PCA9557 Datasheet - NXP

8-bit I2C and SMBus I/0 port with reset

PCA9557 Features

* PCA9556 PIN CONFIGURATION SCL 1 SDA 2 16 VDD 15 RESET 14 I/O7 13 I/O6 12 I/O5 11 I/O4 10 I/O3 9 I/O2

* Lower voltage, higher performance migration path for the

* 8 general purpose input/output expander/collector

* Input/output configuration register

* Active HIGH po

PCA9557 General Description

The PCA9557 is a silicon CMOS circuit which provides parallel input/output expansion for SMBus and I2C applications. The PCA9557 consists of an 8-bit input port register, 8-bit output port register, and an I2C/SMBus interface. It has low current consumption and a high impedance open drain output pin.

PCA9557 Datasheet (127.39 KB)

PCA9557 Datasheet Preview — Preview of PCA9557 PDF

Datasheet Details

Part number:

PCA9557

Manufacturer:

NXP ↗

File Size:

127.39 KB

Description:

8-bit i2c and smbus i/0 port with reset.
INTEGRATED CIRCUITS PCA9557 8-bit I2C and SMBus I/0 port with reset Product data File under Integrated Circuits ICL03 2001 Dec 12 Philips .

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TAGS

PCA9557 8-bit I2C and SMBus port with reset NXP

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PCA9557 Features

PCA9557 General Description

Datasheet Details

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