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 ...

BQ4285EP

Leadtime
2-3 weeks

Texas Instruments

IC RTC CLK/CALENDAR PAR 24-DIP

Tube

Obsolete

Clock/Calendar

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

114B

HH:MM:SS (12/24 hr)

YY-MM-DD-dd

Parallel

4.5 V ~ 5.5 V

2.5 V ~ 4 V

300µA @ 5V

0°C ~ 70°C

Through Hole

24-DIP (0.600", 15.24mm)

24-PDIP

BQ3287EMT

Leadtime
2-3 weeks

Texas Instruments

IC RTC CLK/CALENDAR PAR 24-DIP

Tube

Obsolete

Clock/Calendar

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

242B

HH:MM:SS (12/24 hr)

YY-MM-DD-dd

Parallel

4.5 V ~ 5.5 V

0°C ~ 70°C

Through Hole

24-DIP Module (0.61", 15.49mm)

24-DIP Module (18.42x18.72)

BQ3287EAMT

Leadtime
2-3 weeks

Texas Instruments

IC RTC CLK/CALENDAR PAR 24-DIP

Tube

Obsolete

Clock/Calendar

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

242B

HH:MM:SS (12/24 hr)

YY-MM-DD-dd

Parallel

4.5 V ~ 5.5 V

0°C ~ 70°C

Through Hole

24-DIP Module (0.61", 15.49mm)

24-DIP Module (18.42x18.72)

BQ3285S-SB2

1+	6.2451
10+	5.6451
100+	4.67333
500+	4.06951
1000+	3.54441

Increments of 1

Leadtime
2-3 weeks

Texas Instruments

IC RTC CLK/CALENDAR PAR 24-SOP

Tube

Active

Clock/Calendar

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

114B

HH:MM:SS (12/24 hr)

YY-MM-DD-dd

Parallel

4.5 V ~ 5.5 V

2.5 V ~ 4 V

0°C ~ 70°C

Surface Mount

24-SOIC (0.295", 7.50mm Width)

24-SOIC

BQ3285LFSS-A1

100+

4.67333

Increments of 100

Leadtime
2-3 weeks

Texas Instruments

IC RTC CLK/CALENDAR PAR 24-QSOP

Tube

Last Time Buy

Clock/Calendar

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

242B

HH:MM:SS (12/24 hr)

YY-MM-DD-dd

Parallel

2.7 V ~ 5.5 V

2.4 V ~ 4 V

100µA @ 3V

0°C ~ 70°C

Surface Mount

24-SSOP (0.154", 3.90mm Width)

24-SSOP/QSOP

DP8573AVX/NOPB

750+

12.3961

Increments of 750

Leadtime
2-3 weeks

Texas Instruments

IC RTC CLK/CALENDAR PAR 28-PLCC

Tape & Reel (TR)

Active

Clock/Calendar

Alarm, Leap Year

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

YY-MM-DD-dd

Parallel

4.5 V ~ 5.5 V

2.2 V ~ 5.1 V

1µA @ 5V

-40°C ~ 85°C

Surface Mount

28-LCC (J-Lead)

28-PLCC (11.51x11.51)

DP8570AVX/NOPB

750+

18.9818

Increments of 750

Leadtime
2-3 weeks

Texas Instruments

IC RTC CLK/CALENDAR PAR 28-PLCC

Tape & Reel (TR)

Active

Timer Clock Peripheral (TCP)

Alarm, Leap Year

44B

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

YY-MM-DD-dd

Parallel

4.5 V ~ 5.5 V

2.2 V ~ 5.1 V

1µA @ 5V

-40°C ~ 85°C

Surface Mount

28-LCC (J-Lead)

28-PLCC (11.51x11.51)

M48T58Y-70PC1

1+	15.2353
10+	14.002
100+	11.8255
500+	10.5196
1000+	9.64902

Increments of 1

Leadtime
2-3 weeks

STMicroelectronics

IC RTC CLK/CALENDAR PAR 28-DIP

Tube

Timekeeper®

Active

Clock/Calendar

Leap Year

HH:MM:SS (24 hr)

YY-MM-DD-dd

Parallel

4.5 V ~ 5.5 V

3mA @ 4.5V ~ 5.5V

0°C ~ 70°C

Through Hole

28-DIP Module (0.600", 15.24mm)

28-PCDIP, CAPHAT®

BQ4802LYDW

1+	6.30392
10+	5.69118
100+	4.71176
500+	4.10294
1000+	3.57353

Increments of 1

Leadtime
2-3 weeks

Texas Instruments

IC RTC CLK/CALENDAR PAR 28-SOIC

Tube

Active

Clock/Calendar

Alarm, Daylight Savings, Leap Year, Supervisor, Watchdog Timer

HH:MM:SS (12/24 hr)

YY-MM-DD-dd

Parallel

2.7 V ~ 3.6 V

2.4 V ~ 4 V

1.5mA (Typ) @ 2.7 V ~ 3.6 V

0°C ~ 70°C

Surface Mount

28-SOIC (0.295", 7.50mm Width)

28-SOIC

BQ3285P-SB2

1+	6.03922
10+	5.4549
100+	4.51627
500+	3.93275
1000+	3.42529

Increments of 105

Leadtime
2-3 weeks

Texas Instruments

IC RTC CLK/CALENDAR PAR 24-DIP

Tube

Last Time Buy

Clock/Calendar

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

114B

HH:MM:SS (12/24 hr)

YY-MM-DD-dd

Parallel

4.5 V ~ 5.5 V

2.5 V ~ 4 V

0°C ~ 70°C

Through Hole

24-DIP (0.600", 15.24mm)

24-PDIP

BQ3285LDSS

100+

4.67333

Increments of 100

Leadtime
2-3 weeks

Texas Instruments

IC RTC CLK/CALENDAR PAR 24-QSOP

Tube

Last Time Buy

Clock/Calendar

Alarm, Daylight Savings, NVSRAM

242B

HH:MM:SS (12/24 hr)

YY-MM-DD-dd

Parallel

2.7 V ~ 5.5 V

2.4 V ~ 4 V

100µA @ 3V

0°C ~ 70°C

Surface Mount

24-SSOP (0.154", 3.90mm Width)

24-SSOP/QSOP

BQ3285ESS

100+

4.67333

Increments of 100

Leadtime
2-3 weeks

Texas Instruments

IC RTC CLK/CALENDAR PAR 24-QSOP

Tube

Last Time Buy

Clock/Calendar

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

242B

HH:MM:SS (12/24 hr)

YY-MM-DD-dd

Parallel

4.5 V ~ 5.5 V

2.5 V ~ 4 V

300µA @ 5V

0°C ~ 70°C

Surface Mount

24-SSOP (0.154", 3.90mm Width)

24-SSOP/QSOP

BQ3285ES

1+	6.2451
10+	5.6451
100+	4.67333
500+	4.06951
1000+	3.54441

Increments of 1

Leadtime
2-3 weeks

Texas Instruments

IC RTC CLK/CALENDAR PAR 24-SOIC

Tube

Active

Clock/Calendar

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

242B

HH:MM:SS (12/24 hr)

YY-MM-DD-dd

Parallel

4.5 V ~ 5.5 V

2.5 V ~ 4 V

300µA @ 5V

0°C ~ 70°C

Surface Mount

24-SOIC (0.295", 7.50mm Width)

24-SOIC

BQ3285EP

105+

4.51634

Increments of 105

Leadtime
2-3 weeks

Texas Instruments

IC RTC CLK/CALENDAR PAR 24-DIP

Tube

Last Time Buy

Clock/Calendar

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

242B

HH:MM:SS (12/24 hr)

YY-MM-DD-dd

Parallel

4.5 V ~ 5.5 V

2.5 V ~ 4 V

300µA @ 5V

0°C ~ 70°C

Through Hole

24-DIP (0.600", 15.24mm)

24-PDIP

RTC-72423A:2

Leadtime
2-3 weeks

EPSON

IC RTC CLK/CALENDAR PAR 24-SOP

Tube

Obsolete

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-4543SB:A

Leadtime
2-3 weeks

EPSON

IC RTC CLK/CALENDAR SER 18-SOP

Bulk

Obsolete

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

18-SOIC (0.209", 5.30mm Width)

18-SOP

RTC-4543SA:A0-Cut

RTC-4543SA:A0

Leadtime
2-3 weeks

EPSON

IC RTC CLK/CALENDAR SER 14-SOIC

Cut Tape (CT)

Obsolete

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-4543SA:A0

Leadtime
2-3 weeks

EPSON

IC RTC CLK/CALENDAR SER 14-SOIC

Tape & Reel (TR)

Obsolete

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-4553A2

Leadtime
2-3 weeks

EPSON

IC RTC CLK/CALENDAR SER 14-SOIC

Tape & Reel (TR)

Obsolete

Clock/Calendar

Leap Year, SRAM

120b

HH:MM:SS (12/24 hr)

YY-MM-DD-dd

4-Wire Serial

2.7 V ~ 5.5 V

3µA @ 5V

-30°C ~ 70°C

Surface Mount

14-SOIC (0.209", 5.30mm Width)

14-SOP

DP8570AV/NOPB

1+	29.9216
10+	27.599
100+	23.5674

Increments of 1

Leadtime
2-3 weeks

Texas Instruments

IC RTC CLK/CALENDAR PAR 28-PLCC

Tube

Active

Timer Clock Peripheral (TCP)

Alarm, Leap Year

44B

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

YY-MM-DD-dd

Parallel

4.5 V ~ 5.5 V

2.2 V ~ 5.1 V

1µA @ 5V

-40°C ~ 85°C

Surface Mount

28-LCC (J-Lead)

28-PLCC (11.51x11.51)

RTC-63421B

Leadtime
2-3 weeks

EPSON

IC RTC CLK/CALENDAR PAR 18-DIP

Tube

Obsolete

Clock/Calendar

Alarm

HH:MM:SS (12/24 hr)

YY-MM-DD-dd

Parallel

4.5 V ~ 5.5 V

-40°C ~ 85°C

Through Hole

18-DIP (0.300", 7.62mm)

18-DIP

RTC-63423B

Leadtime
2-3 weeks

EPSON

IC RTC CLK/CALENDAR PAR 24-SOIC

Tube

Obsolete

Clock/Calendar

Alarm

HH:MM:SS (12/24 hr)

YY-MM-DD-dd

Parallel

4.5 V ~ 5.5 V

-40°C ~ 85°C

Surface Mount

24-SOIC (0.311", 7.90mm Width)

24-SOP

DP8573AV/NOPB

1+	19.6373
10+	18.1137
100+	15.4682
500+	14.0435

Increments of 1

Leadtime
2-3 weeks

Texas Instruments

IC RTC CLK/CALENDAR PAR 28-PLCC

Tube

Active

Clock/Calendar

Alarm, Leap Year

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

YY-MM-DD-dd

Parallel

4.5 V ~ 5.5 V

2.2 V ~ 5.1 V

1µA @ 5V

-40°C ~ 85°C

Surface Mount

28-LCC (J-Lead)

28-PLCC (11.51x11.51)

DP8573AN

Leadtime
2-3 weeks

Texas Instruments

IC RTC CLK/CALENDAR PAR 24-DIP

Tube

Obsolete

Clock/Calendar

Alarm, Leap Year

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

YY-MM-DD-dd

Parallel

4.5 V ~ 5.5 V

2.2 V ~ 5.1 V

1µA @ 5V

-40°C ~ 85°C

Through Hole

24-DIP (0.300", 7.62mm)

24-DIP

RTC-72423B

Leadtime
2-3 weeks

EPSON

IC RTC CLK/CALENDAR PAR 24-SOP

Tube

Obsolete

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

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