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NCA6416 Datasheet Low-voltage Translating 16-bit I2c-bus/smbus I/o Expander

Manufacturer: Nexperia

Overview: NCA6416 Low-voltage translating 16-bit I²C-bus/SMBus I/O expander Rev. 1 — 20 August 2025 Product data sheet 1.

Datasheet Details

Part number NCA6416
Manufacturer Nexperia
File Size 1.27 MB
Description Low-voltage translating 16-bit I2C-bus/SMBus I/O expander
Datasheet NCA6416-nexperia.pdf

General Description

The NCA6416 is a versatile 16-bit general-purpose I/ O expander designed for microcontrollers that need additional I/O pins.

It communicates via an I²C-bus interface, making it ideal for applications with minimal space and wiring, such as battery-powered devices using sensors, keypads, push buttons or LED control for managing LED brightness.

Nexperia's I/O expanders

Key Features

  • I²C-bus to parallel port expander.
  • 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 typical at 5 V.

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NCA6416 Distributor