COP470N Semiconductor - DIP20 - National NSC

MM74HC356N Logic IC - DIP20 - National Semiconductor - NSC

COP8SAB720N9B Semiconductor - DIP20 - National NSC

GAL16V8Z-15QP Integrated Circuit - DIP20 - National Semiconductor - NSC

54AC377DMQB Integrated Circuit - DIP20 - National Semiconductor - NSC

PAL16H2CJ Integrated Circuit - DIP20 - National Semiconductor - NSC

COP8SAA720N9 Semiconductor - DIP20 - National NSC

LM2905N Integrated Circuit - DIP8 - National Semiconductor - NSC