NMC93C56EM Integrated Circuit - SO14 - National Semiconductor - NSC

CNY75GA Opto - DIP6 - Vishay Semiconductor

UCC3801N Integrated Circuit - DIP8 - Texas Instruments

DS1489AM Integrated Circuit - SO14 - National Semiconductor - NSC

BZW50-15 Zener Diode - DO26 - ST Microelectronics - STM

DS1489 Integrated Circuit - SOP14 - National Semiconductor - NSC

UA348PC SemiConductor - DIP14 - Generic Make

DS90C031BTM Integrated Circuit - SO16 - National Semiconductor - NSC