PAL20R4BNC Integrated Circuit - DIP24 - National Semiconductor - NSC

MM74C905N Integrated Circuit - DIP24 - National Semiconductor - NSC

MM74C150N Integrated Circuit - DIP24 - National Semiconductor - NSC

PAL20L8BNC Integrated Circuit - DIP24 - National Semiconductor - NSC

LM1246AAC Integrated Circuit - DIP24 - National Semiconductor - NSC

MM5213CRJ-N Integrated Circuit - DIP24 - National Semiconductor - NSC

MM5213BQX-N Integrated Circuit - DIP24 - National Semiconductor - NSC

MM74HC181N Logic IC - DIP24 - National Semiconductor - NSC