4051

-

Bulk

Obsolete

Not Verified

Clock/Calendar

Alarm, Leap Year

-

HH:MM:SS (12/24 hr)

YY-MM-DD-dd

I²C, 2-Wire Serial

1.8V ~ 3.6V

-

0.65µA @ 1.8V

-40°C ~ 85°C

Surface Mount

8-UFDFN

8-µTDFN (2x2)

22234

-

Bulk

Obsolete

Not Verified

Clock/Calendar

Alarm, Leap Year

-

HH:MM:SS (12/24 hr)

YY-MM-DD-dd

I²C

1.8V ~ 3.6V

-

0.65µA @ 1.8V

-40°C ~ 85°C

Surface Mount

8-UFDFN

8-µTDFN (2x2)

8262

-

Bulk

Obsolete

Not Verified

Clock/Calendar

Alarm, Leap Year

-

HH:MM:SS (12/24 hr)

YY-MM-DD-dd

I²C, 2-Wire Serial

1.8V ~ 3.6V

-

0.65µA @ 1.8V

-40°C ~ 85°C

Surface Mount

8-UFDFN

8-µTDFN (2x2)

5421

-

Tube

Obsolete

Not Verified

Clock/Calendar

Leap Year

-

HH:MM:SS (24 hr)

YY-MM-DD-dd

I²C, 2-Wire Serial

1.8V ~ 3.6V

-

0.65µA @ 1.8V

-40°C ~ 85°C

Surface Mount

8-SOIC (0.154", 3.90mm Width)

8-SOIC

11234

-

Bulk

Obsolete

Not Verified

Clock/Calendar

Leap Year

-

HH:MM:SS (24 hr)

YY-MM-DD-dd

I²C, 2-Wire Serial

1.8V ~ 3.6V

-

0.65µA @ 1.8V

-40°C ~ 85°C

Surface Mount

8-SOIC (0.154", 3.90mm Width)

8-SOIC

11688

-

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

0°C ~ 70°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, Trickle-Charger

-

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

YY-MM-DD-dd

SPI

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

1420

2-Wire™

Bulk

Active

Not Verified

Clock/Calendar

Alarm, EEPROM, Leap Year, SRAM, Supervisor, Watchdog Timer, Y2K

32KB

HH:MM:SS:hh (24 hr)

YY-MM-DD-dd

I²C, 2-Wire Serial

4.5V ~ 5.5V

1.8V ~ 5.5V

10µA ~ 20µA @ 2.7V ~ 5V

-40°C ~ 85°C (TA)

Surface Mount

14-TSSOP (0.173", 4.40mm Width)

14-TSSOP

1464

-

Tube

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

2.7V ~ 3.6V

2.4V ~ 4V

-

-

Surface Mount

24-SSOP (0.154", 3.90mm Width)

24-SSOP

3734

-

Bulk

Obsolete

Not Verified

Time Event Recorder

Alarm, SRAM, Trickle-Charger

128B

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

YY-MM-DD-dd

I²C, 2-Wire Serial

2.7V ~ 5.5V

1.8V ~ 5.5V

18µA @ 5.5V

-40°C ~ 85°C

Surface Mount

14-TSSOP (0.173", 4.40mm Width)

14-TSSOP

2263

-

Bulk

Active

Not Verified

Clock/Calendar

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

-

HH:MM:SS (12/24 hr)

YY-MM-DD

I²C

2.3V ~ 5.5V

2.3V ~ 5.5V

110µA ~ 170µA @ 3.63V ~ 5.5V

-40°C ~ 85°C (TA)

Surface Mount

16-SOIC (0.295", 7.50mm Width)

16-SOIC

50

-

Tube

Active

Not Verified

Clock/Calendar

Alarm, Leap Year, Square Wave Output

-

HH:MM:SS (12/24 hr)

YY-MM-DD-dd

I²C, 2-Wire Serial

1.8V ~ 5.5V

-

0.3µA @ 1.3V ~ 1.8V

-40°C ~ 85°C

Surface Mount

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

8-TSSOP

5909

-

Bulk

Active

Not Verified

Clock/Calendar

Alarm, Leap Year, RAM

31B

HH:MM:SS (12/24 hr)

YY-MM-DD-dd

3-Wire Serial

2V ~ 5.5V

-

0.7µA ~ 2.2µA @ 2V ~ 5V

-40°C ~ 85°C (TA)

Surface Mount

8-WDFN Exposed Pad

8-TDFN-EP (3x3)

1734

-

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/QSOP

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 ~ 5.5V

-40°C ~ 85°C

Surface Mount

8-TSSOP (0.173", 4.40mm Width)

8-TSSOP