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NCA9595 - Low-voltage 16-bit I2C and SMBus I/O expander

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Datasheet Details

Part number NCA9595
Manufacturer Nexperia
File Size 431.50 KB
Description Low-voltage 16-bit I2C and SMBus I/O expander
Datasheet download datasheet NCA9595 Datasheet

General Description

The NCA9595 provides 16 bits of General Purpose Input/Output (GPIO) expansion for I²Cbus/SMBus applications.

It is designed for a wide voltage range of 1.65 V to 5.5 V with interrupt and default pull-up resistors on GPIOs.

Overview

NCA9595 Low-voltage 16-bit I²C and SMBus I/O expander with interrupt output, configuration registers and programmable pull-up resistors Rev.

1 — 25 April 2023 Product data sheet 1.

Key Features

  • I²C-bus to parallel port expander.
  • Operating power supply voltage range of 1.65 V to 5.5 V.
  • Low standby current consumption:.
  • 2.5 µA (maximum).
  • Schmitt-trigger action allows slow input transition and better switching noise immunity at the SCL and SDA inputs.
  • Vhys = 0.10 × VCC (typical).
  • Noise filter on SCL and SDA inputs.
  • 5 V tolerant I/Os.
  • 16 I/O pins which power up configured in input state with weak configurable.

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