DS1554

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POWER-ON DEFAULT STATES

Upon application of power to the device, the following register bits are set to a 0:

WDS=0, BMB0-BMB4=0, RB0-RB1=0, AE=0, ABE=0.

ABSOLUTE MAXIMUM RATINGS*

Voltage on Any Pin Relative to Ground

-5.0V to +6.0V

Operating Temperature

0

°C to 70°C

Storage Temperature

-55

°C to +125°C

Soldering Temperature

260°C for 10 seconds (See Note 8)

* 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

Logic 1 Voltage All Inputs

±10%

2.2

V

1

±10%

2.0

V

1

Logic 0 Voltage All Inputs

±10%

-0.3

0.8

1

±10%

-0.3

0.6

1

DC ELECTRICAL CHARACTERISTICS

(0

°C to 70°C; V

±=10%)

PARAMETER

SYMBOL

MIN

TYP

MAX

UNITS

NOTES

Active Supply Current

X

75

mA

2, 3

X

6

mA

2, 3

CMOS Standby Current

≥=V

X

4

mA

2, 3

Input Leakage Current (any input)

-1

+1

µA

Output Leakage Current (any

output)

-1

+1

µA

Output Logic 1 Voltage

2.4

V

1

Output Logic 0 Voltage

0.4

V

1

RST

outputs)

0.4

V

1, 5

Write Protection Voltage

4.25

4.37

4.50

V

1

Battery Switch Over Voltage

V

1, 4