PCA9671D datasheet(19/34 Pages) PHILIPS

19 / 34 page

PCA9671_1

Product data sheet

Rev. 01 — 20 December 2006

19 of 34

NXP Semiconductors

PCA9671

Remote 16-bit I/O expander for Fm+ I2C-bus with reset

10.2 High current-drive load applications

The GPIO has a maximum sinking current of 25 mA per bit. In applications requiring

additional drive, two port pins in the same octal may be connected together to sink up to

50 mA current. Both bits must then always be turned on or off together. Up to 8 pins (one

octal) can be connected together to drive 200 mA.

11. Limiting values

[1]

Total package (maximum) output current is 600 mA.

Fig 24. High current-drive load application

002aac254

VDD

P00

P01

P02

P03

P04

P05

P06

P07

VDD

SDA

SCL

RESET

CORE

PROCESSOR

VDD

LOAD

Table 4.

Limiting values

In accordance with the Absolute Maximum Rating System (IEC 60134).

Symbol

Parameter

Conditions

Min

Max

Unit

VDD

supply voltage

−0.5

IDD

supply current

±100

ISS

ground supply current

±600

input voltage

VSS − 0.5

5.5

input current

±20

output current

±50[1]

Ptot

total power dissipation

600

P/out

power dissipation per output

200

Tstg

storage temperature

−65

+150

°C

Tamb

ambient temperature

operating

−40

+85

°C

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