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

BQ4845S-A4N IC RTC CLK/CALENDAR PAR 28SOIC

50

-

Tube,Tube

Obsolete

Not Verified

Clock/Calendar

Alarm, Daylight Savings, Leap Year, Supervisor, Watchdog Timer

-

HH:MM:SS (12/24 hr)

YY-MM-DD-dd

Parallel

4.75V ~ 5.5V

2.3V ~ 4V

1.5mA (Typ) @ 4.5 V ~ 5.5 V

-40°C ~ 85°C

Surface Mount

28-SOIC (0.295", 7.50mm Width)

28-SOIC

BQ4845YS-A4 IC RTC CLK/CALENDAR PAR 28SOIC

50

-

Tube,Tube

Obsolete

Not Verified

Clock/Calendar

Alarm, Daylight Savings, Leap Year, Supervisor, Watchdog Timer

-

HH:MM:SS (12/24 hr)

YY-MM-DD-dd

Parallel

4.5V ~ 5.5V

2.3V ~ 4V

1.5mA (Typ) @ 4.5 V ~ 5.5 V

0°C ~ 70°C

Surface Mount

28-SOIC (0.295", 7.50mm Width)

28-SOIC

BQ4845YS-A4N IC RTC CLK/CALENDAR PAR 28SOIC

50

-

Tube,Tube

Obsolete

Not Verified

Clock/Calendar

Alarm, Daylight Savings, Leap Year, Supervisor, Watchdog Timer

-

HH:MM:SS (12/24 hr)

YY-MM-DD-dd

Parallel

4.5V ~ 5.5V

2.3V ~ 4V

1.5mA (Typ) @ 4.5 V ~ 5.5 V

-40°C ~ 85°C

Surface Mount

28-SOIC (0.295", 7.50mm Width)

28-SOIC

BQ4847MT IC RTC CLK/CALENDAR PAR 28-DIP

50

-

Tube

Obsolete

Not Verified

Clock/Calendar

Alarm, Daylight Savings, Leap Year, Supervisor, Watchdog Timer

-

HH:MM:SS (12/24 hr)

YY-MM-DD-dd

Parallel

4.75V ~ 5.25V

2.3V ~ 4V

-

0°C ~ 70°C

Through Hole

28-DIP Module (0.61", 15.49mm)

28-DIP Module

BQ4847YMT IC RTC CLK/CALENDAR PAR 28-DIP

50

-

Tube

Obsolete

Not Verified

Clock/Calendar

Alarm, Daylight Savings, Leap Year, Supervisor, Watchdog Timer

-

HH:MM:SS (12/24 hr)

YY-MM-DD-dd

Parallel

4.5V ~ 5.5V

2.3V ~ 4V

-

0°C ~ 70°C

Through Hole

28-DIP Module (0.61", 15.49mm)

28-DIP Module

BQ4850YMA-85 IC RTC CLK/CALENDAR PAR 32DIP

50

-

Tube,Tube

Obsolete

Not Verified

Clock/Calendar

Alarm

-

HH:MM:SS (24 hr)

YY-MM-DD-dd

Parallel

4.5V ~ 5.5V

-

1mA @ 4.5V ~ 5.5V

0°C ~ 70°C

Through Hole

32-DIP Module (0.610", 15.49mm)

32-DIP Module (18.42x42.8)

BQ4852YMC-85 IC RTC CLK/CALENDAR PAR 36DIP

50

-

Tube,Tube

Obsolete

Not Verified

Clock/Calendar

Alarm, Supervisor, Watchdog Timer

-

HH:MM:SS:hh (24 hr)

YY-MM-DD-dd

Parallel

4.5V ~ 5.5V

-

1mA @ 4.5V ~ 5.5V

0°C ~ 70°C

Through Hole

36-DIP Module (0.610", 15.49mm)

36-DIP Module

BQ4802YDSH IC RTC CLK/CALENDAR PAR 28SOP

50

-

Tube,Tube

Obsolete

Not Verified

Clock/Calendar

Alarm, Daylight Savings, Leap Year, Supervisor, Watchdog Timer

-

HH:MM:SS (12/24 hr)

YY-MM-DD-dd

Parallel

4.5V ~ 5.5V

2.4V ~ 4V

1.5mA (Typ) @ 4.5 V ~ 5.5 V

0°C ~ 70°C

Surface Mount

28-SOIC (0.345", 8.77mm Width) with SNAPHAT Sockets

28-SOP

BQ4802LYDSH IC RTC CLK/CALENDAR PAR 28SOP

50

-

Tube

Obsolete

Not Verified

Clock/Calendar

Alarm, Daylight Savings, Leap Year, Supervisor, Watchdog Timer

-

HH:MM:SS (12/24 hr)

YY-MM-DD-dd

Parallel

2.7V ~ 3.6V

2.4V ~ 4V

1.5mA (Typ) @ 2.7 V ~ 3.6 V

0°C ~ 70°C

Surface Mount

28-SOIC (0.345", 8.77mm Width) with SNAPHAT Sockets

28-SOP

BQ3285ESSTR IC RTC CLK/CALENDAR PAR 24SSOP

50

-

Tape & Reel (TR),Bulk

Obsolete

Not Verified

Clock/Calendar

Alarm, Daylight Savings, Leap Year, NVSRAM, Square Wave Output

242B

HH:MM:SS (12/24 hr)

YY-MM-DD-dd

Parallel

4.5V ~ 5.5V

2.5V ~ 4V

300µA @ 5V

0°C ~ 70°C

Surface Mount

24-SSOP (0.154", 3.90mm Width)

24-SSOP

BQ3285ESSTRG4 IC RTC CLK/CALENDAR PAR 24SSOP

50

-

Tape & Reel (TR)

Obsolete

Not Verified

Clock/Calendar

Alarm, Daylight Savings, Leap Year, NVSRAM, Square Wave Output

242B

HH:MM:SS (12/24 hr)

YY-MM-DD-dd

Parallel

4.5V ~ 5.5V

2.5V ~ 4V

300µA @ 5V

0°C ~ 70°C

Surface Mount

24-SSOP (0.154", 3.90mm Width)

24-SSOP

BQ3285ESTR IC RTC CLK/CALENDAR PAR 24SOIC

50

-

Tape & Reel (TR),Bulk

Obsolete

Not Verified

Clock/Calendar

Alarm, Daylight Savings, Leap Year, NVSRAM, Square Wave Output

242B

HH:MM:SS (12/24 hr)

YY-MM-DD-dd

Parallel

4.5V ~ 5.5V

2.5V ~ 4V

300µA @ 5V

0°C ~ 70°C

Surface Mount

24-SOIC (0.295", 7.50mm Width)

24-SOIC

BQ3285LDSSG4 IC RTC CLK/CALENDAR PAR 24SSOP

50

-

Tube

Obsolete

Not Verified

Clock/Calendar

Alarm, Daylight Savings, NVSRAM

242B

HH:MM:SS (12/24 hr)

YY-MM-DD-dd

Parallel

2.7V ~ 5.5V

2.4V ~ 4V

100µA @ 3V

0°C ~ 70°C

Surface Mount

24-SSOP (0.154", 3.90mm Width)

24-SSOP

BQ3285LDSSTR IC RTC CLK/CALENDAR PAR 24SSOP

50

-

Tape & Reel (TR),Bulk

Obsolete

Not Verified

Clock/Calendar

Alarm, Daylight Savings, NVSRAM

242B

HH:MM:SS (12/24 hr)

YY-MM-DD-dd

Parallel

2.7V ~ 5.5V

2.4V ~ 4V

100µA @ 3V

0°C ~ 70°C

Surface Mount

24-SSOP (0.154", 3.90mm Width)

24-SSOP

BQ3285LDSSTRG4 IC RTC CLK/CALENDAR PAR 24SSOP

50

-

Tape & Reel (TR)

Obsolete

Not Verified

Clock/Calendar

Alarm, Daylight Savings, NVSRAM

242B

HH:MM:SS (12/24 hr)

YY-MM-DD-dd

Parallel

2.7V ~ 5.5V

2.4V ~ 4V

100µA @ 3V

0°C ~ 70°C

Surface Mount

24-SSOP (0.154", 3.90mm Width)

24-SSOP

  • BQ4845S-A4N

    IC RTC CLK/CALENDAR PAR 28SOIC

    Details

  • BQ4845YS-A4

    IC RTC CLK/CALENDAR PAR 28SOIC

    Details

  • BQ4845YS-A4N

    IC RTC CLK/CALENDAR PAR 28SOIC

    Details

  • BQ4847MT

    IC RTC CLK/CALENDAR PAR 28-DIP

    Details

  • BQ4847YMT

    IC RTC CLK/CALENDAR PAR 28-DIP

    Details

  • BQ4850YMA-85

    IC RTC CLK/CALENDAR PAR 32DIP

    Details

  • BQ4852YMC-85

    IC RTC CLK/CALENDAR PAR 36DIP

    Details

  • BQ4802YDSH

    IC RTC CLK/CALENDAR PAR 28SOP

    Details

  • BQ4802LYDSH

    IC RTC CLK/CALENDAR PAR 28SOP

    Details

  • BQ3285ESSTR

    IC RTC CLK/CALENDAR PAR 24SSOP

    Details

  • BQ3285ESSTRG4

    IC RTC CLK/CALENDAR PAR 24SSOP

    Details

  • BQ3285ESTR

    IC RTC CLK/CALENDAR PAR 24SOIC

    Details

  • BQ3285LDSSG4

    IC RTC CLK/CALENDAR PAR 24SSOP

    Details

  • BQ3285LDSSTR

    IC RTC CLK/CALENDAR PAR 24SSOP

    Details

  • BQ3285LDSSTRG4

    IC RTC CLK/CALENDAR PAR 24SSOP

    Details

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