DS1602

7 of 10

ABSOLUTE MAXIMUM RATINGS*

Voltage on Any Pin Relative to Ground

–0.3V to +7.0V

Operating Temperature

–40

°C to +85°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

(-40°C to +85°C)

PARAMETER

SYMBOL

MIN

TYP

MAX

UNITS

NOTES

Supply Voltage

4.5

5.0

5.5

V

1

Battery Supply Voltage

2.5

3.0

3.5

V

1

Logic 1 Input

2.0

V

1

Logic 0 Input

-0.3

0.8

V

1

DC ELECTRICAL CHARACTERISTICS

PARAMETER

SYMBOL

MIN

TYP

MAX

UNITS

NOTES

Input Leakage

-1

+1

µA

I/O Leakage

-1

+1

µA

Logic 1 Output

2.4

V

2

Logic 0 Output

0.4

V

3

Active Supply Current

1

mA

4

Timekeeping Current

50

µA

5

Timekeeping Current

400

nA

6

Leakage Current

100

nA

11

CAPACITANCE

PARAMETER

SYMBOL

MIN

TYP

MAX

UNITS

NOTES

Input Capacitance

5

pF

I/O Capacitance

10

pF

Crystal Capacitance

6

pF

10