The PCA9555APW,118 from NXP is a 16-bit general-purpose I/O expander that communicates via I2C, serial, or SMBus interfaces. It offers 16 digital I/O lines, allowing microcontrollers to significantly expand their I/O capabilities. Integrated interrupt output (INT) enables event-driven designs by notifying the controller of changes on input lines without constant polling.
Operating over a wide supply range from 1.65 V to 5.5 V and supporting data rates up to 100 kHz, the device is ideal for embedded applications, automation systems, and peripheral controls. It features TSSOP-24 surface-mount packaging and built-in 2 kV ESD protection for increased reliability.
Manufacturer BTC Korporacja sp. z o. o. Lwowska 5 05-120 Legionowo Poland sprzedaz@kamami.pl 22 767 36 20
Responsible person BTC Korporacja sp. z o. o. Lwowska 5 05-120 Legionowo Poland sprzedaz@kamami.pl 22 767 36 20
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PCA9555APW,118 is a versatile 16-bit I/O expander with I2C interface and interrupt capability, ideal for applications requiring efficient GPIO extension