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

AB1803-T3 IC RTC CLK/CALENDAR I2C 16QFN

50

-

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

Obsolete

Not Verified

Clock/Calendar

Alarm, Leap Year, SRAM, Trickle-Charger

64B

HH:MM:SS:hh

YY-MM-DD-dd

I²C, 2-Wire Serial

1.7V ~ 3.6V

1.5V ~ 3.6V

0.17µA ~ 0.22µA @ 1.8V ~ 3V

-40°C ~ 85°C

Surface Mount

16-VFQFN Exposed Pad

16-QFN (3x3)

AB1811-T3 IC RTC CLK/CALENDAR SPI 16QFN

50

-

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

Obsolete

Not Verified

Clock/Calendar

Alarm, Leap Year, Trickle-Charger

-

HH:MM:SS:hh

YY-MM-DD-dd

SPI

1.7V ~ 3.6V

1.5V ~ 3.6V

0.17µA ~ 0.22µA @ 1.8V ~ 3V

-40°C ~ 85°C

Surface Mount

16-VFQFN Exposed Pad

16-QFN (3x3)

AB1813-T3 IC RTC CLK/CALENDAR SPI 16QFN

50

-

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

Obsolete

Not Verified

Clock/Calendar

Alarm, Leap Year, SRAM, Trickle-Charger

64B

HH:MM:SS:hh

YY-MM-DD-dd

SPI

1.7V ~ 3.6V

1.5V ~ 3.6V

0.17µA ~ 0.22µA @ 1.8V ~ 3V

-40°C ~ 85°C

Surface Mount

16-VFQFN Exposed Pad

16-QFN (3x3)

AB0801-T3 IC RTC CLK/CALENDAR I2C 16QFN

50

-

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

Obsolete

Not Verified

Clock/Calendar

Alarm, Leap Year, Trickle-Charger

-

HH:MM:SS:hh

YY-MM-DD-dd

I²C, 2-Wire Serial

1.7V ~ 3.6V

1.5V ~ 3.6V

0.17µA ~ 0.22µA @ 1.8V ~ 3V

-40°C ~ 85°C

Surface Mount

16-VFQFN Exposed Pad

16-QFN (3x3)

AB0804-T3 IC RTC CLK/CALENDAR I2C 16QFN

50

-

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

Obsolete

Not Verified

Clock/Calendar

Alarm, Leap Year, SRAM, Trickle-Charger, Watchdog Timer

256B

HH:MM:SS:hh

YY-MM-DD-dd

I²C, 2-Wire Serial

1.7V ~ 3.6V

1.5V ~ 3.6V

0.17µA ~ 0.22µA @ 1.8V ~ 3V

-40°C ~ 85°C

Surface Mount

16-VFQFN Exposed Pad

16-QFN (3x3)

AB1801-T3 IC RTC CLK/CALENDAR I2C 16QFN

50

-

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

Obsolete

Not Verified

Clock/Calendar

Alarm, Leap Year, Trickle-Charger

-

HH:MM:SS:hh

YY-MM-DD-dd

I²C, 2-Wire Serial

1.7V ~ 3.6V

1.5V ~ 3.6V

0.17µA ~ 0.22µA @ 1.8V ~ 3V

-40°C ~ 85°C

Surface Mount

16-VFQFN Exposed Pad

16-QFN (3x3)

AB1804-T3 IC RTC CLK/CALENDAR I2C 16QFN

50

-

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

Obsolete

Not Verified

Clock/Calendar

Alarm, Leap Year, SRAM, Trickle-Charger, Watchdog Timer

256B

HH:MM:SS:hh

YY-MM-DD-dd

I²C, 2-Wire Serial

1.7V ~ 3.6V

1.5V ~ 3.6V

0.17µA ~ 0.22µA @ 1.8V ~ 3V

-40°C ~ 85°C

Surface Mount

16-VFQFN Exposed Pad

16-QFN (3x3)

ISL12026IBZ-T7A IC RTC CLK/CALENDAR I2C 8SOIC

50

-

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

Obsolete

Not Verified

Clock/Calendar

Alarm, Leap Year

-

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

DS1251WP-C01+ IC RTC PHANTOM TIME CHIP PAR

50

-

Tube

Obsolete

Not Verified

Phantom Time Chip

Leap Year, NVSRAM

512KB

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

YY-MM-DD-dd

Parallel

2.97V ~ 3.63V

3V

7mA @ 3.3V

0°C ~ 70°C

-

-

-

DS1251WP-C02+ IC RTC PHANTOM TIME CHIP PAR

50

-

Tube

Obsolete

Not Verified

Phantom Time Chip

Leap Year, NVSRAM

512KB

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

YY-MM-DD-dd

Parallel

2.97V ~ 3.63V

3V

7mA @ 3.3V

0°C ~ 70°C

-

-

-

DS1254WB2-150 IC RTC PHANTOM CHIP PAR 80BGA

50

-

Tray

Obsolete

Not Verified

Phantom Time Chip

Leap Year, NVSRAM

2MB

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

YY-MM-DD-dd

Parallel

3V ~ 3.7V

3V

7mA @ 3.3V

0°C ~ 70°C

Surface Mount

80-BBGA

80-BGA (40x40)

DS1254WB-C02 IC RTC PHANTOM CHIP PAR 80BGA

50

-

Tray

Obsolete

Not Verified

Phantom Time Chip

Leap Year, NVSRAM

2MB

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

YY-MM-DD-dd

Parallel

3V ~ 3.7V

3V

-

-

Surface Mount

80-BBGA

80-BGA (40x40)

DS12R887-33 IC RTC CLK/CALENDAR PAR 48BGA

50

-

Tray

Obsolete

Not Verified

Clock/Calendar

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

114B

HH:MM:SS (12/24 hr)

YY-MM-DD-dd

Parallel

2.97V ~ 3.63V

2V ~ 3.05V

2mA @ 2.97V ~ 3.63V

-40°C ~ 85°C

Surface Mount

48-BBGA

48-PBGA (11.8x15.3)

DS12R887-5 IC RTC CLK/CALENDAR PAR 48BGA

50

-

Tray,Tray

Obsolete

Not Verified

Clock/Calendar

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

114B

HH:MM:SS (12/24 hr)

YY-MM-DD-dd

Parallel

4.5V ~ 5.5V

2V ~ 3.05V

2mA @ 4.5V ~ 5.5V

-40°C ~ 85°C

Surface Mount

48-BBGA

48-PBGA (11.8x15.3)

DS1318 IC RTC ELAPSED CNT PAR 24TSSOP

50

-

Tube,Tube

Obsolete

Not Verified

Elapsed Time Counter

Alarm, Square Wave Output

-

Binary

Binary

Parallel

3V ~ 3.6V

1.6V ~ 3.7V

150µA @ 3V ~ 3.6V

-40°C ~ 85°C

Surface Mount

24-TSSOP (0.173", 4.40mm Width)

24-TSSOP

  • AB1803-T3

    IC RTC CLK/CALENDAR I2C 16QFN

    Details
  • AB1811-T3

    IC RTC CLK/CALENDAR SPI 16QFN

    Details
  • AB1813-T3

    IC RTC CLK/CALENDAR SPI 16QFN

    Details
  • AB0801-T3

    IC RTC CLK/CALENDAR I2C 16QFN

    Details
  • AB0804-T3

    IC RTC CLK/CALENDAR I2C 16QFN

    Details
  • AB1801-T3

    IC RTC CLK/CALENDAR I2C 16QFN

    Details
  • AB1804-T3

    IC RTC CLK/CALENDAR I2C 16QFN

    Details
  • ISL12026IBZ-T7A

    IC RTC CLK/CALENDAR I2C 8SOIC

    Details
  • DS1251WP-C01+

    IC RTC PHANTOM TIME CHIP PAR

    Details
  • DS1251WP-C02+

    IC RTC PHANTOM TIME CHIP PAR

    Details
  • DS1254WB2-150

    IC RTC PHANTOM CHIP PAR 80BGA

    Details
  • DS1254WB-C02

    IC RTC PHANTOM CHIP PAR 80BGA

    Details
  • DS12R887-33

    IC RTC CLK/CALENDAR PAR 48BGA

    Details
  • DS12R887-5

    IC RTC CLK/CALENDAR PAR 48BGA

    Details
  • DS1318

    IC RTC ELAPSED CNT PAR 24TSSOP

    Details

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