Real Time Clocks：

Compare Mfr Part # Quantity Available Series Package Product Status Programmable Type Features Memory Size Time Format Date Format Interface Voltage - Supply Voltage - Supply, Battery Current - Timekeeping (Max) Operating Temperature Mounting Type Package / Case Supplier Device Package

DS1244W-120IND IC RTC PHANTOM CHIP PAR 28EDIP

50

-

Tube

Obsolete

Not Verified

Phantom Time Chip

Leap Year, NVSRAM

32KB

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

YY-MM-DD-dd

Parallel

2.97V ~ 3.63V

-

7mA @ 3.3V

-40°C ~ 85°C

Through Hole

28-DIP Module (0.600", 15.24mm)

28-EDIP

DS1746P-70IND IC RTC CLK/CALENDAR PAR 34PCM

50

-

Tube

Obsolete

Not Verified

Clock/Calendar

Leap Year, NVSRAM, Y2K

128KB

HH:MM:SS (24 hr)

YY-MM-DD-dd

Parallel

4.5V ~ 5.5V

3V

4mA @ 5V

-40°C ~ 85°C

Surface Mount

34-PowerCap™ Module

34-PowerCap Module

DS1746WP-120IND IC RTC CLK/CALENDAR PAR 34PCM

50

-

Tube

Obsolete

Not Verified

Clock/Calendar

Leap Year, NVSRAM, Y2K

128KB

HH:MM:SS (24 hr)

YY-MM-DD-dd

Parallel

2.97V ~ 3.63V

3V

2mA @ 3.3V

-40°C ~ 85°C

Surface Mount

34-PowerCap™ Module

34-PowerCap Module

DS1556P-70IND IC RTC CLK/CALENDAR PAR 34PCM

50

-

Tube

Obsolete

Not Verified

Clock/Calendar

Alarm, Leap Year, NVSRAM, Watchdog Timer, Y2K

128KB

HH:MM:SS (24 hr)

YY-MM-DD-dd

Parallel

4.5V ~ 5.5V

3V

6mA @ 5V

0°C ~ 70°C

Surface Mount

34-PowerCap™ Module

34-PowerCap Module

DS1248WP-120IND IC RTC PHANTOM CHIP PAR 34PCM

50

-

Tube

Obsolete

Not Verified

Phantom Time Chip

NVSRAM

128KB

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

YY-MM-DD-dd

Parallel

2.97V ~ 3.63V

3V

7mA @ 3.3V

-40°C ~ 85°C

Surface Mount

34-PowerCap™ Module

34-PowerCap Module

DS1746W-120 IC RTC CLK/CALENDAR PAR 32EDIP

50

-

Tube

Obsolete

Not Verified

Clock/Calendar

Leap Year, NVSRAM, Y2K

128KB

HH:MM:SS (24 hr)

YY-MM-DD-dd

Parallel

2.97V ~ 3.63V

-

2mA @ 3.3V

0°C ~ 70°C

Through Hole

32-DIP Module (0.600", 15.24mm)

32-EDIP

DS1746-70 IC RTC CLK/CALENDAR PAR 32EDIP

50

-

Tube,Tube

Obsolete

Not Verified

Clock/Calendar

Leap Year, NVSRAM, Y2K

128KB

HH:MM:SS (24 hr)

YY-MM-DD-dd

Parallel

4.5V ~ 5.5V

-

4mA @ 5V

0°C ~ 70°C

Through Hole

32-DIP Module (0.600", 15.24mm)

32-EDIP

DS1556-70 IC RTC CLK/CALENDAR PAR 32EDIP

50

-

Tube

Obsolete

Not Verified

Clock/Calendar

Alarm, Leap Year, NVSRAM, Watchdog Timer, Y2K

128KB

HH:MM:SS (24 hr)

YY-MM-DD-dd

Parallel

4.5V ~ 5.5V

-

6mA @ 5V

0°C ~ 70°C

Through Hole

32-DIP Module (0.600", 15.24mm)

32-EDIP

DS1556W-120 IC RTC CLK/CALENDAR PAR 32EDIP

50

-

Tube,Tube

Obsolete

Not Verified

Clock/Calendar

Alarm, Leap Year, NVSRAM, Watchdog Timer, Y2K

128KB

HH:MM:SS (24 hr)

YY-MM-DD-dd

Parallel

2.97V ~ 3.63V

-

4mA @ 3.3V

0°C ~ 70°C

Through Hole

32-DIP Module (0.600", 15.24mm)

32-EDIP

DS1248W-120 IC RTC PHANTOM CHIP PAR 32EDIP

50

-

Tube

Obsolete

Not Verified

Phantom Time Chip

NVSRAM

128KB

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

YY-MM-DD-dd

Parallel

2.97V ~ 3.63V

-

7mA @ 3.3V

0°C ~ 70°C

Through Hole

32-DIP Module (0.600", 15.24mm)

32-EDIP

DS1248Y-100IND IC RTC PHANTOM CHIP PAR 32EDIP

50

-

Tube

Obsolete

Not Verified

Phantom Time Chip

NVSRAM

128KB

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

YY-MM-DD-dd

Parallel

4.5V ~ 5.5V

-

7mA @ 3.3V

-40°C ~ 85°C

Through Hole

32-DIP Module (0.600", 15.24mm)

32-EDIP

DS1746W-120IND IC RTC CLK/CALENDAR PAR 32EDIP

50

-

Tube

Obsolete

Not Verified

Clock/Calendar

Leap Year, NVSRAM, Y2K

128KB

HH:MM:SS (24 hr)

YY-MM-DD-dd

Parallel

2.97V ~ 3.63V

-

2mA @ 3.3V

-40°C ~ 85°C

Through Hole

32-DIP Module (0.600", 15.24mm)

32-EDIP

DS1746-70IND IC RTC CLK/CALENDAR PAR 32EDIP

50

-

Tube

Obsolete

Not Verified

Clock/Calendar

Leap Year, NVSRAM, Y2K

128KB

HH:MM:SS (24 hr)

YY-MM-DD-dd

Parallel

4.5V ~ 5.5V

-

4mA @ 5V

-40°C ~ 85°C

Through Hole

32-DIP Module (0.600", 15.24mm)

32-EDIP

DS1248W-120IND IC RTC PHANTOM CHIP PAR 32EDIP

50

-

Tube

Obsolete

Not Verified

Phantom Time Chip

NVSRAM

128KB

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

YY-MM-DD-dd

Parallel

2.97V ~ 3.63V

-

7mA @ 3.3V

-40°C ~ 85°C

Through Hole

32-DIP Module (0.600", 15.24mm)

32-EDIP

DS1556W-120IND IC RTC CLK/CALENDAR PAR 32EDIP

50

-

Tube

Obsolete

Not Verified

Clock/Calendar

Alarm, Leap Year, NVSRAM, Watchdog Timer, Y2K

128KB

HH:MM:SS (24 hr)

YY-MM-DD-dd

Parallel

2.97V ~ 3.63V

-

4mA @ 3.3V

-40°C ~ 85°C

Through Hole

32-DIP Module (0.600", 15.24mm)

32-EDIP

  • DS1244W-120IND

    IC RTC PHANTOM CHIP PAR 28EDIP

    Details

  • DS1746P-70IND

    IC RTC CLK/CALENDAR PAR 34PCM

    Details

  • DS1746WP-120IND

    IC RTC CLK/CALENDAR PAR 34PCM

    Details

  • DS1556P-70IND

    IC RTC CLK/CALENDAR PAR 34PCM

    Details

  • DS1248WP-120IND

    IC RTC PHANTOM CHIP PAR 34PCM

    Details

  • DS1746W-120

    IC RTC CLK/CALENDAR PAR 32EDIP

    Details

  • DS1746-70

    IC RTC CLK/CALENDAR PAR 32EDIP

    Details

  • DS1556-70

    IC RTC CLK/CALENDAR PAR 32EDIP

    Details

  • DS1556W-120

    IC RTC CLK/CALENDAR PAR 32EDIP

    Details

  • DS1248W-120

    IC RTC PHANTOM CHIP PAR 32EDIP

    Details

  • DS1248Y-100IND

    IC RTC PHANTOM CHIP PAR 32EDIP

    Details

  • DS1746W-120IND

    IC RTC CLK/CALENDAR PAR 32EDIP

    Details

  • DS1746-70IND

    IC RTC CLK/CALENDAR PAR 32EDIP

    Details

  • DS1248W-120IND

    IC RTC PHANTOM CHIP PAR 32EDIP

    Details

  • DS1556W-120IND

    IC RTC CLK/CALENDAR PAR 32EDIP

    Details

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