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

DS1244W-120+ IC RTC PHANTOM CHIP PAR 28EDIP

50

-

Tube

Active

Not Verified

Phantom Time Chip

Leap Year, NVSRAM

32KB

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

YY-MM-DD-dd

Parallel

2.97V ~ 3.63V

-

7mA @ 3.3V

0°C ~ 70°C

Through Hole

28-DIP Module (0.600", 15.24mm)

28-EDIP

DS17887-3IND+ IC RTC CLK/CALENDAR PAR 24EDIP

50

-

Tube

Active

Not Verified

Clock/Calendar

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

8KB

HH:MM:SS (12/24 hr)

YY-MM-DD-dd

Parallel

2.7V ~ 3.7V

2.5V ~ 3.7V

2mA @ 2.7V ~ 3.7V

-40°C ~ 85°C

Through Hole

24-DIP Module (0.600", 15.24mm)

24-EDIP

DS1554-70IND+ IC RTC CLK/CALENDAR PAR 32EDIP

50

-

Tube

Active

Not Verified

Clock/Calendar

Alarm, Leap Year, NVSRAM, Watchdog Timer, Y2K

32KB

HH:MM:SS (24 hr)

YY-MM-DD-dd

Parallel

4.5V ~ 5.5V

-

6mA @ 5V

-40°C ~ 85°C

Through Hole

32-DIP Module (0.600", 15.24mm)

32-EDIP

DS1744WP-120IND+ IC RTC CLK/CALENDAR PAR 34PCM

50

-

Tube

Active

Not Verified

Clock/Calendar

Leap Year, NVSRAM, Y2K

32KB

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

DS1746P-70+ IC RTC CLK/CALENDAR PAR 34PCM

50

-

Tray

Active

Not Verified

Clock/Calendar

Leap Year, NVSRAM, Y2K

128KB

HH:MM:SS (24 hr)

YY-MM-DD-dd

Parallel

4.5V ~ 5.5V

3V

4mA @ 5V

0°C ~ 70°C

Surface Mount

34-PowerCap™ Module

34-PowerCap Module

DS1248YP-70+ IC RTC PHANTOM CHIP PAR 34PCM

50

-

Tray

Active

Not Verified

Phantom Time Chip

NVSRAM

128KB

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

YY-MM-DD-dd

Parallel

4.5V ~ 5.5V

3V

10mA @ 5V

0°C ~ 70°C

Surface Mount

34-PowerCap™ Module

34-PowerCap Module

DS1556WP-120+ IC RTC CLK/CALENDAR PAR 34PCM

1314

-

Tray

Active

Not Verified

Clock/Calendar

Alarm, Leap Year, NVSRAM, Watchdog Timer, Y2K

128KB

HH:MM:SS (24 hr)

YY-MM-DD-dd

Parallel

2.97V ~ 3.63V

3V

4mA @ 3.3V

0°C ~ 70°C

Surface Mount

34-PowerCap™ Module

34-PowerCap Module

DS1556W-120+ IC RTC CLK/CALENDAR PAR 32EDIP

1237

-

Tube

Active

Not Verified

Clock/Calendar

Alarm, Leap Year, NVSRAM, Watchdog Timer, Y2K

128KB

HH:MM:SS (24 hr)

YY-MM-DD-dd

Parallel

2.97V ~ 3.63V

-

4mA @ 3.3V

0°C ~ 70°C

Through Hole

32-DIP Module (0.600", 15.24mm)

32-EDIP

DS1248Y-70IND+ IC RTC PHANTOM CHIP PAR 32EDIP

1254

-

Tube

Active

Not Verified

Phantom Time Chip

NVSRAM

128KB

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

YY-MM-DD-dd

Parallel

4.5V ~ 5.5V

-

10mA @ 5V

-40°C ~ 85°C

Through Hole

32-DIP Module (0.600", 15.24mm)

32-EDIP

DS1556W-120IND+ IC RTC CLK/CALENDAR PAR 32EDIP

1422

-

Tube

Active

Not Verified

Clock/Calendar

Alarm, Leap Year, NVSRAM, Watchdog Timer, Y2K

128KB

HH:MM:SS (24 hr)

YY-MM-DD-dd

Parallel

2.97V ~ 3.63V

-

4mA @ 3.3V

-40°C ~ 85°C

Through Hole

32-DIP Module (0.600", 15.24mm)

32-EDIP

DS1747WP-120IND+ IC RTC CLK/CALENDAR PAR 34PCM

50

-

Tray

Active

Not Verified

Clock/Calendar

Leap Year, NVSRAM, Y2K

512KB

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

PCF8523TS/1,118 IC RTC CLK/CALENDAR I2C 14TSSOP

50

-

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

Active

Not Verified

Clock/Calendar

Alarm, Leap Year, Watchdog Timer

-

HH:MM:SS (12/24 hr)

YY-MM-DD-dd

I²C, 2-Wire Serial

1.6V ~ 5.5V

1.8V ~ 5.5V

0.5µA @ 2V ~ 5V

-40°C ~ 85°C

Surface Mount

14-TSSOP (0.173", 4.40mm Width)

14-TSSOP

R2223T-E2-F IC RTC CLK/CALENDAR I2C 10TSSOP

50

-

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

Active

Not Verified

Clock/Calendar

Alarm, Leap Year, RAM

-

HH:MM:SS (12/24 hr)

YY-MM-DD-dd

I²C, 2-Wire Serial

1.5V ~ 5.5V

-

0.9µA @ 3V

-40°C ~ 85°C

Surface Mount

10-VFSOP, 10-MSOP (0.110", 2.80mm Width)

10-TSSOPG

R2061L01-E2 IC RTC CLK/CALENDAR SER 16QFN

50

-

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

2.34V ~ 5.5V

-

1µA @ 3V

-40°C ~ 85°C

Surface Mount

16-XFQFN Exposed Pad

QFN023023-16

R2262L01-E2 IC RTC CLK/CALENDAR SER 18QFN

1334

-

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

Active

Not Verified

Clock/Calendar

Alarm, Leap Year, RAM, SRAM

-

HH:MM:SS (12/24 hr)

YY-MM-DD-dd

3-Wire Serial

2.63V ~ 5.5V

-

0.9µA @ 3V

-40°C ~ 85°C (TA)

Surface Mount

18-XFQFN Exposed Pad

18-QFN (2x2)

  • DS1244W-120+

    IC RTC PHANTOM CHIP PAR 28EDIP

    Details
  • DS17887-3IND+

    IC RTC CLK/CALENDAR PAR 24EDIP

    Details
  • DS1554-70IND+

    IC RTC CLK/CALENDAR PAR 32EDIP

    Details
  • DS1744WP-120IND+

    IC RTC CLK/CALENDAR PAR 34PCM

    Details
  • DS1746P-70+

    IC RTC CLK/CALENDAR PAR 34PCM

    Details
  • DS1248YP-70+

    IC RTC PHANTOM CHIP PAR 34PCM

    Details
  • DS1556WP-120+

    IC RTC CLK/CALENDAR PAR 34PCM

    Details
  • DS1556W-120+

    IC RTC CLK/CALENDAR PAR 32EDIP

    Details
  • DS1248Y-70IND+

    IC RTC PHANTOM CHIP PAR 32EDIP

    Details
  • DS1556W-120IND+

    IC RTC CLK/CALENDAR PAR 32EDIP

    Details
  • DS1747WP-120IND+

    IC RTC CLK/CALENDAR PAR 34PCM

    Details
  • PCF8523TS/1,118

    IC RTC CLK/CALENDAR I2C 14TSSOP

    Details
  • R2223T-E2-F

    IC RTC CLK/CALENDAR I2C 10TSSOP

    Details
  • R2061L01-E2

    IC RTC CLK/CALENDAR SER 16QFN

    Details
  • R2262L01-E2

    IC RTC CLK/CALENDAR SER 18QFN

    Details

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