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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

MCP79400-I/ST
Microchip Technology
1: $1.30
643In Stock

Mfr. Part #
MCP79400-I/ST

Mouser Part #
579-MCP79400IST

Microchip Technology

Real Time Clock I2C GP RTCC 64B SRAM ID

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Datasheet

643In Stock

$1.30

$1.20

$1.13

Min.: 1
Mult.: 1

Real Time Clock I2C GP RTCC 64B SRAM ID

MCP79400T-I/SN
Microchip Technology
1: $1.27
957In Stock
6,600Expected 10/13/2026

Mfr. Part #
MCP79400T-I/SN

Mouser Part #
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

$1.27

$1.26

$1.25

Reel

$1.08

Min.: 1
Mult.: 1

: 3,300

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

MCP79401-I/MS
Microchip Technology
1: $1.40
1,252In Stock

Mfr. Part #
MCP79401-I/MS

Mouser Part #
579-MCP79401IMS

Microchip Technology

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

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Datasheet

1,252In Stock

$1.40

$1.31

$1.30

$1.25

Min.: 1
Mult.: 1

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

MCP79401-I/ST
Microchip Technology
1: $1.40
307In Stock

Mfr. Part #
MCP79401-I/ST

Mouser Part #
579-MCP79401IST

Microchip Technology

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

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Datasheet

307In Stock

$1.40

$1.31

$1.25

Min.: 1
Mult.: 1

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

MCP79402-I/MS
Microchip Technology
1: $1.40
752In Stock

Mfr. Part #
MCP79402-I/MS

Mouser Part #
579-MCP79402IMS

Microchip Technology

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

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Datasheet

752In Stock

$1.40

$1.31

$1.25

Min.: 1
Mult.: 1

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

MCP79402-I/SN
Microchip Technology
1: $1.35
1,031In Stock

Mfr. Part #
MCP79402-I/SN

Mouser Part #
579-MCP79402ISN

Microchip Technology

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

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Datasheet

1,031In Stock

$1.35

Min.: 1
Mult.: 1

Real Time Clock I2C RTCC 64B SRAM No VBAT

MCP7940M-I/P
Microchip Technology
1: $0.962
680In Stock

Mfr. Part #
MCP7940M-I/P

Mouser Part #
579-MCP7940579-M-I/P

Microchip Technology

Real Time Clock I2C RTCC 64B SRAM No VBAT

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Datasheet

680In Stock

$0.962

$0.884

$0.862

Min.: 1
Mult.: 1

Real Time Clock I2C RTCC 64B SRAM No VBAT

MCP7940M-I/MS
Microchip Technology
1: $0.923
776In Stock

Mfr. Part #
MCP7940M-I/MS

Mouser Part #
579-MCP7940M-I/MS

Microchip Technology

Real Time Clock I2C RTCC 64B SRAM No VBAT

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Datasheet

776In Stock

$0.923

$0.858

$0.806

Min.: 1
Mult.: 1

Real Time Clock I2C RTCC 64B SRAM No VBAT

MCP7940M-I/SN
Microchip Technology
1: $0.871
620In Stock

Mfr. Part #
MCP7940M-I/SN

Mouser Part #
579-MCP7940M-I/SN

Microchip Technology

Real Time Clock I2C RTCC 64B SRAM No VBAT

Learn More

Datasheet

620In Stock

$0.871

$0.806

$0.767

Min.: 1
Mult.: 1

Real Time Clock I2C RTCC 64B SRAM No VBAT

MCP7940MT-I/ST
Microchip Technology
1: $0.949
215In Stock

Mfr. Part #
MCP7940MT-I/ST

Mouser Part #
579-MCP7940MT-I/ST

Microchip Technology

Real Time Clock I2C RTCC 64B SRAM No VBAT

Learn More

Datasheet

215In Stock

Cut Tape

$0.949

$0.946

$0.806

Reel

$0.806

MouseReel Available

Min.: 1
Mult.: 1

: 2,500

Real Time Clock I2C GP RTCC 64B SRAM, EXT

MCP7940N-E/MS
Microchip Technology
1: $1.26
1,398In Stock

Mfr. Part #
MCP7940N-E/MS

Mouser Part #
579-MCP7940N-E/MS

Microchip Technology

Real Time Clock I2C GP RTCC 64B SRAM, EXT

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Datasheet

1,398In Stock

$1.26

$1.17

$1.11

Min.: 1
Mult.: 1

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

MCP7940N-E/SN
Microchip Technology
1: $1.20
909In Stock

Mfr. Part #
MCP7940N-E/SN

Mouser Part #
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

$1.20

$1.11

$1.06

Min.: 1
Mult.: 1

Real Time Clock I2C GP RTCC,64B SRAM

MCP7940N-I/P
Microchip Technology
1: $1.20
585In Stock

Mfr. Part #
MCP7940N-I/P

Mouser Part #
579-MCP7940N-I/P

Microchip Technology

Real Time Clock I2C GP RTCC,64B SRAM

Learn More

Datasheet

585In Stock

$1.20

Min.: 1
Mult.: 1

Real Time Clock I2C GP RTCC 64B SRAM

MCP7940N-I/ST
Microchip Technology
1: $1.17
201In Stock
500Expected 10/26/2026

Mfr. Part #
MCP7940N-I/ST

Mouser Part #
579-MCP7940N-I/ST

Microchip Technology

Real Time Clock I2C GP RTCC 64B SRAM

Learn More

Datasheet

201In Stock

500Expected 10/26/2026

$1.17

$1.08

$1.04

Min.: 1
Mult.: 1

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

MCP79410-I/ST
Microchip Technology
1: $1.40
954In 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

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Datasheet

954In Stock

$1.40

$1.31

$1.25

Min.: 1
Mult.: 1

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

MCP79411-I/MS
Microchip Technology
1: $1.53
1,021In 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

Datasheet

1,021In Stock

$1.53

$1.40

$1.34

Min.: 1
Mult.: 1

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

MCP79510-I/MS
Microchip Technology
1: $1.68
889In Stock

Mfr. Part #
MCP79510-I/MS

Mouser Part #
579-MCP79510-I/MS

Microchip Technology

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

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Datasheet

889In Stock

$1.68

$1.56

$1.47

Min.: 1
Mult.: 1

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

MCP79511-I/MS
Microchip Technology
1: $1.81
547In Stock

Mfr. Part #
MCP79511-I/MS

Mouser Part #
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

$1.81

$1.66

$1.59

Min.: 1
Mult.: 1

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

MCP79512-I/MS
Microchip Technology
1: $1.81
609In Stock

Mfr. Part #
MCP79512-I/MS

Mouser Part #
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

$1.81

$1.66

$1.59

Min.: 1
Mult.: 1

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

MCP795W10-I/SL
Microchip Technology
1: $2.28
210In Stock

Mfr. Part #
MCP795W10-I/SL

Mouser Part #
579-MCP795W10-I/SL

Microchip Technology

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

Learn More

Datasheet

210In Stock

$2.28

$2.12

$2.00

Min.: 1
Mult.: 1

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

MCP795W11-I/ST
Microchip Technology
1: $2.46
5In Stock
192Expected 10/20/2026

Mfr. Part #
MCP795W11-I/ST

Mouser Part #
579-MCP795W11-I/ST

Microchip Technology

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

Learn More

Datasheet

5In Stock

192Expected 10/20/2026

$2.46

$2.28

$2.17

Min.: 1
Mult.: 1

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

MCP795W20-I/SL
Microchip Technology
1: $2.41
346In Stock

Mfr. Part #
MCP795W20-I/SL

Mouser Part #
579-MCP795W20-I/SL

Microchip Technology

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

Learn More

Datasheet

346In Stock

$2.41

$2.22

$2.11

Min.: 1
Mult.: 1

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

MCP795W20-I/ST
Microchip Technology
1: $2.46
192In Stock

Mfr. Part #
MCP795W20-I/ST

Mouser Part #
579-MCP795W20-I/ST

Microchip Technology

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

Learn More

Datasheet

192In Stock

$2.46

$2.28

$2.17

Min.: 1
Mult.: 1

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

MCP795W21-I/SL
Microchip Technology
1: $2.52
42In Stock
228Expected 10/5/2026

Mfr. Part #
MCP795W21-I/SL

Mouser Part #
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

$2.52

$2.34

$2.24

Min.: 1
Mult.: 1

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

MCP795W21-I/ST
Microchip Technology
1: $2.57
121In Stock

Mfr. Part #
MCP795W21-I/ST

Mouser Part #
579-MCP795W21-I/ST

Microchip Technology

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

Learn More

Datasheet

121In Stock

$2.57

$2.39

$2.26

Min.: 1
Mult.: 1

Clock & Timer ICs

Types of Clock & Timer ICs

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