PCA9557 Datasheet - Texas Instruments

Remote 8-Bit I2C and SMBus Low-Power I/O Expander

PCA9557 Features

* 1 Low Standby Current Consumption of 1 μA Max

* I2C to Parallel Port Expander

* Operating Power-Supply Voltage Range of 2.3 V to 5.5 V

* 5-V Tolerant I/O Ports

* 400-kHz Fast I2C Bus

* Three Hardware Address Pins Allow for Use of up to Eight Devices o

PCA9557 General Description

This 8-bit I/O expander for the two-line bidirectional bus (I2C) is designed for 2.3-V to 5.5-V VCC operation. The device provides general-purpose remote I/O expansion for most microcontroller families via the I2C interface [serial clock (SCL) and serial data (SDA)]. The PCA9557 consists of one 8-bi.

PCA9557 Datasheet (1.37 MB)

PCA9557 Datasheet Preview — Preview of PCA9557 PDF

Datasheet Details

Part number:

PCA9557

Manufacturer:

Texas Instruments ↗

File Size:

1.37 MB

Description:

Remote 8-bit i2c and smbus low-power i/o expander.
Product Folder Sample & Buy Technical Documents Tools & Software Support & Community PCA9557 SCPS133J DECEMBER 2005 REVISED J.

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PCA9557 Remote 8-Bit I2C and SMBus Low-Power Expander Texas Instruments

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PCA9557 Features

PCA9557 General Description

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