<script> <script async src="https://www.googletagmanager.com/gtag/js?id=G-6VJ6HGXRTH"></script> <script> window.dataLayer = window.dataLayer || []; function gtag(){dataLayer.push(arguments);} gtag('js', new Date()); gtag('config', 'G-6VJ6HGXRTH');  <script async src="https://www.googletagmanager.com/gtag/js?id=AW-627603419"></script> <script> window.dataLayer = window.dataLayer || []; function gtag(){dataLayer.push(arguments);} gtag('js', new Date()); gtag('config', 'AW-627603419'); </script>Maximizing Connectivity with the Nexperia NCA9555 I/O Expander

The NCA9555 is a low-voltage 16-bit I²C and SMBus I/O expander that provides 16 bits of General Purpose Input/Output (GPIO) expansion.