PAL20R4BNC Integrated Circuit - DIP24 - National Semiconductor - NSC

MC33035PG Integrated Circuit - DIP24 - ON Semiconductor

LM1246AAC Integrated Circuit - DIP24 - National Semiconductor - NSC

PAL20L8BNC Integrated Circuit - DIP24 - National Semiconductor - NSC

BA6870S Semiconductor - DIP24 - Rohm Semiconductor

CY7C235-30PC Integrated Circuit - DIP24 - Cypress Semiconductor

82C53-2 Integrated Circuit - DIP24 - OKI Semiconductor

BA6435S Integrated Circuit - DIP24 - Rohm Semiconductor