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

RTC-4543SA:A ROHS IC RTC CLK/CALENDAR SER 14SOP

50

RTC-4543SA

Bulk

Obsolete

Not Verified

Clock/Calendar

Leap Year

-

HH:MM:SS (24 hr)

YY-MM-DD-dd

3-Wire Serial

2.5V ~ 5.5V

-

1µA ~ 3µA @ 2V ~ 5V

-40°C ~ 85°C

Surface Mount

14-SOIC (0.197", 5.00mm Width)

14-SOP

RTC-4543SA:B:PURE SN IC RTC CLK/CALENDAR SER 14SOP

50

RTC-4543SA

Tube

Obsolete

Not Verified

Clock/Calendar

Leap Year

-

HH:MM:SS (24 hr)

YY-MM-DD-dd

3-Wire Serial

2.5V ~ 5.5V

-

1µA ~ 3µA @ 2V ~ 5V

-40°C ~ 85°C

Surface Mount

14-SOIC (0.197", 5.00mm Width)

14-SOP

RTC-4543SA:B ROHS IC RTC CLK/CALENDAR SER 14SOP

50

RTC-4543SA

Tube

Obsolete

Not Verified

Clock/Calendar

Leap Year

-

HH:MM:SS (24 hr)

YY-MM-DD-dd

3-Wire Serial

2.5V ~ 5.5V

-

1µA ~ 3µA @ 2V ~ 5V

-40°C ~ 85°C

Surface Mount

14-SOIC (0.197", 5.00mm Width)

14-SOP

RTC-4543SA:B0 ROHS IC RTC CLK/CALENDAR SER 14SOP

50

RTC-4543SA

Tape & Reel (TR)

Obsolete

Not Verified

Clock/Calendar

Leap Year

-

HH:MM:SS (24 hr)

YY-MM-DD-dd

3-Wire Serial

2.5V ~ 5.5V

-

1µA ~ 3µA @ 2V ~ 5V

-40°C ~ 85°C

Surface Mount

14-SOIC (0.197", 5.00mm Width)

14-SOP

RTC-4543SA:B3:PURE SN IC RTC CLK/CALENDAR SER 14SOP

50

RTC-4543SA

Tape & Reel (TR)

Obsolete

Not Verified

Clock/Calendar

Leap Year

-

HH:MM:SS (24 hr)

YY-MM-DD-dd

3-Wire Serial

2.5V ~ 5.5V

-

1µA ~ 3µA @ 2V ~ 5V

-40°C ~ 85°C

Surface Mount

14-SOIC (0.197", 5.00mm Width)

14-SOP

RTC-4543SA:B3 ROHS IC RTC CLK/CALENDAR SER 14SOP

50

RTC-4543SA

Tape & Reel (TR)

Obsolete

Not Verified

Clock/Calendar

Leap Year

-

HH:MM:SS (24 hr)

YY-MM-DD-dd

3-Wire Serial

2.5V ~ 5.5V

-

1µA ~ 3µA @ 2V ~ 5V

-40°C ~ 85°C

Surface Mount

14-SOIC (0.197", 5.00mm Width)

14-SOP

RTC-4574JE:B ROHS IC RTC CLK/CALENDAR SER 20VSOJ

50

RTC-4574JE

Strip

Obsolete

Not Verified

Clock/Calendar

Alarm

-

-

-

3-Wire Serial

1.6V ~ 5.5V

-

1µA ~ 2µA @ 3V ~ 5V

-40°C ~ 85°C

Surface Mount

20-LSSOJ (0.213", 5.40mm Width)

20-VSOJ

RTC-4574NB:B ROHS IC RTC CLK/CALENDAR SER 22SON

50

-

Strip

Obsolete

Not Verified

Clock/Calendar

Alarm

-

-

-

3-Wire Serial

1.6V ~ 5.5V

-

1µA ~ 2µA @ 3V ~ 5V

-40°C ~ 85°C

Surface Mount

22-LFDFN

22-SON (6.3x4.8)

RTC-4574SA:B:PURE SN IC RTC CLK/CALENDAR SER 14SOP

50

RTC-4574SA

Tube

Obsolete

Not Verified

Clock/Calendar

Alarm

-

-

-

3-Wire Serial

1.6V ~ 5.5V

-

1µA ~ 2µA @ 3V ~ 5V

-40°C ~ 85°C

Surface Mount

14-SOIC (0.197", 5.00mm Width)

14-SOP

RTC-4701JE:B ROHS IC RTC CLK/CALENDAR SER 20VSOJ

50

-

Strip

Obsolete

Not Verified

Clock/Calendar

Alarm

-

-

-

3-Wire Serial

1.6V ~ 5.5V

-

-

-40°C ~ 85°C

Surface Mount

20-LSSOJ (0.213", 5.40mm Width)

20-VSOJ

RTC-4701NB:B ROHS IC RTC CLK/CALENDAR SER 22SON

50

-

Strip

Obsolete

Not Verified

Clock/Calendar

Alarm

-

-

-

3-Wire Serial

1.6V ~ 5.5V

-

-

-40°C ~ 85°C

Surface Mount

22-LFDFN

22-SON (6.3x4.8)

RTC-72421A: PURE SN IC RTC CLK/CALENDAR PAR 18DIP

50

RTC-72421

Bulk

Obsolete

Not Verified

Clock/Calendar

Leap Year

-

HH:MM:SS (12/24 hr)

-

Parallel

4.5V ~ 5.5V

-

5µA ~ 10µA @ 2V ~ 5V

-10°C ~ 70°C

Through Hole

18-DIP (0.300", 7.62mm)

18-DIP

RTC-72421B: PURE SN IC RTC CLK/CALENDAR PAR 18DIP

50

RTC-72421

Bulk

Obsolete

Not Verified

Clock/Calendar

Leap Year

-

HH:MM:SS (12/24 hr)

-

Parallel

4.5V ~ 5.5V

-

5µA ~ 10µA @ 2V ~ 5V

-10°C ~ 70°C

Through Hole

18-DIP (0.300", 7.62mm)

18-DIP

RTC-72423A: PURE SN IC RTC CLK/CALENDAR PAR 24SOP

50

RTC-72423

Bulk

Obsolete

Not Verified

Clock/Calendar

Leap Year

-

HH:MM:SS (12/24 hr)

-

Parallel

4.5V ~ 5.5V

-

5µA ~ 10µA @ 2V ~ 5V

-40°C ~ 85°C

Surface Mount

24-SOIC (0.311", 7.90mm Width)

24-SOP

RTC-72423B: PURE SN IC RTC CLK/CALENDAR PAR 24SOP

50

RTC-72423

Bulk

Obsolete

Not Verified

Clock/Calendar

Leap Year

-

HH:MM:SS (12/24 hr)

-

Parallel

4.5V ~ 5.5V

-

5µA ~ 10µA @ 2V ~ 5V

-40°C ~ 85°C

Surface Mount

24-SOIC (0.311", 7.90mm Width)

24-SOP

  • RTC-4543SA:A ROHS

    IC RTC CLK/CALENDAR SER 14SOP

    Details

  • RTC-4543SA:B:PURE SN

    IC RTC CLK/CALENDAR SER 14SOP

    Details

  • RTC-4543SA:B ROHS

    IC RTC CLK/CALENDAR SER 14SOP

    Details

  • RTC-4543SA:B0 ROHS

    IC RTC CLK/CALENDAR SER 14SOP

    Details

  • RTC-4543SA:B3:PURE SN

    IC RTC CLK/CALENDAR SER 14SOP

    Details

  • RTC-4543SA:B3 ROHS

    IC RTC CLK/CALENDAR SER 14SOP

    Details

  • RTC-4574JE:B ROHS

    IC RTC CLK/CALENDAR SER 20VSOJ

    Details

  • RTC-4574NB:B ROHS

    IC RTC CLK/CALENDAR SER 22SON

    Details

  • RTC-4574SA:B:PURE SN

    IC RTC CLK/CALENDAR SER 14SOP

    Details

  • RTC-4701JE:B ROHS

    IC RTC CLK/CALENDAR SER 20VSOJ

    Details

  • RTC-4701NB:B ROHS

    IC RTC CLK/CALENDAR SER 22SON

    Details

  • RTC-72421A: PURE SN

    IC RTC CLK/CALENDAR PAR 18DIP

    Details

  • RTC-72421B: PURE SN

    IC RTC CLK/CALENDAR PAR 18DIP

    Details

  • RTC-72423A: PURE SN

    IC RTC CLK/CALENDAR PAR 24SOP

    Details

  • RTC-72423B: PURE SN

    IC RTC CLK/CALENDAR PAR 24SOP

    Details

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