AY51013 Integrated Circuit - Standard Case - General Instrument

AY-3-8500 Integrated Circuit - DIP28 - General Instrument

General Instrument AY-5-1013A Universal Asynchronous RX / TX IC 40 Pin PDIP

AY-3-8912 Integrated Circuit - DIP28 - General Instrument

AY5-1016 Integrated Circuit - DIP40 - General Instrument

AY5-1232 Integrated Circuit - DIP28 - General Instrument

AY5-8320 Integrated Circuit - DIP24 - General Instrument

AY5-9106 Integrated Circuit - DIP18 - General Instrument