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PCA9557 Remote 8-Bit I2C and SMBus Low-Power I/O Expander

PCA9557 Description

Product Folder Sample & Buy Technical Documents Tools & Software Support & Community PCA9557 SCPS133J * DECEMBER 2005 * REVISED J.
This 8-bit I/O expander for the two-line bidirectional bus (I2C) is designed for 2.

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 Applications

* intellectual property matters and other important disclaimers. PRODUCTION DATA. PCA9557 SCPS133J
* DECEMBER 2005

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