DS1644/DS1644P

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ABSOLUTE MAXIMUM RATINGS

Voltage Range on Any Pin Relative to Ground……………………………………………..-0.3V to +6.0V

Storage Temperature Range………………………………………………-40°C to +85°C, Noncondensing

Operating Temperature Range…….................…….......……………………0°C to +70°C, Noncondensing

Lead Temperature (soldering, 10s) ...................................................................................................+260°C

Soldering Temperature (reflow, PowerCap package) .......................................................................+260°C

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

(Over the Operating Range)

PARAMETER

SYMBOL

MIN

TYP

MAX

UNITS

NOTES

Supply Voltage

4.5

5.5

V

1

Logic 1 Voltage All Inputs

2.2

V

Logic 0 Voltage All Inputs

-0.3

0.8

V

DC ELECTRICAL CHARACTERISTICS

(Over the Operating Range)

PARAMETER

SYMBOL

MIN

TYP

MAX

UNITS

NOTES

75

mA

3

6

mA

3

0.2V)

4.0

mA

3

Input Leakage Current (any input)

-1

+1

A

Output Leakage Current

-1

+1

A

Output Logic 1 Voltage

2.4

V

Output Logic 0 Voltage

0.4

V

Power-Fail Voltage

4.0

4.5

V