DS1632

4 of 6

ABSOLUTE MAXIMUM RATINGS*

-0.5V to +7.0V

Voltage on I/O Relative to Ground

Operating Temperature

0°C to 70°C

Storage Temperature

-55°C to +125°C

Soldering Temperature

260°C for 10 seconds

* This is a stress rating only and functional operation of the device at these or any other conditions

above those indicated in the operation sections of this specification is not implied. Exposure to

absolute maximum rating conditions for extended periods of time may affect reliability.

RECOMMENDED DC OPERATING CONDITIONS

(0

°C to 70°C)

PARAMETER

SYMBOL

MIN

TYP

MAX

UNITS NOTES

Supply Voltage

4.5

5.0

5.5

V

1

PBRST

Input High Level

2.0

V

1, 3

PBRST

Input Low Level

-0.3

+0.8

V

1, 3

Battery Supply Voltage

2.3

3.0

3.5

V

1

DC ELECTRICAL CHARACTERISTICS

(0

PARAMETER

SYMBOL

MIN

TYP

MAX

UNITS NOTES

Output Current @ 2.4V

1

mA

5, 7

Output Current @ 0.4V

4mA

7

Output Voltage @ -500 µA

V

1, 6

Low Level @ RST

0.4

V

1

Operating Current

0.5

2.0

mA

2

4.50

4.62

4.75

V

1

4.25

4.37

4.50

V

1

Battery Fail Trip Point

2.30

2.45

2.55

V

1

Supply Voltage Output

V

Supply Current Output

100

mA

4

DC ELECTRICAL CHARACTERISTICS

(0

PARAMETER

SYMBOL

MIN

TYP

MAX

UNITS NOTES

Battery Current

2µA

Battery Backup Current

500

µA

4

CAPACITANCE

°C)

PARAMETER

SYMBOL

MIN

TYP

MAX

UNITS

NOTES

Input Capacitance

5pF

Output Capacitance

7pF