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

DS1251Y-150 4096K NV SRAM & PHANTOM CLOCK

1447

-

Bulk

Active

Not Verified

Phantom Time Chip

EEPROM, Leap Year, NVSRAM, RAM

512KB

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

YY-MM-DD

Parallel

2.97V ~ 3.63V, 4.5V ~ 5.5V

Integrated

10mA @ 5V

0°C ~ 70°C (TA)

Through Hole

32-DIP Module (0.600", 15.24mm)

32-EDIP

DS1644L-120 DS1644 NV TIMEKEEPING RAM

2330

-

Bulk

Active

Not Verified

Clock/Calendar

EEPROM, Leap Year, NVSRAM, RAM

32KB

HH:MM:SS (24 hr)

YY-MM-DD

-

4.5V ~ 5.5V

-

4mA @ 5V

0°C ~ 70°C

Through Hole

28-DIP Module (0.600", 15.24mm)

28-EDIP

PCF85063AT/AAZ IC RTC CLOCK/CALENDAR I2C 8SO

2596

-

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

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

0.9V ~ 5.5V

-

0.6µA @ 3.3V

-40°C ~ 85°C

Surface Mount

8-SOIC (0.154", 3.90mm Width)

8-SO

PCF85263ATL/AX IC RTC CLK/CALENDAR I2C 10DFN

3043

-

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

Active

Not Verified

Clock/Calendar

Alarm, Leap Year, Watchdog Timer

-

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

YY-MM-DD-dd

I²C, 2-Wire Serial

0.9V ~ 5.5V

0.9V ~ 5.5V

0.885µA @ 3.3V

-40°C ~ 85°C

Surface Mount

10-XFDFN Exposed Pad

10-DFN (2.6x2.6)

S-35390A-T8T1U IC RTC CLK/CALENDAR I2C 8TSSOP

5014

-

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

Active

Not Verified

Clock/Calendar

Alarm, Leap Year

-

HH:MM:SS (12/24 hr)

YY-MM-DD-dd

I²C, 2-Wire Serial

1.3V ~ 5.5V

-

14µA ~ 30µA @ 3V ~ 5V

-40°C ~ 85°C

Surface Mount

8-TSSOP (0.173", 4.40mm Width)

8-TSSOP

S-35190A-I8T1U IC RTC CLK/CALENDAR SER SNT8A

3339

-

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

Active

Not Verified

Clock/Calendar

Alarm, Leap Year

-

HH:MM:SS (12/24 hr)

YY-MM-DD-dd

3-Wire Serial

1.3V ~ 5.5V

-

0.93µA ~ 1.1µA @ 3V ~ 5V

-40°C ~ 85°C

Surface Mount

8-SMD, Flat Lead

SNT-8A

PCF8563BS/4,118 IC RTC CLK/CALENDAR I2C 10HVSON

2921

-

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

Active

Not Verified

Clock/Calendar

Alarm, Leap Year, Watchdog Timer

-

HH:MM:SS (24 hr)

YY-MM-DD-dd

I²C, 2-Wire Serial

1V ~ 5.5V

-

0.6µA ~ 0.75µA @ 2V ~ 5V

-40°C ~ 85°C

Surface Mount

10-VFDFN Exposed Pad

10-HVSON (3x3)

PCF85363ATL/AX IC RTC CLK/CALENDAR I2C 10DFN

1868

-

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

Active

Not Verified

Clock/Calendar

Alarm, Leap Year, Watchdog Timer

64B

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

YY-MM-DD-dd

I²C, 2-Wire Serial

0.9V ~ 5.5V

0.9V ~ 5.5V

0.885µA @ 3.3V

-40°C ~ 85°C

Surface Mount

10-XFDFN Exposed Pad

10-DFN (2.6x2.6)

PCF8563TS/4,118 IC RTC CLK/CALENDAR I2C 8TSSOP

2948

-

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

Active

Not Verified

Clock/Calendar

Alarm, Leap Year, Watchdog Timer

-

HH:MM:SS (24 hr)

YY-MM-DD-dd

I²C, 2-Wire Serial

1V ~ 5.5V

-

0.6µA ~ 0.75µA @ 2V ~ 5V

-40°C ~ 85°C

Surface Mount

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

8-TSSOP

MAX31341CETB+T IC RTC CLK/CALENDAR I2C 10TDFN

2399

-

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

Active

Not Verified

Clock/Calendar

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

64B

HH:MM:SS (24 hr)

YY-MM-DD-dd

I²C

1.6V ~ 3.6V

1.6V ~ 3.6V

0.33µA ~ 0.39µA @ 1.6V ~ 3.6V

-40°C ~ 85°C

Surface Mount

10-WFDFN Exposed Pad

10-TDFN (3x3)

MAX31331EWC+T IC RTC CLK/CALENDAR I2C 12WLP

3524

-

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

Active

Not Verified

Clock/Calendar

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

32B

HH:MM:SS (12/24 hr)

YY-MM-DD

I²C

1.1V ~ 5.5V

1.1V ~ 5.5V

0.65µA ~ 0.7µA @ 1.1V ~ 5.5V

-40°C ~ 85°C (TA)

Surface Mount

12-WFBGA, WLBGA

12-WLP (1.63x1.23)

ISL1218IUZ IC RTC CLK/CALENDAR I2C 8MSOP

5234

-

Bulk,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

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

8-MSOP

MAX31334EWC+T IC RTC CLK/CALENDAR I2C 12WLP

3690

-

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

Active

Not Verified

Clock/Calendar

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

32B

HH:MM:SS (12/24 hr)

YY-MM-DD

I²C

1.1V ~ 5.5V

1.1V ~ 5.5V

750nA ~ 800nA @ 1.8V ~ 4.2V

-40°C ~ 85°C

Surface Mount

12-WFBGA, WLBGA

12-WLP (1.47x1.97)

ISL12024IBZ-T IC RTC CLK/CALENDAR I2C 8SOIC

5324

-

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

Obsolete

Not Verified

Clock/Calendar

Alarm, Leap Year, Unique ID

-

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

S-35399A03-J8T1U IC RTC CLOCK/CALENDAR I2C 8SOP

5186

S-35399A03

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

Active

Not Verified

Clock/Calendar

Alarm, Leap Year

-

HH:MM:SS (12/24 hr)

YY-MM-DD-dd

I²C, 2-Wire Serial

1.3V ~ 5.5V

-

14µA ~ 30µA @ 3V ~ 5V

-40°C ~ 85°C (TA)

Surface Mount

8-SOIC (0.154", 3.90mm Width)

8-SOP-J

  • DS1251Y-150

    4096K NV SRAM & PHANTOM CLOCK

    Details
  • DS1644L-120

    DS1644 NV TIMEKEEPING RAM

    Details
  • PCF85063AT/AAZ

    IC RTC CLOCK/CALENDAR I2C 8SO

    Details
  • PCF85263ATL/AX

    IC RTC CLK/CALENDAR I2C 10DFN

    Details
  • S-35390A-T8T1U

    IC RTC CLK/CALENDAR I2C 8TSSOP

    Details
  • S-35190A-I8T1U

    IC RTC CLK/CALENDAR SER SNT8A

    Details
  • PCF8563BS/4,118

    IC RTC CLK/CALENDAR I2C 10HVSON

    Details
  • PCF85363ATL/AX

    IC RTC CLK/CALENDAR I2C 10DFN

    Details
  • PCF8563TS/4,118

    IC RTC CLK/CALENDAR I2C 8TSSOP

    Details
  • MAX31341CETB+T

    IC RTC CLK/CALENDAR I2C 10TDFN

    Details
  • MAX31331EWC+T

    IC RTC CLK/CALENDAR I2C 12WLP

    Details
  • ISL1218IUZ

    IC RTC CLK/CALENDAR I2C 8MSOP

    Details
  • MAX31334EWC+T

    IC RTC CLK/CALENDAR I2C 12WLP

    Details
  • ISL12024IBZ-T

    IC RTC CLK/CALENDAR I2C 8SOIC

    Details
  • S-35399A03-J8T1U

    IC RTC CLOCK/CALENDAR I2C 8SOP

    Details

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