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Part #

Real Time Clock 16K (2Kx8) 70ns

M48T12-70PC1
STMicroelectronics
1: S/160.60
864In Stock

Mfr. Part #
M48T12-70PC1

Mouser Part #
511-M48T1270PC1

STMicroelectronics

Real Time Clock 16K (2Kx8) 70ns

Datasheet

864In Stock

S/160.60

S/118.14

S/113.39

S/108.95

View

Min.: 1
Mult.: 1

Parallel

YY-MM-DD-dd

HH:MM:SS (24 hr)

PCDIP-24

Integrated Battery

4.5 V

5.5 V

0 C

+ 70 C

M48T12

Through Hole

Tube

Real Time Clock 64K (8Kx8) 150ns

M48T18-150PC1
STMicroelectronics
1: S/196.45
412In Stock

Mfr. Part #
M48T18-150PC1

Mouser Part #
511-M48T1815PC1

STMicroelectronics

Real Time Clock 64K (8Kx8) 150ns

Datasheet

412In Stock

S/196.45

S/148.38

S/141.88

S/137.83

View

Min.: 1
Mult.: 1

Parallel

YY-MM-DD-dd

HH:MM:SS (24 hr)

PCDIP-28

Integrated Battery

4.5 V

5.5 V

0 C

+ 70 C

M48T18

Through Hole

Tube

Real Time Clock 64K (8Kx8) 100ns

M48T08-100PC1
STMicroelectronics
1: S/141.53
1,494In Stock

Mfr. Part #
M48T08-100PC1

Mouser Part #
511-M48T0810PC1

STMicroelectronics

Real Time Clock 64K (8Kx8) 100ns

Datasheet

1,494In Stock

S/141.53

S/106.19

S/101.28

S/97.70

View

Min.: 1
Mult.: 1

Parallel

YY-MM-DD-dd

HH:MM:SS (24 hr)

PCDIP-28

Integrated Battery

4.75 V

5.5 V

0 C

+ 70 C

M48T08

Through Hole

Tube

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

MCP79412-I/ST
Microchip Technology
1: S/4.59
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

Datasheet

4,615In Stock

S/4.59

S/4.20

S/4.01

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

MCP79412-I/MS
Microchip Technology
1: S/4.59
3,729In 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

Datasheet

3,729In Stock

S/4.59

S/4.48

S/4.20

S/4.01

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 2Kb EE 64B SRAM WD TED EUI-64

MCP795W22-I/ST
Microchip Technology
1: S/7.71
5,150In Stock

Mfr. Part #
MCP795W22-I/ST

Mouser Part #
579-MCP795W22-I/ST

Microchip Technology

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

Learn More

Datasheet

5,150In Stock

S/7.71

S/7.16

S/6.77

S/6.73

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 I2C GP RTCC 64B SRAM ID

MCP79400-I/MS
Microchip Technology
1: S/3.89
5,450In Stock

Mfr. Part #
MCP79400-I/MS

Mouser Part #
579-MCP79400IMS

Microchip Technology

Real Time Clock I2C GP RTCC 64B SRAM ID

Learn More

Datasheet

5,450In Stock

S/3.89

S/3.62

S/3.58

S/3.39

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

+ 85 C

SMD/SMT

Tube

Real Time Clock REAL TIME CLK & TEMP COMPENSATED CRYSTAL

ISL12022MIBZ
Renesas / Intersil
1: S/29.08
358In Stock

Mfr. Part #
ISL12022MIBZ

Mouser Part #
968-ISL12022MIBZ

Renesas / Intersil

Real Time Clock REAL TIME CLK & TEMP COMPENSATED CRYSTAL

Datasheet

358In Stock

S/29.08

S/22.42

S/19.07

S/17.79

View

Min.: 1
Mult.: 1

Serial 2-Wire, I2C

YY-MM-DD-dd

HH:MM:SS (24 hr)

SOIC-20

Backup Switching

2.7 V

5.5 V

- 40 C

+ 85 C

ISL12022

SMD/SMT

Tube

Real Time Clock REAL TIME CLK ENHANC CD ESD & MOISTURESIS

ISL12022MAIBZ
Renesas / Intersil
1: S/29.27
760In Stock

Mfr. Part #
ISL12022MAIBZ

Mouser Part #
968-ISL12022MAIBZ

Renesas / Intersil

Real Time Clock REAL TIME CLK ENHANC CD ESD & MOISTURESIS

Datasheet

760In Stock

S/29.27

S/22.58

S/16.97

S/16.31

View

Min.: 1
Mult.: 1

Serial 2-Wire, I2C

YY-MM-DD-dd

HH:MM:SS (24 hr)

SOIC-20

Backup Switching

2.7 V

5.5 V

- 40 C

+ 85 C

ISL12022

SMD/SMT

Tube

Real Time Clock REAL TIME CLK W/ ALARM DS1337 COMP

ISL12057IBZ
Renesas / Intersil
1: S/10.98
1,957In Stock

Mfr. Part #
ISL12057IBZ

Mouser Part #
968-ISL12057IBZ

Renesas / Intersil

Real Time Clock REAL TIME CLK W/ ALARM DS1337 COMP

Datasheet

1,957In Stock

S/10.98

S/8.17

S/7.51

S/6.73

View

Min.: 1
Mult.: 1

I2C

YY-MM-DD-dd

HH:MM:SS (24 hr)

SOIC-8

No Backup Switching

1.8 V

3.6 V

- 40 C

+ 85 C

ISL12057

SMD/SMT

Tube

Real Time Clock LW PWR RTC W/RESEAL 8LD

ISL12008IB8Z
Renesas / Intersil
1: S/12.57
4,620In Stock

Mfr. Part #
ISL12008IB8Z

Mouser Part #
968-ISL12008IB8Z

Renesas / Intersil

Real Time Clock LW PWR RTC W/RESEAL 8LD

Datasheet

4,620In Stock

S/12.57

S/9.38

S/7.71

S/7.16

View

Min.: 1
Mult.: 1

Serial 2-Wire, I2C

YY-MM-DD-dd

HH:MM:SS:hh (12 hr, 24 hr)

SOIC-8

Backup Switching

2.7 V

5.5 V

- 40 C

+ 85 C

ISL12008

SMD/SMT

Tube

Real Time Clock Serial RTC A 595-BQ3 2000DR A 595-BQ3200 A 595-BQ32000DR

BQ32000D
Texas Instruments
1: S/9.34
725In Stock

Mfr. Part #
BQ32000D

Mouser Part #
595-BQ32000D

Texas Instruments

Real Time Clock Serial RTC A 595-BQ3 2000DR A 595-BQ3200 A 595-BQ32000DR

Datasheet

725In Stock

S/9.34

S/7.59

S/6.15

S/5.76

View

Min.: 1
Mult.: 1

Serial

YY-MM-DD-dd

HH:MM:SS:hh (12 hr, 24 hr)

SOIC-8

Backup Switching

3 V

3.6 V

- 40 C

+ 85 C

BQ32000

SMD/SMT

Tube

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

MCP795W12-I/SL
Microchip Technology
1: S/7.20
717In Stock

Mfr. Part #
MCP795W12-I/SL

Mouser Part #
579-MCP795W12-I/SL

Microchip Technology

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

Learn More

Datasheet

717In Stock

S/7.20

S/6.31

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 RTCC 64B SRAM No VBAT

MCP7940M-I/ST
Microchip Technology
1: S/2.76
1,302In Stock

Mfr. Part #
MCP7940M-I/ST

Mouser Part #
579-MCP7940M-I/ST

Microchip Technology

Real Time Clock I2C RTCC 64B SRAM No VBAT

Learn More

Datasheet

1,302In Stock

S/2.76

S/2.67

S/2.57

S/2.41

Min.: 1
Mult.: 1

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

Tube

Real Time Clock REAL TIME CLK W/ ALARM & TIMR FUNCTNS

ISL12058IRTZ
Renesas / Intersil
1: S/10.98
953In Stock

Mfr. Part #
ISL12058IRTZ

Mouser Part #
968-ISL12058IRTZ

Renesas / Intersil

Real Time Clock REAL TIME CLK W/ ALARM & TIMR FUNCTNS

Datasheet

953In Stock

S/10.98

S/8.17

S/7.51

S/6.70

View

Min.: 1
Mult.: 1

I2C

YY-MM-DD-dd

HH:MM:SS (24 hr)

TDFN-8

No Backup Switching

1.8 V

3.6 V

- 40 C

+ 85 C

ISL12058

SMD/SMT

Tube

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

MCP79411-I/ST
Microchip Technology
1: S/4.59
608In 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

Datasheet

608In Stock

S/4.59

S/4.20

S/4.01

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 w/242x8 NVSRAM Alarm Wake-up

BQ3285ES
Texas Instruments
1: S/52.20
87In Stock
End of Life

Mfr. Part #
BQ3285ES

Mouser Part #
595-BQ3285ES

End of Life

Texas Instruments

Real Time Clock w/242x8 NVSRAM Alarm Wake-up

Datasheet

87In Stock

S/52.20

S/49.01

S/41.61

Min.: 1
Mult.: 1

Multiplexed

YY-MM-DD-dd

HH:MM:SS (24 hr)

SOIC-24

4.5 V

5.5 V

0 C

+ 70 C

BQ3285E

SMD/SMT

Tube

Real Time Clock I2C GP RTCC 64B SRAM ID

MCP79400-I/SN
Microchip Technology
1: S/3.70
1,845In Stock

Mfr. Part #
MCP79400-I/SN

Mouser Part #
579-MCP79400ISN

Microchip Technology

Real Time Clock I2C GP RTCC 64B SRAM ID

Learn More

Datasheet

1,845In Stock

S/3.70

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

MCP79400

SMD/SMT

Tube

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

MCP79401-I/SN
Microchip Technology
1: S/4.05
13,563In Stock

Mfr. Part #
MCP79401-I/SN

Mouser Part #
579-MCP79401ISN

Microchip Technology

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

Learn More

Datasheet

13,563In Stock

S/4.05

S/3.74

S/3.54

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

+ 85 C

SMD/SMT

Tube

Real Time Clock I2C GP RTCC 64B SRAM

MCP7940N-I/MS
Microchip Technology
1: S/3.50
2,220In Stock

Mfr. Part #
MCP7940N-I/MS

Mouser Part #
579-MCP7940N-I/MS

Microchip Technology

Real Time Clock I2C GP RTCC 64B SRAM

Learn More

Datasheet

2,220In Stock

S/3.50

S/3.23

S/3.11

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

+ 85 C

SMD/SMT

Tube

Real Time Clock I2C GP RTCC 64B SRAM

MCP7940N-I/SN
Microchip Technology
1: S/3.31
3,791In Stock
7,800Expected 9/16/2026

Mfr. Part #
MCP7940N-I/SN

Mouser Part #
579-MCP7940N-I/SN

Microchip Technology

Real Time Clock I2C GP RTCC 64B SRAM

Learn More

Datasheet

3,791In Stock

7,800Expected 9/16/2026

S/3.31

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

+ 85 C

SMD/SMT

Tube

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

MCP79410-I/MS
Microchip Technology
1: S/4.20
1,492In Stock

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

Datasheet

1,492In Stock

S/4.20

S/3.93

S/3.75

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/SN
Microchip Technology
1: S/4.05
4,551In 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

Datasheet

4,551In Stock

S/4.05

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

MCP79412-I/SN
Microchip Technology
1: S/4.40
4,107In 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

Datasheet

4,107In Stock

S/4.40

S/4.09

S/3.89

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 SPI GP RTCC 2Kb EE 64B SRAM ID

MCP79520-I/MS
Microchip Technology
1: S/5.41
10,158In Stock

Mfr. Part #
MCP79520-I/MS

Mouser Part #
579-MCP79520-I/MS

Microchip Technology

Real Time Clock SPI GP RTCC 2Kb EE 64B SRAM ID

Learn More

Datasheet

10,158In Stock

S/5.41

S/4.98

S/4.75

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

Tube Real Time Clock

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1338
1339
1337AGD
BQ32000
BQ32002
BQ3285
BQ3285E
BQ4802LY
BQ4802Y
DP8570A
DP8573A
ISL12008
ISL12020
ISL12022
ISL12057
ISL12058
ISL1208
ISL1209
ISL1219
M48T02