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UPD8243 Datasheet Input / Output Expander

Manufacturer: NEC (now Renesas Electronics)

Download the UPD8243 datasheet PDF. This datasheet also includes the UPD variant, as both parts are published together in a single manufacturer document.

📥 Download Datasheet

Note: The manufacturer provides a single datasheet file (UPD-8243) that lists specifications for multiple related part numbers.

Overview

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