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

Real Time Clock

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

Results: 87

Applied Filters:

Packaging = Multiple Values

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

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 Y2K-Compliant, Nonvolatile Timekeeping R

DS1744P-70IND+
Analog Devices / Maxim Integrated
1: Rp1.109.199
912In Stock

Mfr. Part No.
DS1744P-70IND+

Mouser Part No
700-DS1744P-70IND

Analog Devices / Maxim Integrated

Real Time Clock Y2K-Compliant, Nonvolatile Timekeeping R

Datasheet

912In Stock

Rp1.109.199

Rp911.429

Rp844.650

Rp806.857

View

Min.: 1
Mult.: 1

Parallel

YY-MM-DD-dd

HH:MM:SS (24 hr)

32 kB

PowerCap Module-34

Backup Switching

4.5 V

5.5 V

- 40 C

+ 85 C

DS1744P

SMD/SMT

Tray

Real Time Clock Y2K-Compliant, Nonvolatile Timekeeping R

DS1744WP-120IND+
Analog Devices / Maxim Integrated
1: Rp1.063.151
628In Stock

Mfr. Part No.
DS1744WP-120IND+

Mouser Part No
700-DS1744WP-120IND

Analog Devices / Maxim Integrated

Real Time Clock Y2K-Compliant, Nonvolatile Timekeeping R

Datasheet

628In Stock

Rp1.063.151

Rp936.563

Rp872.169

Rp847.218

View

Min.: 1
Mult.: 1

Parallel

YY-MM-DD-dd

HH:MM:SS (24 hr)

32 kB

PowerCap Module-34

Backup Switching

2.97 V

3.63 V

- 40 C

+ 85 C

DS1744WP

SMD/SMT

Tray

Real Time Clock Y2K-Compliant, Nonvolatile Timekeeping R

DS1744P-70+
Analog Devices / Maxim Integrated
1: Rp921.336
80In Stock

Mfr. Part No.
DS1744P-70+

Mouser Part No
700-DS1744P-70

Analog Devices / Maxim Integrated

Real Time Clock Y2K-Compliant, Nonvolatile Timekeeping R

Datasheet

80In Stock

Rp921.336

Rp777.687

Rp730.171

Rp729.987

View

Min.: 1
Mult.: 1

Parallel

YY-MM-DD-dd

HH:MM:SS (24 hr)

32 kB

PowerCap Module-34

Backup Switching

4.5 V

5.5 V

0 C

+ 70 C

DS1744P

SMD/SMT

Tray

Real Time Clock Y2K-Compliant, Nonvolatile Timekeeping R

DS1746WP-120+
Analog Devices / Maxim Integrated
1: Rp1.055.812
75In Stock

Mfr. Part No.
DS1746WP-120+

Mouser Part No
700-DS1746WP-120

Analog Devices / Maxim Integrated

Real Time Clock Y2K-Compliant, Nonvolatile Timekeeping R

Datasheet

75In Stock

Rp1.055.812

Rp904.274

Rp845.567

Rp815.480

View

Min.: 1
Mult.: 1

Parallel

YY-MM-DD-dd

HH:MM:SS (24 hr)

128 kB

PowerCap Module-34

Backup Switching

2.97 V

3.63 V

0 C

+ 70 C

DS1746WP

SMD/SMT

Tray

Real Time Clock 1M, Nonvolatile, Y2K-Compliant Timekeepi

DS1556WP-120IND+
Analog Devices / Maxim Integrated
1: Rp1.331.920
38In Stock

Mfr. Part No.
DS1556WP-120IND+

Mouser Part No
700-DS1556WP-120IND

Analog Devices / Maxim Integrated

Real Time Clock 1M, Nonvolatile, Y2K-Compliant Timekeepi

Datasheet

38In Stock

Rp1.331.920

Rp1.100.210

Rp1.032.329

Rp987.198

View

Min.: 1
Mult.: 1

Parallel

YY-MM-DD-dd

HH:MM:SS (24 hr)

128 kB

PowerCap Module-34

Backup Switching

2.97 V

3.63 V

- 40 C

+ 85 C

DS1556WP

SMD/SMT

Tray

Real Time Clock Watchdog Clocks with NV RAM Control

DS1558Y+
Analog Devices / Maxim Integrated
1: Rp363.251
253In Stock

Mfr. Part No.
DS1558Y+

Mouser Part No
700-DS1558Y

Analog Devices / Maxim Integrated

Real Time Clock Watchdog Clocks with NV RAM Control

Datasheet

253In Stock

Rp363.251

Rp287.849

Rp269.136

Rp248.405

View

Min.: 1
Mult.: 1

Parallel

YY-MM-DD-dd

HH:MM:SS (24 hr)

TQFP-48

Backup Switching

4.5 V

5.5 V

- 40 C

+ 85 C

DS1558Y

SMD/SMT

Tray

Real Time Clock Ultra-Low power 12C Real Time clock w/ p

MAX31331TETB+
Analog Devices / Maxim Integrated
1: Rp61.826
2.789In Stock

Mfr. Part No.
MAX31331TETB+

Mouser Part No
700-MAX31331TETB+

Analog Devices / Maxim Integrated

Real Time Clock Ultra-Low power 12C Real Time clock w/ p

Learn More

Datasheet

2.789In Stock

Rp61.826

Rp46.415

Rp42.563

Rp38.343

View

Min.: 1
Mult.: 1

Tray

Real Time Clock 256k Nonvolatile, Y2K-Compliant Timekeep

DS1554P-70+
Analog Devices / Maxim Integrated
1: Rp871.985
37In Stock

Mfr. Part No.
DS1554P-70+

Mouser Part No
700-DS1554P-70

Analog Devices / Maxim Integrated

Real Time Clock 256k Nonvolatile, Y2K-Compliant Timekeep

Datasheet

37In Stock

Rp871.985

Rp712.559

Rp666.510

Rp634.955

View

Min.: 1
Mult.: 1

Parallel

YY-MM-DD-dd

HH:MM:SS (24 hr)

32 kB

PowerCap Module-34

Backup Switching

4.5 V

5.5 V

0 C

+ 70 C

DS1554P

SMD/SMT

Tray

Real Time Clock Watchdog Clocks with NV RAM Control

DS1558W+
Analog Devices / Maxim Integrated
1: Rp363.251
57In Stock

Mfr. Part No.
DS1558W+

Mouser Part No
700-DS1558W

Analog Devices / Maxim Integrated

Real Time Clock Watchdog Clocks with NV RAM Control

Datasheet

57In Stock

Rp363.251

Rp287.849

Rp269.136

Rp248.405

View

Min.: 1
Mult.: 1

Parallel

YY-MM-DD-dd

HH:MM:SS (24 hr)

TQFP-48

Backup Switching

2.97 V

3.63 V

- 40 C

+ 85 C

DS1558W

SMD/SMT

Tray

Real Time Clock

RX8010SJ
Epson Timing
1: Rp63.477
55.505In Stock

Mfr. Part No.
RX8010SJ

Mouser Part No
732-RX8010SJ

Epson Timing

Real Time Clock

Datasheet

55.505In Stock

Rp63.477

Rp47.333

Rp43.297

Rp38.710

View

Min.: 1
Mult.: 1

Serial 2-Wire, I2C

YY-MM-DD-dd

HH:MM:SS (24 hr)

16 B

No Backup Switching

1.6 V

5.5 V

- 40 C

+ 85 C

RX8010SJ

SMD/SMT

Bulk

Real Time Clock Y2K-Compliant, Nonvolatile Timekeeping R

DS1746WP-120IND+
Analog Devices / Maxim Integrated
1: Rp1.319.995
20In Stock

Mfr. Part No.
DS1746WP-120IND+

Mouser Part No
700-DS1746WP-120IND

Analog Devices / Maxim Integrated

Real Time Clock Y2K-Compliant, Nonvolatile Timekeeping R

Datasheet

20In Stock

Rp1.319.995

Rp1.090.303

Rp1.023.707

Rp978.576

View

Min.: 1
Mult.: 1

Parallel

YY-MM-DD-dd

HH:MM:SS (24 hr)

128 kB

PowerCap Module-34

Backup Switching

2.97 V

3.63 V

- 40 C

+ 85 C

DS1746WP

SMD/SMT

Tray

Real Time Clock 1M, Nonvolatile, Y2K-Compliant Timekeepi

DS1556P-70+
Analog Devices / Maxim Integrated
1: Rp1.268.993
20In Stock

Mfr. Part No.
DS1556P-70+

Mouser Part No
700-DS1556P-70

Analog Devices / Maxim Integrated

Real Time Clock 1M, Nonvolatile, Y2K-Compliant Timekeepi

Datasheet

20In Stock

Rp1.268.993

Rp1.048.290

Rp975.090

Rp941.884

View

Min.: 1
Mult.: 1

Parallel

YY-MM-DD-dd

HH:MM:SS (24 hr)

128 kB

Backup Switching

4.5 V

5.5 V

0 C

+ 70 C

DS1556P

SMD/SMT

Tray

Real Time Clock 4096k NV SRAM with Phantom Clock

DS1251YP-70IND+
Analog Devices / Maxim Integrated
1: Rp1.344.028
100In Stock

Mfr. Part No.
DS1251YP-70IND+

Mouser Part No
700-DS1251YP-70IND

Analog Devices / Maxim Integrated

Real Time Clock 4096k NV SRAM with Phantom Clock

Datasheet

100In Stock

Rp1.344.028

Rp1.240.190

Rp1.149.010

Rp1.105.163

View

Min.: 1
Mult.: 1

Parallel

YY-MM-DD-dd

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

512 kB

PowerCap Module-34

Backup Switching

4.5 V

5.5 V

- 40 C

+ 85 C

DS1251YP

SMD/SMT

Tray

Real Time Clock Y2K-Compliant, Nonvolatile Timekeeping R

DS1744WP-120+
Analog Devices / Maxim Integrated
1: Rp923.354
105In Stock

Mfr. Part No.
DS1744WP-120+

Mouser Part No
700-DS1744WP-120

Analog Devices / Maxim Integrated

Real Time Clock Y2K-Compliant, Nonvolatile Timekeeping R

Datasheet

105In Stock

Rp923.354

Rp796.400

Rp703.019

Rp702.835

Min.: 1
Mult.: 1

Parallel

YY-MM-DD-dd

HH:MM:SS (24 hr)

32 kB

PowerCap Module-34

Backup Switching

2.97 V

3.63 V

0 C

+ 70 C

DS1744WP

Through Hole

Tray

Real Time Clock Y2K-Compliant, Nonvolatile Timekeeping R

DS1746P-70+
Analog Devices / Maxim Integrated
1: Rp1.123.693
34In Stock

Mfr. Part No.
DS1746P-70+

Mouser Part No
700-DS1746P-70

Analog Devices / Maxim Integrated

Real Time Clock Y2K-Compliant, Nonvolatile Timekeeping R

Datasheet

34In Stock

Rp1.123.693

Rp927.757

Rp867.949

Rp828.505

Min.: 1
Mult.: 1

Parallel

YY-MM-DD-dd

HH:MM:SS (24 hr)

128 kB

PowerCap Module-34

Backup Switching

4.5 V

5.5 V

0 C

+ 70 C

DS1746P

SMD/SMT

Tray

Real Time Clock Integrated RC17 w/ NDK Crystal

MAX31329NELB+
Analog Devices / Maxim Integrated
1: Rp84.575
2.923In Stock

Mfr. Part No.
MAX31329NELB+

Mouser Part No
700-MAX31329NELB+

Analog Devices / Maxim Integrated

Real Time Clock Integrated RC17 w/ NDK Crystal

Learn More

Datasheet

2.923In Stock

Rp84.575

Rp64.211

Rp59.074

Rp53.387

View

Min.: 1
Mult.: 1

I2C

YY-MM-DD-dd

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

LGA-10

Backup Switching

1.6 V

5.5 V

- 40 C

+ 85 C

SMD/SMT

Tray

Real Time Clock 256k Nonvolatile, Y2K-Compliant Timekeep

DS1554P-70IND+
Analog Devices / Maxim Integrated
1: Rp1.005.361
5In Stock

Mfr. Part No.
DS1554P-70IND+

Mouser Part No
700-DS1554P-70IND

Analog Devices / Maxim Integrated

Real Time Clock 256k Nonvolatile, Y2K-Compliant Timekeep

Datasheet

5In Stock

Rp1.005.361

Rp823.735

Rp764.111

Rp728.520

View

Min.: 1
Mult.: 1

Parallel

YY-MM-DD-dd

HH:MM:SS (24 hr)

32 kB

PowerCap Module-34

Backup Switching

4.5 V

5.5 V

- 40 C

+ 85 C

DS1554P

SMD/SMT

Tray

Real Time Clock 256k Nonvolatile, Y2K-Compliant Timekeep

DS1554WP-120+
Analog Devices / Maxim Integrated
1: Rp850.154
2In Stock

Mfr. Part No.
DS1554WP-120+

Mouser Part No
700-DS1554WP-120

Analog Devices / Maxim Integrated

Real Time Clock 256k Nonvolatile, Y2K-Compliant Timekeep

Datasheet

2In Stock

Rp850.154

Rp694.763

Rp621.379

Rp599.731

View

Min.: 1
Mult.: 1

Parallel

YY-MM-DD-dd

HH:MM:SS (24 hr)

32 kB

PowerCap Module-34

Backup Switching

2.97 V

3.63 V

0 C

+ 70 C

DS1554WP

SMD/SMT

Tray

Real Time Clock 256k Nonvolatile, Y2K-Compliant Timekeep

DS1554WP-120IND+
Analog Devices / Maxim Integrated
1: Rp947.387
33In Stock

Mfr. Part No.
DS1554WP-120IND+

Mouser Part No
700-DS1554WP-120IND

Analog Devices / Maxim Integrated

Real Time Clock 256k Nonvolatile, Y2K-Compliant Timekeep

Datasheet

33In Stock

Rp947.387

Rp775.669

Rp720.081

Rp669.262

View

Min.: 1
Mult.: 1

Parallel

YY-MM-DD-dd

HH:MM:SS (24 hr)

32 kB

PowerCap Module-34

Backup Switching

2.97 V

3.63 V

- 40 C

+ 85 C

DS1554WP

SMD/SMT

Tray

Real Time Clock 5ppm, I2C Real-Time Clock with Integrated MEMS Oscillator

MAX31343ETAY+
Analog Devices / Maxim Integrated
1: Rp120.533
69In Stock
490Expected 27/08/2026

Mfr. Part No.
MAX31343ETAY+

Mouser Part No
700-MAX31343ETAY+

Analog Devices / Maxim Integrated

Real Time Clock 5ppm, I2C Real-Time Clock with Integrated MEMS Oscillator

Datasheet

69In Stock

490Expected 27/08/2026

Rp120.533

Rp92.464

Rp85.492

Rp77.787

View

Min.: 1
Mult.: 1

Serial 2-Wire, I2C

YY-MM-DD-dd

HH:MM:SS (24 hr)

64 B

TDFN-8

Backup Switching

1.6 V

5.5 V

- 40 C

+ 85 C

SMD/SMT

Tray

Real Time Clock 1024k NV SRAM with Phantom Clock

DS1248WP-120+
Analog Devices / Maxim Integrated
1: Rp1.145.157
3In Stock

Mfr. Part No.
DS1248WP-120+

Mouser Part No
700-DS1248WP-120

Analog Devices / Maxim Integrated

Real Time Clock 1024k NV SRAM with Phantom Clock

Datasheet

3In Stock

Rp1.145.157

Rp976.558

Rp976.374

Min.: 1
Mult.: 1

Parallel

YY-MM-DD-dd

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

128 kB

PowerCap Module-34

Backup Switching

2.97 V

3.63 V

0 C

+ 70 C

DS1248WP

SMD/SMT

Tray

Real Time Clock RX-8803LC:UB PURE SN I2C-BUS RTC +/-5.0PPM-40 85C VSOJ-12 PIN BULK

RX-8803LCUB PURE SN BULK
Epson Timing
1: Rp214.098
5In Stock

Mfr. Part No.
RX-8803LCUB PURE SN BULK

Mouser Part No
732-8803LCUBPRSNBULK

Epson Timing

Real Time Clock RX-8803LC:UB PURE SN I2C-BUS RTC +/-5.0PPM-40 85C VSOJ-12 PIN BULK

Learn More

Datasheet

5In Stock

Rp214.098

Rp153.923

Rp148.603

Rp142.732

View

Min.: 1
Mult.: 1

Serial 2-Wire, I2C

YY-MM-DD-dd

HH:MM:SS (24 hr)

No Backup Switching

1.6 V

5.5 V

- 40 C

+ 85 C

RX-8803LC

SMD/SMT

Bulk

Real Time Clock I2C-BUS RTC +/-5.0PPM-30 70C SOP-14 PIN BULK

RX8900SA:UCB PURE SN
Epson Timing
1: Rp109.709
99In Stock

Mfr. Part No.
RX8900SA:UCB PURE SN

Mouser Part No
732-X8900SAUCBPURESN

Epson Timing

Real Time Clock I2C-BUS RTC +/-5.0PPM-30 70C SOP-14 PIN BULK

Learn More

Datasheet

99In Stock

Rp109.709

Rp84.025

Rp77.604

Rp71.916

View

Min.: 1
Mult.: 1

RX8900SA

Bulk

Real Time Clock 4096k NV SRAM with Phantom Clock

DS1251WP-120IND+
Analog Devices / Maxim Integrated
1: Rp1.722.322
320Expected 27/08/2026

Mfr. Part No.
DS1251WP-120IND+

Mouser Part No
700-DS1251WP-120IND

Analog Devices / Maxim Integrated

Real Time Clock 4096k NV SRAM with Phantom Clock

Datasheet

320Expected 27/08/2026

Rp1.722.322

Rp1.434.290

Rp1.350.266

Rp1.275.414

Min.: 1
Mult.: 1

Parallel

YY-MM-DD-dd

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

512 kB

PowerCap Module-34

2.97 V

3.63 V

- 40 C

+ 85 C

DS1251WP

SMD/SMT

Tray

Real Time Clock 3.5ppm, I2C RTC with Integrated Crystal and Power Management

MAX31328NELB+
Analog Devices / Maxim Integrated
1: Rp112.278
2.862On Order

Mfr. Part No.
MAX31328NELB+

Mouser Part No
700-MAX31328NELB+

Analog Devices / Maxim Integrated

Real Time Clock 3.5ppm, I2C RTC with Integrated Crystal and Power Management

Learn More

Datasheet

2.862On Order

Rp112.278

Rp86.043

Rp79.622

Rp72.283

View

Min.: 1
Mult.: 1
Max.: 490

I2C

YY-MM-DD-dd

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

LGA-10

Backup Switching

2.3 V

5.5 V

- 40 C

+ 85 C

MAX31328

SMD/SMT

Tray

Real Time Clock

Customer Service Office

Company

Resources

Support

DS1244WP
DS1244YP
DS1248WP
DS1248Y
DS1251WP
DS1251YP
DS12885T
DS1554P
DS1554WP
DS1556P
DS1556WP
DS1557P
DS1557WP
DS1558W
DS1558Y
DS1744P
DS1744WP
DS1746P
DS1746WP
DS1747P