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 ...

X1228S14-4.5A

Leadtime
2-3 weeks

Intersil

IC RTC CLK/CALENDAR I2C 14-SOIC

Tube

Obsolete

Clock/Calendar

Alarm, Leap Year, Supervisor, Watchdog Timer

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 ~ 5V

0°C ~ 70°C

Surface Mount

14-SOIC (0.154", 3.90mm Width)

14-SOIC

X1228S14-2.7A

Leadtime
2-3 weeks

Intersil

IC RTC CLK/CALENDAR I2C 14-SOIC

Tube

Obsolete

Clock/Calendar

Alarm, Leap Year, Supervisor, Watchdog Timer

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 ~ 5V

0°C ~ 70°C

Surface Mount

14-SOIC (0.154", 3.90mm Width)

14-SOIC

X1228S14-2.7

Leadtime
2-3 weeks

Intersil

IC RTC CLK/CALENDAR I2C 14-SOIC

Tube

Obsolete

Clock/Calendar

Alarm, Leap Year, Supervisor, Watchdog Timer

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 ~ 5V

0°C ~ 70°C

Surface Mount

14-SOIC (0.154", 3.90mm Width)

14-SOIC

X1228S14

Leadtime
2-3 weeks

Intersil

IC RTC CLK/CALENDAR I2C 14-SOIC

Tube

Obsolete

Clock/Calendar

Alarm, Leap Year, Supervisor, Watchdog Timer

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 ~ 5V

0°C ~ 70°C

Surface Mount

14-SOIC (0.154", 3.90mm Width)

14-SOIC

X1227S8-4.5A

Leadtime
2-3 weeks

Intersil

IC RTC CLK/CALENDAR I2C 8-SOIC

Tube

Obsolete

Clock/Calendar

Alarm, Leap Year, Supervisor, Watchdog Timer

HH:MM:SS (12/24 hr)

YY-MM-DD-dd

I²C, 2-Wire Serial

4.5 V ~ 5.5 V

1.8 V ~ 5.5 V

10µA ~ 20µA @ 2.7V ~ 5V

0°C ~ 70°C

Surface Mount

8-SOIC (0.154", 3.90mm Width)

8-SOIC

X1227S8-2.7A

Leadtime
2-3 weeks

Intersil

IC RTC CLK/CALENDAR I2C 8-SOIC

Tube

Obsolete

Clock/Calendar

Alarm, Leap Year, Supervisor, Watchdog Timer

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 ~ 5V

0°C ~ 70°C

Surface Mount

8-SOIC (0.154", 3.90mm Width)

8-SOIC

X1227S8-2.7

Leadtime
2-3 weeks

Intersil

IC RTC CLK/CALENDAR I2C 8-SOIC

Tube

Obsolete

Clock/Calendar

Alarm, Leap Year, Supervisor, Watchdog Timer

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 ~ 5V

0°C ~ 70°C

Surface Mount

8-SOIC (0.154", 3.90mm Width)

8-SOIC

X1227S8

Leadtime
2-3 weeks

Intersil

IC RTC CLK/CALENDAR I2C 8-SOIC

Tube

Obsolete

Clock/Calendar

Alarm, Leap Year, Supervisor, Watchdog Timer

HH:MM:SS (12/24 hr)

YY-MM-DD-dd

I²C, 2-Wire Serial

4.5 V ~ 5.5 V

1.8 V ~ 5.5 V

10µA ~ 20µA @ 2.7V ~ 5V

0°C ~ 70°C

Surface Mount

8-SOIC (0.154", 3.90mm Width)

8-SOIC

X1226S8

Leadtime
2-3 weeks

Intersil

IC RTC CLK/CALENDAR I2C 8-SOIC

Tube

Obsolete

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 ~ 5V

0°C ~ 70°C

Surface Mount

8-SOIC (0.154", 3.90mm Width)

8-SOIC

BQ4852YMC-85

Leadtime
2-3 weeks

Texas Instruments

IC RTC CLK/CALENDAR PAR 36-DIP

Tray

Obsolete

Clock/Calendar

Alarm, Supervisor, Watchdog Timer

HH:MM:SS:hh (24 hr)

YY-MM-DD-dd

Parallel

4.5 V ~ 5.5 V

1mA @ 4.5V ~ 5.5V

0°C ~ 70°C

Through Hole

36-DIP Module (0.610", 15.49mm)

36-DIP Module (18.42x52.96)

BQ4850YMA-85

Leadtime
2-3 weeks

Texas Instruments

IC RTC CLK/CALENDAR PAR 32-DIP

Tray

Obsolete

Clock/Calendar

Alarm

HH:MM:SS (24 hr)

YY-MM-DD-dd

Parallel

4.5 V ~ 5.5 V

1mA @ 4.5V ~ 5.5V

0°C ~ 70°C

Through Hole

32-DIP Module (0.61", 15.49mm)

32-DIP Module (18.42x42.8)

BQ4847YMT

Leadtime
2-3 weeks

Texas Instruments

IC RTC CLK/CALENDAR PAR 28-DIP

Tube

Obsolete

Clock/Calendar

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

HH:MM:SS (12/24 hr)

YY-MM-DD-dd

Parallel

4.5 V ~ 5.5 V

2.3 V ~ 4 V

0°C ~ 70°C

Through Hole

28-DIP Module (0.61", 15.49mm)

28-DIP Module (18.42x38.8)

BQ4847MT

Leadtime
2-3 weeks

Texas Instruments

IC RTC CLK/CALENDAR PAR 28-DIP

Tube

Obsolete

Clock/Calendar

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

HH:MM:SS (12/24 hr)

YY-MM-DD-dd

Parallel

4.75 V ~ 5.25 V

2.3 V ~ 4 V

0°C ~ 70°C

Through Hole

28-DIP Module (0.61", 15.49mm)

28-DIP Module (18.42x38.8)

BQ4845YS-A4N

80+

7.16667

Increments of 80

Leadtime
2-3 weeks

Texas Instruments

IC RTC CLK/CALENDAR PAR 28-SOIC

Tube

Last Time Buy

Clock/Calendar

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

HH:MM:SS (12/24 hr)

YY-MM-DD-dd

Parallel

4.5 V ~ 5.5 V

2.3 V ~ 4 V

1.5mA (Typ) @ 4.5 V ~ 5.5 V

-40°C ~ 85°C

Surface Mount

28-SOIC (0.295", 7.50mm Width)

28-SOIC

BQ4845YS-A4

80+

6.40724

Increments of 80

Leadtime
2-3 weeks

Texas Instruments

IC RTC CLK/CALENDAR PAR 28-SOIC

Tube

Last Time Buy

Clock/Calendar

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

HH:MM:SS (12/24 hr)

YY-MM-DD-dd

Parallel

4.5 V ~ 5.5 V

2.3 V ~ 4 V

1.5mA (Typ) @ 4.5 V ~ 5.5 V

0°C ~ 70°C

Surface Mount

28-SOIC (0.295", 7.50mm Width)

28-SOIC

BQ4845S-A4N

1+	7.93137
10+	7.16667

Increments of 80

Leadtime
2-3 weeks

Texas Instruments

IC RTC CLK/CALENDAR PAR 28-SOIC

Tube

Last Time Buy

Clock/Calendar

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

HH:MM:SS (12/24 hr)

YY-MM-DD-dd

Parallel

4.75 V ~ 5.5 V

2.3 V ~ 4 V

1.5mA (Typ) @ 4.5 V ~ 5.5 V

-40°C ~ 85°C

Surface Mount

28-SOIC (0.295", 7.50mm Width)

28-SOIC

BQ4845S-A4

80+

6.40724

Increments of 80

Leadtime
2-3 weeks

Texas Instruments

IC RTC CLK/CALENDAR PAR 28-SOIC

Tube

Last Time Buy

Clock/Calendar

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

HH:MM:SS (12/24 hr)

YY-MM-DD-dd

Parallel

4.75 V ~ 5.5 V

2.3 V ~ 4 V

1.5mA (Typ) @ 4.5 V ~ 5.5 V

0°C ~ 70°C

Surface Mount

28-SOIC (0.295", 7.50mm Width)

28-SOIC

BQ4845P-A4

91+

5.14674

Increments of 91

Leadtime
2-3 weeks

Texas Instruments

IC RTC CLK/CALENDAR PAR 28-DIP

Tube

Last Time Buy

Clock/Calendar

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

HH:MM:SS (12/24 hr)

YY-MM-DD-dd

Parallel

4.75 V ~ 5.5 V

2.3 V ~ 4 V

1.5mA (Typ) @ 4.5 V ~ 5.5 V

0°C ~ 70°C

Through Hole

28-DIP (0.600", 15.24mm)

28-PDIP

BQ4842YMA-85

Leadtime
2-3 weeks

Texas Instruments

IC RTC CLK/CALENDAR PAR 32-DIP

Tray

Obsolete

Clock/Calendar

Alarm, Supervisor, Watchdog Timer

HH:MM:SS:hh (24 hr)

YY-MM-DD-dd

Parallel

4.5 V ~ 5.5 V

4mA @ 4.5 V ~ 5.5 V

0°C ~ 70°C

Through Hole

32-DIP Module (0.61", 15.49mm)

32-DIP Module (18.42x42.8)

BQ4832YMA-85

Leadtime
2-3 weeks

Texas Instruments

IC RTC CLK/CALENDAR PAR 32-DIP

Tray

Obsolete

Clock/Calendar

Alarm, Supervisor, Watchdog Timer

HH:MM:SS:hh (24 hr)

YY-MM-DD-dd

Parallel

4.5 V ~ 5.5 V

4mA @ 4.5 V ~ 5.5 V

0°C ~ 70°C

Through Hole

32-DIP Module (0.61", 15.49mm)

32-DIP Module (18.42x42.8)

BQ4822YMA-70

Leadtime
2-3 weeks

Texas Instruments

IC RTC CLK/CALENDAR PAR 28-DIP

Tray

Obsolete

Clock/Calendar

Alarm, Leap Year, Supervisor, Watchdog Timer

HH:MM:SS:hh (24 hr)

YY-MM-DD-dd

Parallel

4.5 V ~ 5.5 V

6mA @ 2.2 V ~ 5.8 V

0°C ~ 70°C

Through Hole

28-DIP Module (0.61", 15.49mm)

28-DIP Module (18.42x37.72)

BQ4802YDW

80+

6.78309

Increments of 80

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

4.5 V ~ 5.5 V

2.4 V ~ 4 V

1.5mA (Typ) @ 4.5 V ~ 5.5 V

0°C ~ 70°C

Surface Mount

28-SOIC (0.295", 7.50mm Width)

28-SOIC

BQ4802LYDWR

1000+

2.75735

Increments of 1000

Leadtime
2-3 weeks

Texas Instruments

IC RTC CLK/CALENDAR PAR 28-SOIC

Tape & Reel (TR)

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

BQ4285S-SB2

75+

7.43228

Increments of 75

Leadtime
2-3 weeks

Texas Instruments

IC RTC CLK/CALENDAR PAR 24-SOP

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

Surface Mount

24-SOIC (0.295", 7.50mm Width)

24-SOIC

BQ4285P-SB2

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

0°C ~ 70°C

Through Hole

24-DIP (0.600", 15.24mm)

24-PDIP

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