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NCA9555B Datasheet - NOVOSENSE

NCA9555B - 16-bit I2C-bus I/O port

NCA9555B 16-bit I2C-bus I/O port with interrupt Datasheet (EN) 1.1 Product Overview The NCA9555B is a 24-pin device that provides 16 bits of General Purpose parallel Input/Output (GPIO) expansion for the two-line bidirectional I2C bus applications.

The device can operate with a power supply voltage (VDD) range from 1.65 V to 5.5 V.

It provides a simple solution when additional I/Os are needed for ACPI power switches, sensors, push buttons, LEDs, fans, etc.

The NCA9555B consists of two 8-bit Con

NCA9555B Features

* I2C to Parallel Port Expander

* Operating power supply voltage range of 1.65 V to 5.5 V

* Low standby current

* Open-drain active-low interrupt output

* 5.5 V tolerant, 16 I/O ports which default to input mode

* Compatible with most microcontrollers

* Up to 400 kHz cloc

NCA9555B-NOVOSENSE.pdf

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Datasheet Details

Part number:

NCA9555B

Manufacturer:

NOVOSENSE

File Size:

1.22 MB

Description:

16-bit i2c-bus i/o port.

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