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

DS1344E-33+T&R IC RTC CLK/CALENDAR SPI 20TSSOP

50

-

Tape & Reel (TR)

Active

Not Verified

Clock/Calendar

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

96B

HH:MM:SS (12/24 hr)

YY-MM-DD-dd

SPI

3V ~ 5.5V

1.3V ~ 5.5V

120µA ~ 160µA @ 3.63V ~ 5.5V

-40°C ~ 85°C

Surface Mount

20-TSSOP (0.173", 4.40mm Width)

20-TSSOP

ISL12022IBZ-T IC RTC CLK/CALENDAR I2C 8SOIC

50

-

Tape & Reel (TR)

Active

Not Verified

Clock/Calendar

Alarm, Daylight Savings, Leap Year, SRAM

128B

HH:MM:SS (12/24 hr)

YY-MM-DD-dd

I²C, 2-Wire Serial

2.7V ~ 5.5V

1.8V ~ 5.5V

14µA ~ 15µA @ 3V ~ 5V

-40°C ~ 85°C

Surface Mount

8-SOIC (0.154", 3.90mm Width)

8-SOIC

1337AGDCGI IC RTC CLK/CALENDAR I2C 8SOIC

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-SOIC (0.154", 3.90mm Width)

8-SOIC

DS1388Z-3+T&R IC RTC CLK/CALENDAR I2C 8SOIC

50

-

Tape & Reel (TR)

Active

Not Verified

Clock/Calendar

EEPROM, Leap Year, Supervisor, Trickle-Charger, Watchdog Timer

512B

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

YY-MM-DD-dd

I²C, 2-Wire Serial

2.7V ~ 3.3V

1.3V ~ 5.5V

140µA @ 2.7V ~ 3.3V

-40°C ~ 85°C

Surface Mount

8-SOIC (0.154", 3.90mm Width)

8-SOIC

1339-31DCGI IC RTC CLK/CALENDAR I2C 8SOIC

50

-

Tube

Active

Not Verified

Clock/Calendar

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

-

HH:MM:SS (12/24 hr)

YY-MM-DD-dd

I²C, 2-Wire Serial

3.3V ~ 5.5V

1.3V ~ 3.7V

200µA @ 3.63V ~ 5.5V

-40°C ~ 85°C

Surface Mount

8-SOIC (0.154", 3.90mm Width)

8-SOIC

ISL1209IU10Z IC RTC EVENT REC I2C 10MSOP

50

-

Tube

Active

Not Verified

Time Event Recorder

Alarm, Leap Year, SRAM

2B

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

ISL1221IUZ-T IC RTC EVENT REC I2C 10MSOP

1237

-

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

Obsolete

Not Verified

Time Event Recorder

Alarm, Leap Year, SRAM

2B

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

ISL1221IUZ IC RTC EVENT REC I2C 10MSOP

1237

-

Tube

Obsolete

Not Verified

Time Event Recorder

Alarm, Leap Year, SRAM

2B

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

AB-RTCMC-32.768KHZ-EOA9-S3-DBT IC RTC CLK/CALENDAR SPI MODULE

50

-

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

Active

Not Verified

Clock/Calendar

Alarm, EEPROM, Leap Year, Square Wave Output, SRAM, TCXO/Crystal, Trickle-Charger

8B

HH:MM:SS (12/24 hr)

YY-MM-DD-dd

SPI

1.4V ~ 5.5V

1.4V ~ 5.5V

1.5µA ~ 2.2µA @ 1.4V ~ 5V

-40°C ~ 85°C

Surface Mount

10-SMD Module

Module

DS1344D-3+ IC RTC CLK/CALENDAR SPI 14TDFN

50

-

Bulk,Tube

Active

Not Verified

Clock/Calendar

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

96B

HH:MM:SS (12/24 hr)

YY-MM-DD-dd

SPI

2.7V ~ 5.5V

1.3V ~ 5.5V

-

-40°C ~ 85°C

Surface Mount

14-WFDFN Exposed Pad

14-TDFN (3x3)

DS1344D-33+ IC RTC CLK/CALENDAR SPI 14TDFN

50

-

Bulk,Tube

Active

Not Verified

Clock/Calendar

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

96B

HH:MM:SS (12/24 hr)

YY-MM-DD-dd

SPI

3V ~ 5.5V

1.3V ~ 5.5V

120µA ~ 160µA @ 3.63V ~ 5.5V

-40°C ~ 85°C

Surface Mount

14-WFDFN Exposed Pad

14-TDFN (3x3)

RTT21064 XTAL OSC RTC 32.768KHZ SMD

50

-

Tape & Reel (TR)

Active

-

Clock/Calendar

Alarm, Leap Year, RAM

-

HH:MM:SS

YY-MM-DD

I²C

1.25V ~ 5.5V

1.2V ~ 5.5V

5µA ~ 7.8µA @ 1.2V ~ 5.5V

-40°C ~ 85°C

Surface Mount

10-SMD, No Lead

10-SMD

DS1343D-3+ IC RTC CLK/CALENDAR SPI 14TDFN

50

-

Tube

Active

Not Verified

Clock/Calendar

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

96B

HH:MM:SS (12/24 hr)

YY-MM-DD-dd

SPI

2.7V ~ 5.5V

1.3V ~ 5.5V

-

-40°C ~ 85°C

Surface Mount

14-WFDFN Exposed Pad

14-TDFN (3x3)

DS1343D-33+ IC RTC CLK/CALENDAR SPI 14TDFN

50

-

Tube

Active

Not Verified

Clock/Calendar

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

96B

HH:MM:SS (12/24 hr)

YY-MM-DD-dd

SPI

3V ~ 5.5V

1.3V ~ 5.5V

120µA ~ 160µA @ 3.63V ~ 5.5V

-40°C ~ 85°C

Surface Mount

14-WFDFN Exposed Pad

14-TDFN (3x3)

DS1685S-3+T&R IC RTC CLK/CALENDAR PAR 24SOIC

50

-

Tape & Reel (TR)

Active

Not Verified

Clock/Calendar

Alarm, NVSRAM, Square Wave Output, Y2K

242B

HH:MM:SS (12/24 hr)

YY-MM-DD-dd

Parallel

2.7V ~ 3.7V

2.5V ~ 3.7V

2mA @ 3V

0°C ~ 70°C

Surface Mount

24-SOIC (0.295", 7.50mm Width)

24-SOIC

  • DS1344E-33+T&R

    IC RTC CLK/CALENDAR SPI 20TSSOP

    Details
  • ISL12022IBZ-T

    IC RTC CLK/CALENDAR I2C 8SOIC

    Details
  • 1337AGDCGI

    IC RTC CLK/CALENDAR I2C 8SOIC

    Details
  • DS1388Z-3+T&R

    IC RTC CLK/CALENDAR I2C 8SOIC

    Details
  • 1339-31DCGI

    IC RTC CLK/CALENDAR I2C 8SOIC

    Details
  • ISL1209IU10Z

    IC RTC EVENT REC I2C 10MSOP

    Details
  • ISL1221IUZ-T

    IC RTC EVENT REC I2C 10MSOP

    Details
  • ISL1221IUZ

    IC RTC EVENT REC I2C 10MSOP

    Details
  • AB-RTCMC-32.768KHZ-EOA9-S3-DBT

    IC RTC CLK/CALENDAR SPI MODULE

    Details
  • DS1344D-3+

    IC RTC CLK/CALENDAR SPI 14TDFN

    Details
  • DS1344D-33+

    IC RTC CLK/CALENDAR SPI 14TDFN

    Details
  • RTT21064

    XTAL OSC RTC 32.768KHZ SMD

    Details
  • DS1343D-3+

    IC RTC CLK/CALENDAR SPI 14TDFN

    Details
  • DS1343D-33+

    IC RTC CLK/CALENDAR SPI 14TDFN

    Details
  • DS1685S-3+T&R

    IC RTC CLK/CALENDAR PAR 24SOIC

    Details

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