DS1677

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ABSOLUTE MAXIMUM RATINGS

Voltage Range on Any Pin Relative to Ground……………………………………………..-0.3V to +7.0V

Operating Temperature Range………………………………………………………………..0

C to +70C

Storage Temperature Range………………………………………………………………-55

C to +125C

Soldering Temperature………………………………………….See IPC/JEDEC J-STD-020 Specification

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 device reliability.

RECOMMENDED DC OPERATING CONDITIONS

PARAMETER

SYMBOL

MIN

TYP

MAX

UNITS

NOTES

Power Supply Voltage

4.5

5.0

5.5

V

1

Input Logic 1

2.0

0.3

V

1

Input Logic 0

-0.3

+0.8

V

1

Battery Voltage

2.5

3.7

V

1

DC ELECTRICAL CHARACTERISTICS

PARAMETER

SYMBOL

MIN

TYP

MAX

UNITS

NOTES

Input Leakage

-1

+1

A

CS Leakage

150

A

7

2.4

V

1

0.4

V

1

1.5

2.0

mA

2

ADC Current

500

A

3

300

A

4

Battery Current (Oscillator On)

300

500

nA

Battery Current (Oscillator Off)

200

nA

35

47

60

k



4.25

4.35

4.50

V

2.60

2.70

2.80

V

10

A/D Reference Voltage

2.47

2.55

2.63

V

Pushbutton Detect

0.8

2.0

V

Pushbutton Release

0.3

0.8

V

Output Voltage

0.3

V

9

PFI Input Threshold

1.20

1.25

1.30

V

PFI Input Current

0.25

0.01

25

nA

PFO

1.5

V

PFO

0.4

V

150

mA

11

150

A

12