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PCAL6408A

NXP Semiconductors
Part Number PCAL6408A
Manufacturer NXP Semiconductors
Description 8-bit I2C-bus/SMBus I/O expander
Published Jan 22, 2013
Detailed Description PCAL6408A Low-voltage translating, 8-bit I2C-bus/SMBus I/O expander with interrupt output, reset, and configuration reg...
Datasheet PDF File PCAL6408A PDF File

PCAL6408A
PCAL6408A

Overview
PCAL6408A Low-voltage translating, 8-bit I2C-bus/SMBus I/O expander with interrupt output, reset, and configuration registers Rev.
3.
2 — 19 April 2017 Product data sheet 1.
General description The PCAL6408A is an 8-bit general-purpose I/O expander that provides remote I/O expansion for most microcontroller families via the I2C-bus interface.
NXP I/O expanders provide a simple solution when additional I/Os are needed while keeping interconnections to a minimum, for example, in battery-powered mobile applications for interfacing to sensors, push buttons, keypad, etc.
In addition to providing a flexible set of GPIOs, it simplifies interconnection of a processor running at one voltage level ...


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