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

PCF2127AT/2Y IC RTC CLOCK/CALENDAR I2C 20SO

50

-

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

Active

Not Verified

Clock/Calendar

Alarm, Leap Year, Square Wave Output, SRAM, TCXO/Crystal, Watchdog Timer

512B

HH:MM:SS (12/24 hr)

YY-MM-DD-dd

I²C, 2-Wire Serial

1.8V ~ 4.2V

1.8V ~ 4.2V

1.5µA @ 3.3V

-40°C ~ 85°C

Surface Mount

20-SOIC (0.295", 7.50mm Width)

20-SO

ISL12057IBZ IC RTC CLK/CALENDAR I2C 8SOIC

50

-

Tube

Active

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-SOIC (0.154", 3.90mm Width)

8-SOIC

PCF2127T/2Y IC RTC CLOCK/CALENDAR I2C 16SO

50

-

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

Active

Not Verified

Clock/Calendar

Alarm, Leap Year, Square Wave Output, SRAM, TCXO/Crystal, Watchdog Timer

512B

HH:MM:SS (12/24 hr)

YY-MM-DD-dd

I²C, 2-Wire Serial

1.8V ~ 4.2V

1.8V ~ 4.2V

1.5µA @ 3.3V

-40°C ~ 85°C

Surface Mount

16-SOIC (0.295", 7.50mm Width)

16-SO

PCF2129T/2,518 IC RTC CLOCK/CALENDAR I2C 16SO

50

-

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

Active

Not Verified

Clock/Calendar

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

-

HH:MM:SS (12/24 hr)

YY-MM-DD-dd

I²C, 2-Wire Serial

1.8V ~ 4.2V

1.8V ~ 4.2V

1.5µA @ 3.3V

-40°C ~ 85°C

Surface Mount

16-SOIC (0.295", 7.50mm Width)

16-SO

DS1371U+ IC RTC BINARY COUNTER I2C 8UMAX

50

-

Tube

Active

Not Verified

Binary Counter

Alarm, Square Wave Output, Watchdog Timer

-

Binary

Binary

I²C, 2-Wire Serial

1.7V ~ 5.5V

-

1.3µA @ 1.7V ~ 5.5V

-40°C ~ 85°C

Surface Mount

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

8-uMAX/uSOP

DS1374C-33#T&R IC RTC BINARY COUNTER I2C 16SOIC

50

-

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

Active

Not Verified

Binary Counter

Alarm, Square Wave Output, Trickle-Charger, Watchdog Timer

-

Binary

Binary

I²C, 2-Wire Serial

2.97V ~ 5.5V

1.3V ~ 5.5V

175µA @ 2.97V ~ 5.5V

-40°C ~ 85°C

Surface Mount

16-SOIC (0.295", 7.50mm Width)

16-SOIC

MAX31328NELB+ IC RTC CLK/CALENDAR I2C 10LGA

50

-

Tray

Active

Not Verified

Clock/Calendar

Alarm

-

HH:MM:SS (12/24 hr)

YY-MM-DD

I²C

2.3V ~ 5.5V

2.3V ~ 5.5V

3µA ~ 3.5µA @ 3V ~ 5.5V

-40°C ~ 85°C

Surface Mount

10-LLGA

10-LGA (5x5)

DS1302N+ IC RTC CLK/CALENDAR SER 8DIP

50

-

Tube

Active

Not Verified

Clock/Calendar

Leap Year, NVSRAM, Trickle-Charger

31B

HH:MM:SS (12/24 hr)

YY-MM-DD-dd

3-Wire Serial

2V ~ 5.5V

2V ~ 5.5V

0.3µA ~ 1µA @ 2V ~ 5V

-40°C ~ 85°C

Through Hole

8-DIP (0.300", 7.62mm)

8-PDIP

DS1337C# IC RTC CLK/CALENDAR I2C 16SOIC

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

-

0.6µA @ 1.3V ~ 1.8V

-40°C ~ 85°C

Surface Mount

16-SOIC (0.295", 7.50mm Width)

16-SOIC

ISL12022MIBZ IC RTC CLK/CALENDAR I2C 20SOIC

50

-

Tube

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

20-SOIC (0.295", 7.50mm Width)

20-SOIC

DS1339C-33# IC RTC CLK/CALENDAR I2C 16SOIC

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

2.97V ~ 5.5V

1.3V ~ 3.7V

200µA @ 5.5V

-40°C ~ 85°C

Surface Mount

16-SOIC (0.295", 7.50mm Width)

16-SOIC

DS1306N+ IC RTC CLK/CALENDAR SPI 16DIP

1334

-

Tube

Active

Not Verified

Clock/Calendar

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

96B

HH:MM:SS (12/24 hr)

YY-MM-DD-dd

SPI

2V ~ 5.5V

2V ~ 5.5V

25.3µA ~ 81µA @ 2V ~ 5V

-40°C ~ 85°C

Through Hole

16-DIP (0.300", 7.62mm)

16-PDIP

DS1687-3IND+ IC RTC CLK/CALENDAR PAR 24EDIP

1235

-

Tube

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

-40°C ~ 85°C

Through Hole

24-DIP Module (0.600", 15.24mm)

24-EDIP

DS1744P-70IND+ IC RTC CLK/CALENDAR PAR 34PCM

50

-

Tray

Active

Not Verified

Clock/Calendar

Leap Year, NVSRAM, Y2K

32KB

HH:MM:SS (24 hr)

YY-MM-DD-dd

Parallel

4.5V ~ 5.5V

3V

4mA @ 5V

-40°C ~ 85°C

Surface Mount

34-PowerCap™ Module

34-PowerCap Module

PCF8563T/5,518 IC RTC CLOCK/CALENDAR I2C 8SO

50

-

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-SOIC (0.154", 3.90mm Width)

8-SO

  • PCF2127AT/2Y

    IC RTC CLOCK/CALENDAR I2C 20SO

    Details
  • ISL12057IBZ

    IC RTC CLK/CALENDAR I2C 8SOIC

    Details
  • PCF2127T/2Y

    IC RTC CLOCK/CALENDAR I2C 16SO

    Details
  • PCF2129T/2,518

    IC RTC CLOCK/CALENDAR I2C 16SO

    Details
  • DS1371U+

    IC RTC BINARY COUNTER I2C 8UMAX

    Details
  • DS1374C-33#T&R

    IC RTC BINARY COUNTER I2C 16SOIC

    Details
  • MAX31328NELB+

    IC RTC CLK/CALENDAR I2C 10LGA

    Details
  • DS1302N+

    IC RTC CLK/CALENDAR SER 8DIP

    Details
  • DS1337C#

    IC RTC CLK/CALENDAR I2C 16SOIC

    Details
  • ISL12022MIBZ

    IC RTC CLK/CALENDAR I2C 20SOIC

    Details
  • DS1339C-33#

    IC RTC CLK/CALENDAR I2C 16SOIC

    Details
  • DS1306N+

    IC RTC CLK/CALENDAR SPI 16DIP

    Details
  • DS1687-3IND+

    IC RTC CLK/CALENDAR PAR 24EDIP

    Details
  • DS1744P-70IND+

    IC RTC CLK/CALENDAR PAR 34PCM

    Details
  • PCF8563T/5,518

    IC RTC CLOCK/CALENDAR I2C 8SO

    Details

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