Clock/Timing - Real Time Clocks

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Manufacturer	Packaging	Series	Part Status	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

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Supplier Part Number

Manufacturer Part Number

Price

Stock

Manufacturer

Description

Packaging

Series

Part Status

Type

Features

Memory Size

Time Format

Date Format

Interface

Voltage - Supply

Voltage - Supply, ...

Current - Timekeeping ...

Operating Temperature ...

Mounting Type

Package / Case

Supplier Device Package ...

RX-8581SA:B3:ROHS-Cut

RX-8581SA:B3:ROHS

1+	4.18627
10+	3.73627
25+	3.36275
100+	3.06373

Increments of 1

Leadtime
2-3 weeks

EPSON

IC RTC CLK/CALENDAR I2C 14-SOP

Cut Tape (CT)

Active

Clock/Calendar

Alarm, Leap Year

HH:MM:SS (24 hr)

YY-MM-DD-dd

I²C, 2-Wire Serial

1.8 V ~ 5.5 V

0.8µA ~ 1.2µA @ 3V ~ 5V

-40°C ~ 85°C

Surface Mount

14-SOIC (0.209", 5.30mm Width)

14-SOP

RTC-8564JE:B3:ROHS

250+	3.13776
500+	2.81549
750+	2.54412
1250+	2.37451
2500+	2.25578

Increments of 250

Leadtime
2-3 weeks

EPSON

IC RTC CLK/CALENDAR I2C 20-VSOJ

Tape & Reel (TR)

Active

Clock/Calendar

Alarm, Y2K

HH:MM:SS

YY-MM-DD-dd

I²C, 2-Wire Serial

1.8 V ~ 5.5 V

0.7µA ~ 0.8µA @ 3V ~ 5V

-40°C ~ 85°C

Surface Mount

20-LSSOJ (0.213", 5.40mm Width)

20-VSOJ

RTC-62423A:3:ROHS

Leadtime
2-3 weeks

EPSON

IC RTC CLK/CALENDAR PAR 24-SOP

Tape & Reel (TR)

Obsolete

Clock/Calendar

Leap Year

HH:MM:SS (12/24 hr)

YY-MM-DD-dd

Parallel

4.5 V ~ 5.5 V

1.8µA ~ 3µA @ 2V ~ 5V

-40°C ~ 85°C

Surface Mount

24-SOIC (0.311", 7.90mm Width)

24-SOP

RTC-62421B:ROHS

Leadtime
2-3 weeks

EPSON

IC RTC CLK/CALENDAR PAR 18-DIP

Tube

Obsolete

Clock/Calendar

Leap Year

HH:MM:SS (12/24 hr)

YY-MM-DD-dd

Parallel

4.5 V ~ 5.5 V

1.8µA ~ 3µA @ 2V ~ 5V

-40°C ~ 85°C

Through Hole

18-DIP (0.300", 7.62mm)

18-DIP

RTC-62421A:ROHS

Leadtime
2-3 weeks

EPSON

IC RTC CLK/CALENDAR PAR 18-DIP

Tube

Obsolete

Clock/Calendar

Leap Year

HH:MM:SS (12/24 hr)

YY-MM-DD-dd

Parallel

4.5 V ~ 5.5 V

1.8µA ~ 3µA @ 2V ~ 5V

-40°C ~ 85°C

Through Hole

18-DIP (0.300", 7.62mm)

18-DIP

RTC-4543SA:A0:ROHS

1000+	1.97647
2000+	1.87765
5000+	1.80706

Increments of 1000

Leadtime
2-3 weeks

EPSON

IC RTC CLK/CALENDAR SER 14-SOIC

Tape & Reel (TR)

Active

Clock/Calendar

Leap Year

HH:MM:SS (24 hr)

YY-MM-DD-dd

3-Wire Serial

2.5 V ~ 5.5 V

1µA ~ 3µA @ 2V ~ 5V

-40°C ~ 85°C

Surface Mount

14-SOIC (0.209", 5.30mm Width)

14-SOP

RTC-72423B:3:ROHS

250+

5.31863

Increments of 250

Leadtime
2-3 weeks

EPSON

IC RTC CLK/CALENDAR PAR 24-SOP

Tape & Reel (TR)

Active

Clock/Calendar

Leap Year

HH:MM:SS (12/24 hr)

YY-MM-DD-dd

Parallel

4.5 V ~ 5.5 V

5µA ~ 10µA @ 2V ~ 5V

-40°C ~ 85°C

Surface Mount

24-SOIC (0.311", 7.90mm Width)

24-SOP

RTC-72423B:ROHS

250+

5.31863

Increments of 250

Leadtime
2-3 weeks

EPSON

IC RTC CLK/CALENDAR PAR 24-SOP

Tube

Active

Clock/Calendar

Leap Year

HH:MM:SS (12/24 hr)

YY-MM-DD-dd

Parallel

4.5 V ~ 5.5 V

5µA ~ 10µA @ 2V ~ 5V

-40°C ~ 85°C

Surface Mount

24-SOIC (0.311", 7.90mm Width)

24-SOP

RTC-72423A:3:ROHS

250+

5.31863

Increments of 250

Leadtime
2-3 weeks

EPSON

IC RTC CLK/CALENDAR PAR 24-SOP

Tape & Reel (TR)

Active

Clock/Calendar

Leap Year

HH:MM:SS (12/24 hr)

YY-MM-DD-dd

Parallel

4.5 V ~ 5.5 V

5µA ~ 10µA @ 2V ~ 5V

-40°C ~ 85°C

Surface Mount

24-SOIC (0.311", 7.90mm Width)

24-SOP

RTC-72423A:ROHS

250+

5.83333

Increments of 250

Leadtime
2-3 weeks

EPSON

IC RTC CLK/CALENDAR PAR 24-SOP

Tube

Active

Clock/Calendar

Leap Year

HH:MM:SS (12/24 hr)

YY-MM-DD-dd

Parallel

4.5 V ~ 5.5 V

5µA ~ 10µA @ 2V ~ 5V

-40°C ~ 85°C

Surface Mount

24-SOIC (0.311", 7.90mm Width)

24-SOP

RTC-72421B:ROHS

250+

4.51765

Increments of 250

Leadtime
2-3 weeks

EPSON

IC RTC CLK/CALENDAR PAR 18-DIP

Tube

Active

Clock/Calendar

Leap Year

HH:MM:SS (12/24 hr)

YY-MM-DD-dd

Parallel

4.5 V ~ 5.5 V

5µA ~ 10µA @ 2V ~ 5V

-10°C ~ 70°C

Through Hole

18-DIP (0.300", 7.62mm)

18-DIP

RTC-72421A:ROHS

1+	7.54902
10+	6.79412
25+	6.1902
100+	5.58627
250+	5.13333

Increments of 1

Leadtime
2-3 weeks

EPSON

IC RTC CLK/CALENDAR PAR 18-DIP

Tube

Active

Clock/Calendar

Leap Year

HH:MM:SS (12/24 hr)

YY-MM-DD-dd

Parallel

4.5 V ~ 5.5 V

5µA ~ 10µA @ 2V ~ 5V

-10°C ~ 70°C

Through Hole

18-DIP (0.300", 7.62mm)

18-DIP

DS1672U-33+T&R

3000+

1.32

Increments of 3000

Leadtime
2-3 weeks

Maxim Integrated

IC RTC BINARY CNT I2C 8-USOP

Tape & Reel (TR)

Active

Binary Counter

Trickle-Charger

Binary

I²C, 2-Wire Serial

2.97 V ~ 3.63 V

1.3 V ~ 3.63 V

500µA @ 3.63V

-40°C ~ 85°C

Surface Mount

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

8-uMAX

DS1337U+T&R

3000+

1.164

Increments of 3000

Leadtime
2-3 weeks

Maxim Integrated

IC RTC CLK/CALENDAR I2C 8-USOP

Tape & Reel (TR)

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

0.6µA @ 1.3V ~ 1.8V

-40°C ~ 85°C

Surface Mount

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

8-uMAX

DS1338U-33+T&R

3000+

1.50001

Increments of 3000

Leadtime
2-3 weeks

Maxim Integrated

IC RTC CLK/CALENDAR I2C 8-USOP

Tape & Reel (TR)

Active

Clock/Calendar

Leap Year, NVSRAM, Square Wave Output

56B

HH:MM:SS (12/24 hr)

YY-MM-DD-dd

I²C, 2-Wire Serial

3 V ~ 5.5 V

1.3 V ~ 3.7 V

125µA ~ 200µA @ 3.63V ~ 5.5V

-40°C ~ 85°C

Surface Mount

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

8-uMAX

DS1340U-33+T&R

3000+

1.50001

Increments of 3000

Leadtime
2-3 weeks

Maxim Integrated

IC RTC CLK/CALENDAR I2C 8-USOP

Tape & Reel (TR)

Active

Clock/Calendar

Leap Year, Trickle-Charger

HH:MM:SS (24 hr)

YY-MM-DD-dd

I²C, 2-Wire Serial

2.97 V ~ 5.5 V

1.3 V ~ 5.5 V

150µA @ 5.5V

-40°C ~ 85°C

Surface Mount

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

8-uMAX

DS1340U-3+T&R

3000+

1.548

Increments of 3000

Leadtime
2-3 weeks

Maxim Integrated

IC RTC CLK/CALENDAR I2C 8-USOP

Tape & Reel (TR)

Active

Clock/Calendar

Leap Year, Trickle-Charger

HH:MM:SS (24 hr)

YY-MM-DD-dd

I²C, 2-Wire Serial

2.7 V ~ 5.5 V

1.3 V ~ 3.7 V

125µA @ 3.3V

-40°C ~ 85°C

Surface Mount

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

8-uSOP

DS1501WE+T&R

Leadtime
2-3 weeks

Maxim Integrated

IC RTC CLK/CALENDAR PAR 28-TSOP

Tape & Reel (TR)

Obsolete

Clock/Calendar

Alarm, Leap Year, NVSRAM, Square Wave Output, Watchdog Timer, Y2K

256B

HH:MM:SS (24 hr)

YY-MM-DD-dd

Parallel

3 V ~ 3.6 V

2.5 V ~ 3.7 V

4mA @ 3V ~ 3.6V

0°C ~ 70°C

Surface Mount

28-TSSOP (0.465", 11.80mm Width)

28-TSOP

DS1672S-3+T&R

2500+

1.296

Increments of 2500

Leadtime
2-3 weeks

Maxim Integrated

IC RTC BINARY CNT I2C 8-SOIC

Tape & Reel (TR)

Active

Binary Counter

Trickle-Charger

Binary

I²C, 2-Wire Serial

2.7 V ~ 3.3 V

1.3 V ~ 3.63 V

500µA @ 3.3V

-40°C ~ 85°C

Surface Mount

8-SOIC (0.154", 3.90mm Width)

8-SO

DS1307Z+T&R

2500+

1.452

Increments of 2500

Leadtime
2-3 weeks

Maxim Integrated

IC RTC CLK/CALENDAR I2C 8-SOIC

Tape & Reel (TR)

Active

Clock/Calendar

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

200µA @ 5V

0°C ~ 70°C

Surface Mount

8-SOIC (0.154", 3.90mm Width)

8-SOIC

DS1501WEN+T&R

Leadtime
2-3 weeks

Maxim Integrated

IC RTC CLK/CALENDAR PAR 28-TSOP

Tape & Reel (TR)

Obsolete

Clock/Calendar

Alarm, Leap Year, NVSRAM, Square Wave Output, Watchdog Timer, Y2K

256B

HH:MM:SS (24 hr)

YY-MM-DD-dd

Parallel

3 V ~ 3.6 V

2.5 V ~ 3.7 V

4mA @ 3V ~ 3.6V

-40°C ~ 85°C

Surface Mount

28-TSSOP (0.465", 11.80mm Width)

28-TSOP

DS1672S-33+T&R

2500+

1.32

Increments of 2500

Leadtime
2-3 weeks

Maxim Integrated

IC RTC BINARY CNT I2C 8-SOIC

Tape & Reel (TR)

Active

Binary Counter

Trickle-Charger

Binary

I²C, 2-Wire Serial

2.97 V ~ 3.63 V

1.3 V ~ 3.63 V

500µA @ 3.63V

-40°C ~ 85°C

Surface Mount

8-SOIC (0.154", 3.90mm Width)

8-SOIC

DS1337S+T&R

2500+

1.164

Increments of 2500

Leadtime
2-3 weeks

Maxim Integrated

IC RTC CLK/CALENDAR I2C 8-SOIC

Tape & Reel (TR)

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

0.6µA @ 1.3V ~ 1.8V

-40°C ~ 85°C

Surface Mount

8-SOIC (0.154", 3.90mm Width)

8-SOIC

DS1673E-3+T&R

2500+

4.32

Increments of 2500

Leadtime
2-3 weeks

Maxim Integrated

IC RTC SYSTEM CTRLR SER 20-TSSOP

Tape & Reel (TR)

Active

Portable System Controller

Alarm, Leap Year, Watchdog Timer

HH:MM:SS (12/24 hr)

YY-MM-DD-dd

3-Wire Serial

2.7 V ~ 3.3 V

2.5 V ~ 3.7 V

100µA @ 3V

0°C ~ 70°C

Surface Mount

20-TSSOP (0.173", 4.40mm Width)

20-TSSOP

DS1682S+T&R

2500+

2.268

Increments of 2500

Leadtime
2-3 weeks

Maxim Integrated

IC RTC ELAPSED CNT I2C 8-SOIC

Tape & Reel (TR)

Active

Elapsed Time Counter

Alarm, EEPROM

10B

Binary

I²C, 2-Wire Serial

2.5 V ~ 5.5 V

4µA ~ 15µA @ 3V ~ 5.5V

-40°C ~ 85°C

Surface Mount

8-SOIC (0.154", 3.90mm Width)

8-SOIC

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