Kc89c72 Datasheet __link__

: Includes two 8-bit parallel I/O ports for interfacing with other components.

You can find current stock and detailed technical documents on distribution sites like UTSource or Jotrin Electronics . KC89C72 | In Stock - utsource kc89c72 datasheet

The AY-3-8910, originally manufactured by General Instrument (GI), was a cornerstone of 8-bit and 16-bit audio. It powered the sound in arcade machines (like Defender ), the Sinclair ZX Spectrum 128, the Amstrad CPC, the MSX, and even the legendary Atari ST series. : Includes two 8-bit parallel I/O ports for