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PCAL6416A - Low-voltage translating 16-bit I2C-bus/SMBus I/O expander

Description

The PCAL6416A is a 16-bit general-purpose I/O expander that provides remote I/O expansion for most microcontroller families via the I2C-bus interface.

Features

  • I2C-bus to parallel port expander.
  • Operating power supply voltage range of 1.65 V to 5.5 V.
  • Allows bidirectional voltage-level translation and GPIO expansion between:.
  • 1.8 V SCL/SDA and 1.8 V, 2.5 V, 3.3 V or 5 V Port P.
  • 2.5 V SCL/SDA and 1.8 V, 2.5 V, 3.3 V or 5 V Port P.
  • 3.3 V SCL/SDA and 1.8 V, 2.5 V, 3.3 V or 5 V Port P.
  • 5 V SCL/SDA and 1.8 V, 2.5 V, 3.3 V or 5 V Port P.
  • Low standby current consumption:.
  • 1.5 μA.

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Datasheet preview – PCAL6416A

Datasheet Details

Part number PCAL6416A
Manufacturer NXP Semiconductors
File Size 848.30 KB
Description Low-voltage translating 16-bit I2C-bus/SMBus I/O expander
Datasheet download datasheet PCAL6416A Datasheet
Additional preview pages of the PCAL6416A datasheet.

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Full PDF Text Transcription

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PCAL6416A Low-voltage translating 16-bit I2C-bus/SMBus I/O expander with interrupt output, reset, and configuration registers Rev. 7.1 — 30 August 2022 Product data sheet 1 General description The PCAL6416A is a 16-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 to I/O devices operating at a different (usually higher) voltage level.
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