Clock/Timing - Real Time Clocks

IC RTC CLK/CALENDAR I2C 8-MSOP

Tape & Reel (TR)

Active

Clock/Calendar

Alarm, Leap Year, SRAM

HH:MM:SS (12/24 hr)

YY-MM-DD-dd

I²C, 2-Wire Serial

2.7 V ~ 5.5 V

1.8 V ~ 5.5 V

4µA ~ 6µA @ 3V ~ 5V

-40°C ~ 85°C

Surface Mount

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

8-MSOP

ISL12026IBZ-T7A

250+	2.5211
500+	2.26216
1250+	1.90784
2500+	1.81245

Increments of 250

Leadtime
2-3 weeks

IC RTC CLK/CALENDAR I2C 8-SOIC

Tape & Reel (TR)

Active

Clock/Calendar

Alarm, Leap Year

HH:MM:SS (12/24 hr)

YY-MM-DD-dd

I²C, 2-Wire Serial

2.7 V ~ 5.5 V

1.8 V ~ 5.5 V

10µA ~ 20µA @ 2.7V ~ 5.5V

-40°C ~ 85°C

Surface Mount

8-SOIC (0.154", 3.90mm Width)

8-SOIC

ISL12022MIBZ-TR5421

1000+

3.37647

Increments of 1000

Leadtime
2-3 weeks

IC RTC CLK/CALENDAR I2C 20-SOIC

Tape & Reel (TR)

Active

Clock/Calendar

Alarm, Daylight Savings, Leap Year, SRAM

128B

HH:MM:SS (12/24 hr)

YY-MM-DD-dd

I²C, 2-Wire Serial

2.7 V ~ 5.5 V

1.8 V ~ 5.5 V

14µA ~ 15µA @ 3V ~ 5V

-40°C ~ 85°C

Surface Mount

20-SOIC (0.295", 7.50mm Width)

20-SOIC

ISL12022MIBZR5421

760+

4.00354

Increments of 760

Leadtime
2-3 weeks

IC RTC CLK/CALENDAR I2C 20-SOIC

Tube

Active

Clock/Calendar

Alarm, Daylight Savings, Leap Year, SRAM

128B

HH:MM:SS (12/24 hr)

YY-MM-DD-dd

I²C, 2-Wire Serial

2.7 V ~ 5.5 V

1.8 V ~ 5.5 V

14µA ~ 15µA @ 3V ~ 5V

-40°C ~ 85°C

Surface Mount

20-SOIC (0.295", 7.50mm Width)

20-SOIC

ISL1208IB8Z-T7A

250+	1.86275
500+	1.6299
1250+	1.35049
2500+	1.25735
6250+	1.21078

Increments of 250

Leadtime
2-3 weeks

IC RTC CLK/CALENDAR I2C 8-SOIC

Tape & Reel (TR)

Active

Clock/Calendar

Alarm, Leap Year, SRAM

HH:MM:SS (12/24 hr)

YY-MM-DD-dd

I²C, 2-Wire Serial

2.7 V ~ 5.5 V

1.8 V ~ 5.5 V

4µA ~ 6µA @ 3V ~ 5V

-40°C ~ 85°C

Surface Mount

8-SOIC (0.154", 3.90mm Width)

8-SOIC

ISL12022MIBZ-T7A

Leadtime
2-3 weeks

IC RTC CLK/CALENDAR I2C 20-SOIC

Tape & Reel (TR)

Obsolete

Clock/Calendar

Alarm, Daylight Savings, Leap Year, SRAM

128B

HH:MM:SS (12/24 hr)

YY-MM-DD-dd

I²C, 2-Wire Serial

2.7 V ~ 5.5 V

1.8 V ~ 5.5 V

14µA ~ 15µA @ 3V ~ 5V

-40°C ~ 85°C

Surface Mount

20-SOIC (0.295", 7.50mm Width)

20-SOIC

ISL12022IBZ-T7A

250+	3.39169
500+	3.04333
1250+	2.56667
2500+	2.43833

Increments of 250

Leadtime
2-3 weeks

IC RTC CLK/CALENDAR I2C 8-SOIC

Tape & Reel (TR)

Active

Clock/Calendar

Alarm, Daylight Savings, Leap Year, SRAM

128B

HH:MM:SS (12/24 hr)

YY-MM-DD-dd

I²C, 2-Wire Serial

2.7 V ~ 5.5 V

1.8 V ~ 5.5 V

14µA ~ 15µA @ 3V ~ 5V

-40°C ~ 85°C

Surface Mount

8-SOIC (0.154", 3.90mm Width)

8-SOIC

ISL12020MIRZ-T7A

250+	4.83333
500+	4.40686
1250+	3.83824
2500+	3.69608

Increments of 250

Leadtime
2-3 weeks

IC RTC CLK/CALENDAR I2C 20-DFN

Tape & Reel (TR)

Active

Clock/Calendar

Alarm, Daylight Savings, Leap Year, SRAM

128B

HH:MM:SS (12/24 hr)

YY-MM-DD-dd

I²C, 2-Wire Serial

2.7 V ~ 5.5 V

1.8 V ~ 5.5 V

14µA ~ 15µA @ 3V ~ 5V

-40°C ~ 85°C

Surface Mount

20-PowerLFDFN

20-DFN (5.5x4.0)

RX-4801JE:UB

Leadtime
2-3 weeks

EPSON

IC RTC CLK/CALENDAR SPI 20-VSOJ

Bulk

Obsolete

Clock/Calendar

Alarm, Leap Year

128b (16 x 8)

HH:MM:SS (24 hr)

YY-MM-DD-dd

SPI

1.6 V ~ 5.5 V

2.1µA ~ 3.4µA @ 3V ~ 5V

-40°C ~ 85°C

Surface Mount

20-LSSOJ (0.213", 5.40mm Width)

20-VSOJ

MCP79410T-I/SN

3300+

0.797745

Increments of 3300

Leadtime
2-3 weeks

IC RTC CLK/CALENDAR I2C 8-SOIC

Tape & Reel (TR)

Active

Clock/Calendar

Alarm, Leap Year, Square Wave Output, SRAM, Unique ID

64B

HH:MM:SS (12/24 hr)

YY-MM-DD-dd

I²C, 2-Wire Serial

1.8 V ~ 5.5 V

1.3 V ~ 5.5 V

1.2µA @ 3.3V

-40°C ~ 85°C

Surface Mount

8-SOIC (0.154", 3.90mm Width)

8-SOIC

MCP79410T-I/MS

2500+

0.828039

Increments of 2500

Leadtime
2-3 weeks

IC RTC CLK/CALENDAR I2C 8-MSOP

Tape & Reel (TR)

Active

Clock/Calendar

Alarm, Leap Year, Square Wave Output, SRAM, Unique ID

64B

HH:MM:SS (12/24 hr)

YY-MM-DD-dd

I²C, 2-Wire Serial

1.8 V ~ 5.5 V

1.3 V ~ 5.5 V

1.2µA @ 3.3V

-40°C ~ 85°C

Surface Mount

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

8-MSOP

MCP79410T-I/ST

2500+

0.828039

Increments of 2500

Leadtime
2-3 weeks

IC RTC CLK/CALENDAR I2C 8-TSSOP

Tape & Reel (TR)

Active

Clock/Calendar

Alarm, Leap Year, Square Wave Output, SRAM, Unique ID

64B

HH:MM:SS (12/24 hr)

YY-MM-DD-dd

I²C, 2-Wire Serial

1.8 V ~ 5.5 V

1.3 V ~ 5.5 V

1.2µA @ 3.3V

-40°C ~ 85°C

Surface Mount

8-TSSOP (0.173", 4.40mm Width)

8-TSSOP

MCP79410T-I/MNY-Cut

MCP79410T-I/MNY

1+	0.990196
25+	0.918824
100+	0.896373

Increments of 1

Leadtime
2-3 weeks

IC RTC CLK/CALENDAR I2C 8-TDFN

Cut Tape (CT)

Active

Clock/Calendar

Alarm, Leap Year, Square Wave Output, SRAM, Unique ID

64B

HH:MM:SS (12/24 hr)

YY-MM-DD-dd

I²C, 2-Wire Serial

1.8 V ~ 5.5 V

1.3 V ~ 5.5 V

1.2µA @ 3.3V

-40°C ~ 85°C

Surface Mount

8-WFDFN Exposed Pad

8-TDFN (2x3)

MCP79410T-I/MNY

3300+

0.870961

Increments of 3300

Leadtime
2-3 weeks

IC RTC CLK/CALENDAR I2C 8-TDFN

Tape & Reel (TR)

Active

Clock/Calendar

Alarm, Leap Year, Square Wave Output, SRAM, Unique ID

64B

HH:MM:SS (12/24 hr)

YY-MM-DD-dd

I²C, 2-Wire Serial

1.8 V ~ 5.5 V

1.3 V ~ 5.5 V

1.2µA @ 3.3V

-40°C ~ 85°C

Surface Mount

8-WFDFN Exposed Pad

8-TDFN (2x3)

MCP79410-I/ST

1+	0.95098
25+	0.878431
100+	0.828039

Increments of 1

Leadtime
2-3 weeks

IC RTC CLK/CALENDAR I2C 8-TSSOP

Tube

Active

Clock/Calendar

Alarm, Leap Year, Square Wave Output, SRAM, Unique ID

64B

HH:MM:SS (12/24 hr)

YY-MM-DD-dd

I²C, 2-Wire Serial

1.8 V ~ 5.5 V

1.3 V ~ 5.5 V

1.2µA @ 3.3V

-40°C ~ 85°C

Surface Mount

8-TSSOP (0.173", 4.40mm Width)

8-TSSOP

MCP79410-I/SN

1+	0.911765
25+	0.838039
100+	0.797745

Increments of 1

Leadtime
2-3 weeks

IC RTC CLK/CALENDAR I2C 8-SOIC

Tube

Active

Clock/Calendar

Alarm, Leap Year, Square Wave Output, SRAM, Unique ID

64B

HH:MM:SS (12/24 hr)

YY-MM-DD-dd

I²C, 2-Wire Serial

1.8 V ~ 5.5 V

1.3 V ~ 5.5 V

1.2µA @ 3.3V

-40°C ~ 85°C

Surface Mount

8-SOIC (0.154", 3.90mm Width)

8-SOIC

MCP79410-I/MS

1+	0.95098
25+	0.878431
100+	0.828039

Increments of 1

Leadtime
2-3 weeks

IC RTC CLK/CALENDAR I2C 8-MSOP

Tube

Active

Clock/Calendar

Alarm, Leap Year, Square Wave Output, SRAM, Unique ID

64B

HH:MM:SS (12/24 hr)

YY-MM-DD-dd

I²C, 2-Wire Serial

1.8 V ~ 5.5 V

1.3 V ~ 5.5 V

1.2µA @ 3.3V

-40°C ~ 85°C

Surface Mount

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

8-MSOP

PT7C4337WEX-Cut

PT7C4337WEX

1+	1.48039
10+	1.31471
25+	1.18745
100+	1.03912
250+	0.911843

Increments of 1

Leadtime
2-3 weeks

IC RTC CLK/CALENDAR I2C 8-SOIC

Cut Tape (CT)

Active

Clock/Calendar

Alarm, Leap Year, Square Wave Output

HH:MM:SS (12/24 hr)

YY-MM-DD-dd

I²C, 2-Wire Serial

1.8 V ~ 5.5 V

0.8µA @ 1.3V ~ 1.8V

-40°C ~ 85°C

Surface Mount

8-SOIC (0.154", 3.90mm Width)

8-SOIC

PT7C4311WEX-Cut

PT7C4311WEX

1+	1.55882
10+	1.37745
25+	1.24392
100+	1.08853
250+	0.955294

Increments of 1

Leadtime
2-3 weeks

IC RTC CLK/CALENDAR I2C 8-SOIC

Cut Tape (CT)

Active

Clock/Calendar

Leap Year, Square Wave Output, Y2K

56B

HH:MM:SS (24 hr)

YY-MM-DD-dd

I²C, 2-Wire Serial

1.2 V ~ 5.5 V

2 V ~ 5.5 V

70µA @ 1.5V ~ 5.5V

-40°C ~ 85°C

Surface Mount

8-SOIC (0.154", 3.90mm Width)

8-SOIC

PT7C4307WEX-Cut

PT7C4307WEX

1+	1.52941
10+	1.38529
25+	1.23686
100+	1.11333
250+	0.989608

Increments of 1

Leadtime
2-3 weeks

IC RTC CLK/CALENDAR I2C 8-SOIC

Cut Tape (CT)

Active

Clock/Calendar

Alarm, Leap Year, NVSRAM, Square Wave Output

56B

HH:MM:SS (12/24 hr)

YY-MM-DD-dd

I²C, 2-Wire Serial

4.5 V ~ 5.5 V

2 V ~ 3.5 V

1.5mA @ 4.5V ~ 5.5V

-40°C ~ 85°C

Surface Mount

8-SOIC (0.154", 3.90mm Width)

8-SOIC

PT7C4302WEX-Cut

PT7C4302WEX

1+	1.52941
10+	1.38529
25+	1.23686
100+	1.11333
250+	0.989608

Increments of 1

Leadtime
2-3 weeks

IC RTC CLK/CALENDAR SER 8-SOIC

Cut Tape (CT)

Active

Clock/Calendar

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

31B

HH:MM:SS (12/24 hr)

YY-MM-DD-dd

3-Wire Serial

1.2 V ~ 5.5 V

1.5 V ~ 5.5 V

25.3µA ~ 81µA @ 2V ~ 5V

-40°C ~ 85°C

Surface Mount

8-SOIC (0.154", 3.90mm Width)

8-SOIC

PT7C4307WEX

2500+	0.672549
5000+	0.638922
12500+	0.614902

Increments of 2500

Leadtime
2-3 weeks

IC RTC CLK/CALENDAR I2C 8-SOIC

Tape & Reel (TR)

Active

Clock/Calendar

Alarm, Leap Year, NVSRAM, Square Wave Output

56B

HH:MM:SS (12/24 hr)

YY-MM-DD-dd

I²C, 2-Wire Serial

4.5 V ~ 5.5 V

2 V ~ 3.5 V

1.5mA @ 4.5V ~ 5.5V

-40°C ~ 85°C

Surface Mount

8-SOIC (0.154", 3.90mm Width)

8-SOIC

PT7C4302WEX

2500+	0.672549
5000+	0.638922
12500+	0.614902

Increments of 2500

Leadtime
2-3 weeks

IC RTC CLK/CALENDAR SER 8-SOIC

Tape & Reel (TR)

Active

Clock/Calendar

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

31B

HH:MM:SS (12/24 hr)

YY-MM-DD-dd

3-Wire Serial

1.2 V ~ 5.5 V

1.5 V ~ 5.5 V

25.3µA ~ 81µA @ 2V ~ 5V

-40°C ~ 85°C

Surface Mount

8-SOIC (0.154", 3.90mm Width)

8-SOIC

PT7C4311WEX

2500+	0.603922
5000+	0.573726
12500+	0.552157

Increments of 2500

Leadtime
2-3 weeks

IC RTC CLK/CALENDAR I2C 8-SOIC

Tape & Reel (TR)

Active

Clock/Calendar

Leap Year, Square Wave Output, Y2K

56B

HH:MM:SS (24 hr)

YY-MM-DD-dd

I²C, 2-Wire Serial

1.2 V ~ 5.5 V

2 V ~ 5.5 V

70µA @ 1.5V ~ 5.5V

-40°C ~ 85°C

Surface Mount

8-SOIC (0.154", 3.90mm Width)

8-SOIC

PT7C4337WEX

2500+	0.576471
5000+	0.547647
12500+	0.527059

Increments of 2500

Leadtime
2-3 weeks