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Clock & Timer ICs

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Types of Clock & Timer ICs

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Part #

Real Time Clock I2C GP RTCC 64B SRAM ID

MCP79400T-I/SN
Microchip Technology
1: CHF 0.789
957In Stock
6’600Expected 10/13/2026

Mfr. Part No.
MCP79400T-I/SN

Mouser Part No
579-MCP79400TISN

Microchip Technology

Real Time Clock I2C GP RTCC 64B SRAM ID

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Datasheet

957In Stock

6’600Expected 10/13/2026

Cut Tape

CHF 0.789

CHF 0.786

CHF 0.779

CHF 0.777

CHF 0.774

Reel

CHF 0.691

Min.: 1
Mult.: 1

: 3’300

Real Time Clock I2C GP RTCC 64B SRAM EUI-48

MCP79401-I/MS
Microchip Technology
1: CHF 0.87
1’252In Stock

Mfr. Part No.
MCP79401-I/MS

Mouser Part No
579-MCP79401IMS

Microchip Technology

Real Time Clock I2C GP RTCC 64B SRAM EUI-48

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Datasheet

1’252In Stock

CHF 0.87

Min.: 1
Mult.: 1

Real Time Clock I2C GP RTCC 64B SRAM EUI-48

MCP79401-I/ST
Microchip Technology
1: CHF 0.87
307In Stock

Mfr. Part No.
MCP79401-I/ST

Mouser Part No
579-MCP79401IST

Microchip Technology

Real Time Clock I2C GP RTCC 64B SRAM EUI-48

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Datasheet

307In Stock

CHF 0.87

CHF 0.813

CHF 0.806

Min.: 1
Mult.: 1

Real Time Clock I2C GP RTCC 64B SRAM EUI-64

MCP79402-I/MS
Microchip Technology
1: CHF 0.87
752In Stock

Mfr. Part No.
MCP79402-I/MS

Mouser Part No
579-MCP79402IMS

Microchip Technology

Real Time Clock I2C GP RTCC 64B SRAM EUI-64

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Datasheet

752In Stock

CHF 0.87

CHF 0.813

CHF 0.806

Min.: 1
Mult.: 1

Real Time Clock I2C GP RTCC 64B SRAM EUI-64

MCP79402-I/SN
Microchip Technology
1: CHF 0.837
1’056In Stock

Mfr. Part No.
MCP79402-I/SN

Mouser Part No
579-MCP79402ISN

Microchip Technology

Real Time Clock I2C GP RTCC 64B SRAM EUI-64

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Datasheet

1’056In Stock

CHF 0.837

Min.: 1
Mult.: 1

Real Time Clock I2C RTCC 64B SRAM No VBAT

MCP7940M-I/P
Microchip Technology
1: CHF 0.595
680In Stock

Mfr. Part No.
MCP7940M-I/P

Mouser Part No
579-MCP7940579-M-I/P

Microchip Technology

Real Time Clock I2C RTCC 64B SRAM No VBAT

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Datasheet

680In Stock

CHF 0.595

CHF 0.555

Min.: 1
Mult.: 1

Real Time Clock I2C RTCC 64B SRAM No VBAT

MCP7940M-I/MS
Microchip Technology
1: CHF 0.572
776In Stock

Mfr. Part No.
MCP7940M-I/MS

Mouser Part No
579-MCP7940M-I/MS

Microchip Technology

Real Time Clock I2C RTCC 64B SRAM No VBAT

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Datasheet

776In Stock

CHF 0.572

Min.: 1
Mult.: 1

Real Time Clock I2C RTCC 64B SRAM No VBAT

MCP7940M-I/SN
Microchip Technology
1: CHF 0.539
620In Stock

Mfr. Part No.
MCP7940M-I/SN

Mouser Part No
579-MCP7940M-I/SN

Microchip Technology

Real Time Clock I2C RTCC 64B SRAM No VBAT

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Datasheet

620In Stock

CHF 0.539

CHF 0.499

CHF 0.491

Min.: 1
Mult.: 1

Real Time Clock I2C RTCC 64B SRAM No VBAT

MCP7940MT-I/MS
Microchip Technology
1: CHF 0.588
6’862In Stock

Mfr. Part No.
MCP7940MT-I/MS

Mouser Part No
579-MCP7940MT-I/MS

Microchip Technology

Real Time Clock I2C RTCC 64B SRAM No VBAT

Learn More

Datasheet

6’862In Stock

Cut Tape

CHF 0.588

CHF 0.586

CHF 0.545

CHF 0.512

Reel

CHF 0.512

MouseReel Available

Min.: 1
Mult.: 1

: 2’500

Real Time Clock I2C RTCC 64B SRAM No VBAT

MCP7940MT-I/ST
Microchip Technology
1: CHF 0.588
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

Datasheet

215In Stock

Cut Tape

CHF 0.588

CHF 0.586

CHF 0.512

Reel

CHF 0.512

MouseReel Available

Min.: 1
Mult.: 1

: 2’500

Real Time Clock I2C GP RTCC 64B SRAM, EXT

MCP7940N-E/MS
Microchip Technology
1: CHF 0.781
1’398In 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

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Datasheet

1’398In Stock

CHF 0.781

CHF 0.724

CHF 0.691

Min.: 1
Mult.: 1

Real Time Clock I2C GP RTCC 64B SRAM ExT SER EE, ExT

MCP7940N-E/SN
Microchip Technology
1: CHF 0.74
909In 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

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Datasheet

909In Stock

CHF 0.74

CHF 0.684

CHF 0.68

Min.: 1
Mult.: 1

Real Time Clock I2C GP RTCC,64B SRAM

MCP7940N-I/P
Microchip Technology
1: CHF 0.74
585In Stock

Mfr. Part No.
MCP7940N-I/P

Mouser Part No
579-MCP7940N-I/P

Microchip Technology

Real Time Clock I2C GP RTCC,64B SRAM

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Datasheet

585In Stock

CHF 0.74

Min.: 1
Mult.: 1

Real Time Clock I2C GP RTCC 64B SRAM

MCP7940N-I/ST
Microchip Technology
1: CHF 0.724
201In Stock
500Expected 10/26/2026

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

Datasheet

201In Stock

500Expected 10/26/2026

CHF 0.724

CHF 0.669

Min.: 1
Mult.: 1

Real Time Clock I2C GP RTCC 1Kb EE 64B SRAM ID

MCP79410-I/ST
Microchip Technology
1: CHF 0.87
954In 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

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Datasheet

954In Stock

CHF 0.87

CHF 0.813

CHF 0.806

Min.: 1
Mult.: 1

Real Time Clock I2C GP RTCC 1Kb EE 64B SRAM EUI-48

MCP79411-I/MS
Microchip Technology
1: CHF 0.945
1’021In 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

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Datasheet

1’021In Stock

CHF 0.945

Min.: 1
Mult.: 1

Real Time Clock SPI GP RTCC 1Kb EE 64B SRAM ID

MCP79510-I/MS
Microchip Technology
1: CHF 1.04
889In Stock

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

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Datasheet

889In Stock

CHF 1.04

Min.: 1
Mult.: 1

Real Time Clock SPI GP RTCC 1Kb EE 64B SRAM EUI-48

MCP79511-I/MS
Microchip Technology
1: CHF 1.12
547In 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

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Datasheet

547In Stock

CHF 1.12

Min.: 1
Mult.: 1

Real Time Clock SPI GP RTCC 1Kb EE 64B SRAM EUI-64

MCP79512-I/MS
Microchip Technology
1: CHF 1.12
609In 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

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Datasheet

609In Stock

CHF 1.12

Min.: 1
Mult.: 1

Real Time Clock 1Kb EE 64B SRAM WD TED ID

MCP795W10-I/SL
Microchip Technology
1: CHF 1.41
210In 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

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Datasheet

210In Stock

CHF 1.41

Min.: 1
Mult.: 1

Real Time Clock 1Kb EE 64B SRAM WD TED EUI-48

MCP795W11-I/ST
Microchip Technology
1: CHF 1.53
5In Stock
192Expected 10/20/2026

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

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Datasheet

5In Stock

192Expected 10/20/2026

CHF 1.53

Min.: 1
Mult.: 1

Real Time Clock 2Kb EE 64B SRAM WD TED ID

MCP795W20-I/SL
Microchip Technology
1: CHF 1.49
346In 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

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Datasheet

346In Stock

CHF 1.49

Min.: 1
Mult.: 1

Real Time Clock 2Kb EE 64B SRAM WD TED ID

MCP795W20-I/ST
Microchip Technology
1: CHF 1.53
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

Datasheet

192In Stock

CHF 1.53

Min.: 1
Mult.: 1

Real Time Clock 2Kb EE 64B SRAM WD TED EUI-48

MCP795W21-I/SL
Microchip Technology
1: CHF 1.56
42In Stock
228Expected 10/5/2026

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

Datasheet

42In Stock

228Expected 10/5/2026

CHF 1.56

Min.: 1
Mult.: 1

Real Time Clock 2Kb EE 64B SRAM WD TED EUI-48

MCP795W21-I/ST
Microchip Technology
1: CHF 1.59
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

Datasheet

121In Stock

CHF 1.59

Min.: 1
Mult.: 1

Clock & Timer ICs

Types of Clock & Timer ICs

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