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: 1,01 € 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	1,01 € 0,929 € 0,917 €	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: 1,13 € 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 1,13 € Reel 0,95 € 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: 1,20 € 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	1,20 € 1,10 € 1,08 €	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: 1,51 € 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	1,51 € 1,40 € 1,38 €	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: 1,63 € 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	1,63 € 1,51 € 1,48 €	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: 1,59 € 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	1,59 € 1,47 € 1,44 €	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: 1,63 € 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	1,63 € 1,51 € 1,48 €	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: 1,67 € 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	1,67 € 1,55 € 1,53 €	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: 1,70 € 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	1,70 € 1,58 € 1,56 €	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: 1,67 € 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	1,67 € 1,55 € 1,53 €	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 RTC IC with 114x8 NV SRAM BQ3285S-SB2 Texas Instruments 1: 15,73 € 17In Stock End of Life	Mfr. Part No. BQ3285S-SB2 Mouser Part No 595-BQ3285S-SB2 End of Life	Texas Instruments	Real Time Clock RTC IC with 114x8 NV SRAM	Datasheet	17In Stock	15,73 € 12,99 € 11,03 € 10,75 € View 10,25 € 10,07 € 10,06 €	Min.: 1 Mult.: 1	Multiplexed	YY-MM-DD-dd	HH:MM:SS:hh (12 hr, 24 hr)	SOIC-24	Backup Switching	4.5 V	5.5 V	0 C	+ 70 C	BQ3285	SMD/SMT	Tube
Real Time Clock Parallel RTC BQ4802YPW Texas Instruments 1: 10,84 € 76In Stock End of Life	Mfr. Part No. BQ4802YPW Mouser Part No 595-BQ4802YPW End of Life	Texas Instruments	Real Time Clock Parallel RTC	Datasheet	76In Stock	10,84 € 8,49 € 7,90 € 7,26 € View 7,19 € 6,77 € 6,61 € Quote	Min.: 1 Mult.: 1	Parallel	YY-MM-DD-dd	HH:MM:SS (24 hr)	TSSOP-28	Backup Switching	4.5 V	5.5 V	0 C	+ 70 C	BQ4802Y	SMD/SMT	Tube
Real Time Clock I2C GP RTCC 1Kb EE 64B SRAM EUI-48 MCP79411-I/ST Microchip Technology 1: 1,01 € 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	1,01 € 0,929 € 0,917 €	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: 1,28 € 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 1,28 € Reel 1,08 €	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: 1,27 € 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	1,27 € 1,18 € 1,16 €	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

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