50

-

Tape & Reel (TR),Cut Tape (CT)

Active

Not Verified

Clock/Calendar

Leap Year, NVSRAM, Square Wave Output

56B

HH:MM:SS (12/24 hr)

YY-MM-DD-dd

I²C, 2-Wire Serial

3.3V ~ 5.5V

1.3V ~ 3.7V

5µA @ 3.63V ~ 5.5V

-40°C ~ 85°C

Surface Mount

8-SOIC (0.154", 3.90mm Width)

8-SOIC

50

-

Tape & Reel (TR),Cut Tape (CT)

Active

Not Verified

Clock/Calendar

Alarm, Leap Year, Square Wave Output, TCXO/Crystal, Watchdog Timer

-

HH:MM:SS (12/24 hr)

YY-MM-DD-dd

I²C, 2-Wire Serial

1.8V ~ 4.2V

1.8V ~ 4.2V

1.5µA @ 3.3V

-40°C ~ 85°C

Surface Mount

20-SOIC (0.295", 7.50mm Width)

20-SO

50

-

Tape & Reel (TR),Cut Tape (CT)

Active

Not Verified

Clock/Calendar

Alarm, Leap Year, Square Wave Output, TCXO/Crystal, Watchdog Timer

-

HH:MM:SS (12/24 hr)

YY-MM-DD-dd

I²C, 2-Wire Serial

1.8V ~ 4.2V

1.8V ~ 4.2V

1.5µA @ 3.3V

-40°C ~ 85°C

Surface Mount

16-SOIC (0.295", 7.50mm Width)

16-SO

1255

-

Tube

Active

Not Verified

Clock/Calendar

Alarm, Leap Year, Square Wave Output, Trickle-Charger

-

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

YY-MM-DD-dd

SPI

1.71V ~ 1.89V

1.3V ~ 3.7V

100µA @ 1.71V ~ 1.89V

-40°C ~ 85°C

Surface Mount

10-TFSOP, 10-MSOP (0.118", 3.00mm Width)

10-uMAX/uSOP

50

-

Tube

Active

Not Verified

Binary Counter

Alarm, Square Wave Output, Trickle-Charger, Watchdog Timer

-

Binary

Binary

I²C, 2-Wire Serial

2.7V ~ 3.3V

1.3V ~ 3.7V

125µA @ 2.7V ~ 3.3V

-40°C ~ 85°C

Surface Mount

10-TFSOP, 10-MSOP (0.118", 3.00mm Width)

10-uMAX/uSOP

1237

-

Tube

Active

Not Verified

Binary Counter

Trickle-Charger

-

Binary

Binary

I²C, 2-Wire Serial

2.7V ~ 3.3V

1.3V ~ 3.63V

500µA @ 3.3V

-40°C ~ 85°C

Surface Mount

8-TSSOP, 8-MSOP (0.118", 3.00mm Width)

8-uMAX/uSOP

1238

-

Tube

Active

Not Verified

Clock/Calendar

Alarm, NVSRAM, Square Wave Output, Y2K

242B

HH:MM:SS (12/24 hr)

YY-MM-DD-dd

Parallel

4.5V ~ 5.5V

2.5V ~ 3.7V

3mA @ 5V

0°C ~ 70°C

Surface Mount

24-TSSOP (0.173", 4.40mm Width)

24-TSSOP

50

-

Tube

Active

Not Verified

Clock/Calendar

Alarm, NVSRAM, Square Wave Output, Y2K

242B

HH:MM:SS (12/24 hr)

YY-MM-DD-dd

Parallel

4.5V ~ 5.5V

2.5V ~ 3.7V

3mA @ 5V

-40°C ~ 85°C

Surface Mount

24-TSSOP (0.173", 4.40mm Width)

24-TSSOP

1244

-

Tray

Active

Not Verified

Clock/Calendar

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

114B

HH:MM:SS (12/24 hr)

YY-MM-DD-dd

Parallel

4.5V ~ 5.5V

2.5V ~ 4V

15mA @ 4.5V ~ 5.5V

0°C ~ 70°C

Surface Mount

32-TQFP

32-TQFP (7x7)

50

-

Tube

Obsolete

Not Verified

Clock/Calendar

Alarm, Leap Year, Supervisor, Watchdog Timer

-

HH:MM:SS (12/24 hr)

YY-MM-DD-dd

I²C, 2-Wire Serial

2.7V ~ 5.5V

1.8V ~ 5.5V

10µA ~ 20µA @ 2.7V ~ 5V

-40°C ~ 85°C

Surface Mount

14-SOIC (0.154", 3.90mm Width)

14-SOIC

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

50

-

Tube

Obsolete

Not Verified

Clock/Calendar

Alarm, Leap Year, Supervisor, Unique ID, Watchdog Timer

-

HH:MM:SS (12/24 hr)

YY-MM-DD-dd

I²C, 2-Wire Serial

2.7V ~ 5.5V

1.8V ~ 5.5V

10µA ~ 20µA @ 2.7V ~ 5.5V

-40°C ~ 85°C

Surface Mount

8-SOIC (0.154", 3.90mm Width)

8-SOIC

50

-

Tube

Obsolete

Not Verified

Clock/Calendar

Alarm, Leap Year, Supervisor, Unique ID, Watchdog Timer

-

HH:MM:SS (12/24 hr)

YY-MM-DD-dd

I²C, 2-Wire Serial

2.7V ~ 5.5V

1.8V ~ 5.5V

10µA ~ 20µA @ 2.7V ~ 5.5V

-40°C ~ 85°C

Surface Mount

8-TSSOP (0.173", 4.40mm Width)

8-TSSOP

50

-

Tube

Obsolete

Not Verified

Clock/Calendar

Alarm, Leap Year, SRAM

8B

HH:MM:SS (12/24 hr)

YY-MM-DD-dd

I²C, 2-Wire Serial

2.7V ~ 5.5V

1.8V ~ 5.5V

4µA ~ 6µA @ 3V ~ 5V

-40°C ~ 85°C

Surface Mount

10-TFSOP, 10-MSOP (0.118", 3.00mm Width)

10-MSOP

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 ~ 5.5V

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