NCA9555 Datasheet - nexperia

NCA9555, Low-voltage 16-bit I2C and SMBus I/O expander

NCA9555 Low-voltage 16-bit I²C and SMBus I/O expander with interrupt output and configuration registers Rev.3 * 24 April 2023 Product dat.
The NCA9555 provides 16 bits of General Purpose Input/Output (GPIO) expansion for I²C-bus/SMBus applications.

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Datasheet Details

Part number:

NCA9555

Manufacturer:

nexperia ↗

File Size:

449.34 KB

Description:

Low-voltage 16-bit I2C and SMBus 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 with interrupt and default pull-up resistors on GPIOs. 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 bu

NCA9555 Distributors

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NCA9555 Low-voltage 16-bit I2C and SMBus expander nexperia

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