1997 Apr 02

13

Philips Semiconductors

Product specification

PCF8574

8

LIMITING VALUES

In accordance with the Absolute Maximum Rating System (IEC 134).

9

HANDLING

Inputs and outputs are protected against electrostatic discharge in normal handling. However, to be totally safe, it is

desirable to take precautions appropriate to handling MOS devices. Advice can be found in Data Handbook IC12 under

“Handling MOS Devices”.

10 DC CHARACTERISTICS

SYMBOL

PARAMETER

MIN.

MAX.

UNIT

supply voltage

−0.5

+7.0

V

input voltage

V

DC input current

−±20

mA

DC output current

−±25

mA

supply current

−±100

mA

supply current

−±100

mA

total power dissipation

−

400

mW

power dissipation per output

−

100

mW

storage temperature

−65

+150

°C

operating ambient temperature

−40

+85

°C

SYMBOL

PARAMETER

CONDITIONS

MIN.

TYP.

MAX.

UNIT

Supply

supply voltage

2.5

−

6.0

V

supply current

−

40

100

µA

standby current

−

2.5

10

µA

Power-on reset voltage

−

1.3

2.4

V

Input SCL; input/output SDA

LOW level input voltage

−0.5

−

V

HIGH level input voltage

−

V

LOW level output current

3

−−

mA

leakage current

−1

−

+1

µA

input capacitance

−−

7pF