NCA9539 Low-voltage 16-bit I2C and SMBus low-power I/O expander

nexperia

Description

NCA9539 Low-voltage 16-bit I²C and SMBus low-power I/O expander with interrupt output, reset pin and configuration registers Rev.2 * 18 Oc.
The NCA9539 provides 16 bits of General Purpose Input/Output (GPIO) expansion with interrupt and reset for I²C-bus/SMBus applications.

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Datasheet Specifications

Part number: NCA9539
Manufacturer: nexperia ↗
File Size: 466.45 KB
Datasheet: NCA9539-nexperia.pdf
Description: Low-voltage 16-bit I2C and SMBus low-power I/O expander

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 inp

Applications

* It is designed for a wide voltage range of 1.65 V to 5.5 V. Nexperia GPIO expanders provide an elegant solution when additional IOs are needed while keeping the interconnections to a minimum, for example, in ACPI power switches, sensors, push buttons, LEDs and fan control. The NCA9539 contains a se

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NCA9539 Low-voltage 16-bit I2C and SMBus low-power expander nexperia

nexperia NCA9539-like datasheet