.hide-partial { max-height: none; } .show-more { display: none; }

Tube Real Time Clock

.catnav-wrapper { height: auto; overflow: visible; } .catalog-nav-tabs ul { white-space: normal; }

Results: 279

Applied Filters:

Packaging = Tube

Manufacturer

RTC Bus Interface

Date Format

Time Format

RTC Memory Size

Package/Case

Battery Backup Switching

Supply Voltage - Min

Supply Voltage - Max

Minimum Operating Temperature

Maximum Operating Temperature

Series

Mounting Style

Qualification

Reset All

Search within results

In Stock

Normally Stocked

Active

New Products

RoHS Compliant

.search-refine-wrapper { display: inline-block; min-width: 100%; } .scroll-body { overflow-x: visible; } .search-table-wrapper { overflow: visible; } .hide-partial { max-height: none; } .show-more { display: none; }

Part #

Real Time Clock I C, 32-Bit Binary Counter Watchdog RTC with Trickle Charger and Reset Input/Output

DS1374C-33#
Analog Devices / Maxim Integrated
1: $16.35
710In Stock

Mfr. Part No.
DS1374C-33#

Mouser Part No
700-DS1374C-33#

Analog Devices / Maxim Integrated

Real Time Clock I C, 32-Bit Binary Counter Watchdog RTC with Trickle Charger and Reset Input/Output

Datasheet

710In Stock

$16.35

$12.81

$11.59

$10.88

View

Min.: 1
Mult.: 1

I2C

Binary

3 B

SO-16

Backup Switching

2.97 V

5.5 V

- 40 C

+ 85 C

DS1374C

SMD/SMT

Tube

Real Time Clock I C RTC/Supervisor with Trickle Charger

DS1388Z-5+
Analog Devices / Maxim Integrated
1: $12.19
365In Stock

Mfr. Part No.
DS1388Z-5+

Mouser Part No
700-DS1388Z-5

Analog Devices / Maxim Integrated

Real Time Clock I C RTC/Supervisor with Trickle Charger

Datasheet

365In Stock

$12.19

$9.45

$8.76

$7.98

View

Min.: 1
Mult.: 1

I2C

YY-MM-DD-dd

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

512 B

SOIC-8

Backup Switching

4.5 V

5.5 V

- 40 C

+ 85 C

DS1388Z

SMD/SMT

Tube

Real Time Clock Low-Voltage SPI/3-Wire RTCs with Trickle

DS1390U-33+
Analog Devices / Maxim Integrated
1: $9.63
1,075In Stock

Mfr. Part No.
DS1390U-33+

Mouser Part No
700-DS1390U-33

Analog Devices / Maxim Integrated

Real Time Clock Low-Voltage SPI/3-Wire RTCs with Trickle

Datasheet

1,075In Stock

$9.63

$7.29

$6.64

$6.22

Min.: 1
Mult.: 1
Max.: 100

Serial 3-Wire, SPI

YY-MM-DD-dd

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

uSOP-10

Backup Switching

2.97 V

5.5 V

- 40 C

+ 85 C

DS1390U

SMD/SMT

Tube

Real Time Clock Low-Voltage SPI/3-Wire RTCs with Trickle

DS1391U-33+
Analog Devices / Maxim Integrated
1: $9.53
729In Stock

Mfr. Part No.
DS1391U-33+

Mouser Part No
700-DS1391U-33

Analog Devices / Maxim Integrated

Real Time Clock Low-Voltage SPI/3-Wire RTCs with Trickle

Datasheet

729In Stock

$9.53

$7.32

$6.58

$6.15

View

Min.: 1
Mult.: 1

SPI

YY-MM-DD-dd

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

uSOP-10

Backup Switching

2.97 V

5.5 V

- 40 C

+ 85 C

DS1391U

SMD/SMT

Tube

Real Time Clock Y2K-Compliant Watchdog Real-Time Clocks

DS1501YN+
Analog Devices / Maxim Integrated
1: $28.40
162In Stock

Mfr. Part No.
DS1501YN+

Mouser Part No
700-DS1501YN

Analog Devices / Maxim Integrated

Real Time Clock Y2K-Compliant Watchdog Real-Time Clocks

Datasheet

162In Stock

$28.40

$22.09

$21.03

$19.94

View

Min.: 1
Mult.: 1

Parallel

YY-MM-DD-dd

HH:MM:SS (24 hr)

256 B

PDIP-28

Backup Switching

4.5 V

5.5 V

- 40 C

+ 85 C

DS1501YN

Through Hole

Tube

Real Time Clock Y2K-Compliant Watchdog Real-Time Clocks

DS1501YZN+
Analog Devices / Maxim Integrated
1: $31.54
365In Stock

Mfr. Part No.
DS1501YZN+

Mouser Part No
700-DS1501YZN

Analog Devices / Maxim Integrated

Real Time Clock Y2K-Compliant Watchdog Real-Time Clocks

Datasheet

365In Stock

$31.54

$25.23

$23.64

$22.58

View

Min.: 1
Mult.: 1

Parallel

YY-MM-DD-dd

HH:MM:SS (24 hr)

256 B

SO-28

Backup Switching

4.5 V

5.5 V

- 40 C

+ 85 C

DS1501YZN+

SMD/SMT

Tube

Real Time Clock I C 32-Bit Binary Counter RTC

DS1672S-33+
Analog Devices / Maxim Integrated
1: $8.36
486In Stock

Mfr. Part No.
DS1672S-33+

Mouser Part No
700-DS1672S-33

Analog Devices / Maxim Integrated

Real Time Clock I C 32-Bit Binary Counter RTC

Datasheet

486In Stock

$8.36

$6.39

$5.90

$5.34

View

Min.: 1
Mult.: 1

Serial 2-Wire, I2C

Binary

SOIC-8

Backup Switching

2.97 V

3.63 V

- 40 C

+ 85 C

DS1672S

SMD/SMT

Tube

Real Time Clock Real-Time Event Recorder

DS1678S+
Analog Devices / Maxim Integrated
1: $16.35
936In Stock

Mfr. Part No.
DS1678S+

Mouser Part No
700-DS1678S

Analog Devices / Maxim Integrated

Real Time Clock Real-Time Event Recorder

Datasheet

936In Stock

$16.35

$12.74

$11.74

$11.00

View

Min.: 1
Mult.: 1

I2C

YY-MM-DD-dd

HH:MM:SS (24 hr)

32 B

SOIC-8

Backup Switching

4.5 V

5.5 V

- 40 C

+ 85 C

DS1678S

SMD/SMT

Tube

Real Time Clock 3V/5V Real-Time Clock

DS1685E-5+
Analog Devices / Maxim Integrated
1: $16.76
467In Stock

Mfr. Part No.
DS1685E-5+

Mouser Part No
700-DS1685E-5

Analog Devices / Maxim Integrated

Real Time Clock 3V/5V Real-Time Clock

Datasheet

467In Stock

$16.76

$13.50

$12.13

$11.17

View

Min.: 1
Mult.: 1

Multiplexed

YY-MM-DD-dd

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

242 B

TSSOP-24

Backup Switching

4.5 V

5.5 V

0 C

+ 70 C

DS1685E

SMD/SMT

Tube

Real Time Clock Y2K-Compliant, Nonvolatile Timekeeping R

DS1744-70+
Analog Devices / Maxim Integrated
1: $80.01
99In Stock
240Expected 12/8/2026

Mfr. Part No.
DS1744-70+

Mouser Part No
700-DS1744-70

Analog Devices / Maxim Integrated

Real Time Clock Y2K-Compliant, Nonvolatile Timekeeping R

Datasheet

99In Stock

240Expected 12/8/2026

$80.01

$66.87

$62.85

Min.: 1
Mult.: 1
Max.: 30

Parallel

YY-MM-DD-dd

HH:MM:SS (24 hr)

32 kB

EDIP-28

Integrated Battery

4.5 V

5.5 V

0 C

+ 70 C

DS1744

Through Hole

Tube

Real Time Clock Y2K-Compliant, Nonvolatile Timekeeping R

DS1746-70+
Analog Devices / Maxim Integrated
1: $87.76
274In Stock
220Expected 10/8/2026

Mfr. Part No.
DS1746-70+

Mouser Part No
700-DS1746-70

Analog Devices / Maxim Integrated

Real Time Clock Y2K-Compliant, Nonvolatile Timekeeping R

Datasheet

274In Stock

220Expected 10/8/2026

$87.76

$72.24

$68.16

$65.81

Min.: 1
Mult.: 1

Parallel

YY-MM-DD-dd

HH:MM:SS (24 hr)

128 kB

EDIP-32

Integrated Battery

4.5 V

5.5 V

0 C

+ 70 C

DS1746

Through Hole

Tube

Real Time Clock Y2K-Compliant, Nonvolatile Timekeeping R

DS1746W-120+
Analog Devices / Maxim Integrated
1: $86.17
21Expected 6/11/2026

Mfr. Part No.
DS1746W-120+

Mouser Part No
700-DS1746W-120

Analog Devices / Maxim Integrated

Real Time Clock Y2K-Compliant, Nonvolatile Timekeeping R

Datasheet

21Expected 6/11/2026

$86.17

$70.96

$66.98

$63.74

View

Min.: 1
Mult.: 1

Parallel

YY-MM-DD-dd

HH:MM:SS (24 hr)

128 kB

EDIP-32

Integrated Battery

2.97 V

3.63 V

0 C

+ 70 C

DS1746W

Through Hole

Tube

Real Time Clock 5ppm, I2C Real-Time Clock

DS3231M+
Analog Devices / Maxim Integrated
1: $19.75
483In Stock
736Expected 19/8/2026

Mfr. Part No.
DS3231M+

Mouser Part No
700-DS3231M+

Analog Devices / Maxim Integrated

Real Time Clock 5ppm, I2C Real-Time Clock

Learn More

Datasheet

483In Stock

736Expected 19/8/2026

$19.75

$15.52

$14.21

Min.: 1
Mult.: 1
Max.: 50

I2C

YY-MM-DD-dd

HH:MM:SS (24 hr)

SO-16

Backup Switching

2.3 V

5.5 V

- 40 C

+ 85 C

DS3231M

SMD/SMT

Tube

Real Time Clock Extremely Accurate I C-Integrated RTC/TC

DS3231S#
Analog Devices / Maxim Integrated
1: $21.20
708In Stock
460Expected 24/11/2026

Mfr. Part No.
DS3231S#

Mouser Part No
700-DS3231S#

Analog Devices / Maxim Integrated

Real Time Clock Extremely Accurate I C-Integrated RTC/TC

Datasheet

708In Stock

460Expected 24/11/2026

$21.20

$16.67

$15.19

$14.18

Min.: 1
Mult.: 1
Max.: 100

I2C

YY-MM-DD-dd

HH:MM:SS (24 hr)

SO-16

Backup Switching

2.3 V

5.5 V

0 C

+ 70 C

DS3231S

SMD/SMT

Tube

Real Time Clock 5ppm, I C Real-Time Clock with SRAM

DS3232MZ/V+
Analog Devices / Maxim Integrated
1: $16.81
196In Stock

Mfr. Part No.
DS3232MZ/V+

Mouser Part No
700-DS3232MZ/V+

Analog Devices / Maxim Integrated

Real Time Clock 5ppm, I C Real-Time Clock with SRAM

Datasheet

196In Stock

$16.81

$13.18

$12.27

$11.26

View

Min.: 1
Mult.: 1

I2C

YY-MM-DD-dd

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

236 B

SOIC-8

Backup Switching

2.3 V

4.5 V

- 40 C

+ 85 C

DS3232MZ

SMD/SMT

AEC-Q100

Tube

Real Time Clock Extremely Accurate I C RTC with Integrat

DS3232SN#
Analog Devices / Maxim Integrated
1: $22.18
483In Stock
792Expected 20/8/2026

Mfr. Part No.
DS3232SN#

Mouser Part No
700-DS3232SN#

Analog Devices / Maxim Integrated

Real Time Clock Extremely Accurate I C RTC with Integrat

Datasheet

483In Stock

792Expected 20/8/2026

$22.18

$17.57

$16.03

$15.06

View

Min.: 1
Mult.: 1

I2C

YY-MM-DD-dd

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

236 B

SO-20

Backup Switching

2.3 V

5.5 V

- 40 C

+ 85 C

DS3232SN

SMD/SMT

Tube

Real Time Clock Extremely Accurate SPI Bus RTC with Inte

DS3234S#
Analog Devices / Maxim Integrated
1: $20.71
301In Stock
432Expected 20/8/2026

Mfr. Part No.
DS3234S#

Mouser Part No
700-DS3234S#

Analog Devices / Maxim Integrated

Real Time Clock Extremely Accurate SPI Bus RTC with Inte

Datasheet

301In Stock

432Expected 20/8/2026

$20.71

$16.32

$14.92

$13.94

View

Min.: 1
Mult.: 1

SPI

YY-MM-DD-dd

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

256 B

SO-20

Backup Switching

2 V

5.5 V

0 C

+ 70 C

DS3234S

SMD/SMT

Tube

Real Time Clock Real Time Clock A 92 6-DP8573AVX/NOPB A A 926-DP8573AVX/NOPB

DP8573AV/NOPB
Texas Instruments
1: $45.42
77In Stock

Mfr. Part No.
DP8573AV/NOPB

Mouser Part No
926-DP8573AV/NOPB

Texas Instruments

Real Time Clock Real Time Clock A 92 6-DP8573AVX/NOPB A A 926-DP8573AVX/NOPB

Datasheet

77In Stock

$45.42

$38.96

$36.54

$33.88

View

Min.: 1
Mult.: 1

Parallel

YY-MM-DD-dd

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

32 B

PLCC-28

Backup Switching

4.5 V

5.5 V

- 40 C

+ 85 C

DP8573A

SMD/SMT

Tube

Real Time Clock LW PWR RTC W/RESEAL 8LD

ISL12008IB8Z
Renesas / Intersil
1: $4.39
5,020In Stock

Mfr. Part No.
ISL12008IB8Z

Mouser Part No
968-ISL12008IB8Z

Renesas / Intersil

Real Time Clock LW PWR RTC W/RESEAL 8LD

Datasheet

5,020In Stock

$4.39

$3.28

$2.58

$2.43

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 I2C REAL TIME CLOCK/ CALENDAR 8LD

ISL1208IU8Z
Renesas / Intersil
1: $4.91
2,496In Stock

Mfr. Part No.
ISL1208IU8Z

Mouser Part No
968-ISL1208IU8Z

Renesas / Intersil

Real Time Clock I2C REAL TIME CLOCK/ CALENDAR 8LD

Datasheet

2,496In Stock

$4.91

$3.64

$3.11

$2.96

View

Min.: 1
Mult.: 1

I2C

YY-MM-DD-dd

HH:MM:SS (24 hr)

2 B

MSOP-8

Backup Switching

2.7 V

5.5 V

- 40 C

+ 85 C

ISL1208

SMD/SMT

Tube

Real Time Clock I2CAL TIME CLK/CLNDR W/EVENT DETCT 10LD

ISL1209IU10Z
Renesas / Intersil
1: $5.66
1,102In Stock

Mfr. Part No.
ISL1209IU10Z

Mouser Part No
968-ISL1209IU10Z

Renesas / Intersil

Real Time Clock I2CAL TIME CLK/CLNDR W/EVENT DETCT 10LD

Datasheet

1,102In Stock

$5.66

$4.27

$3.78

$3.44

View

Min.: 1
Mult.: 1

I2C

YY-MM-DD-dd

HH:MM:SS (24 hr)

2 B

MSOP-10

Backup Switching

2.7 V

5.5 V

- 40 C

+ 85 C

ISL1209

SMD/SMT

Tube

Real Time Clock I2C GP RTCC 64B SRAM ID

MCP79400-I/ST
Microchip Technology
1: $1.36
643In Stock

Mfr. Part No.
MCP79400-I/ST

Mouser Part No
579-MCP79400IST

Microchip Technology

Real Time Clock I2C GP RTCC 64B SRAM ID

Learn More

Datasheet

643In Stock

$1.36

Min.: 1
Mult.: 1

Serial 2-Wire, I2C

YY-MM-DD-dd

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

64 B

Backup Switching

1.8 V

5.5 V

- 40 C

+ 85 C

SMD/SMT

Tube

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

MCP79401-I/ST
Microchip Technology
1: $1.47
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

Learn More

Datasheet

307In Stock

$1.47

Min.: 1
Mult.: 1

Serial 2-Wire, I2C

YY-MM-DD-dd

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

64 B

Backup Switching

1.8 V

5.5 V

- 40 C

+ 85 C

SMD/SMT

Tube

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

MCP79402-I/MS
Microchip Technology
1: $1.47
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

Learn More

Datasheet

752In Stock

$1.47

$1.37

$1.31

Min.: 1
Mult.: 1

Serial 2-Wire, I2C

YY-MM-DD-dd

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

64 B

Backup Switching

1.8 V

5.5 V

- 40 C

+ 85 C

SMD/SMT

Tube

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

MCP79402-I/SN
Microchip Technology
1: $1.41
1,068In Stock

Mfr. Part No.
MCP79402-I/SN

Mouser Part No
579-MCP79402ISN

Microchip Technology

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

Learn More

Datasheet

1,068In Stock

$1.41

Min.: 1
Mult.: 1

I2C

YY-MM-DD-dd

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

64 B

SOIC-8

Backup Switching

1.8 V

5.5 V

- 40 C

+ 85 C

MCP79402

SMD/SMT

Tube

Tube Real Time Clock

Customer Service Office

Company

Resources

Support

2 B
3 B
4 B
7 B
8 B
10 B
12 B
16 B
31 B
32 B
56 B
64 B
96 B
113 B
114 B
128 B
236 B
242 B
256 B
512 B

DFN-20
DIP-16
DIP-8
EDIP-24
EDIP-28
EDIP-32
MSOP-10
MSOP-8
PCDIP-24
PCDIP-28
PDIP-16
PDIP-24
PDIP-28
PDIP-8
PLCC-28
SO-16
SO-20
SO-24
SO-28
SO-8

1338
1339
1337AGD
BQ32000
BQ32002
BQ3285
BQ3285E
BQ4802LY
BQ4802Y
DP8570A
DP8573A
DS1243Y
DS1244W
DS1244Y
DS1248Y
DS1251W
DS1251Y
DS12885
DS12885N
DS12885S