INS8154N Integrated Circuit - CASE: DIP40 MAKE: National Semiconductor

INS8060N Integrated Circuit - CASE: DIP40 MAKE: National Semiconductor

WD2797A-PL Integrated Circuit - CASE: DIP40 MAKE: Generic

D8749HC INTEGRATED CIRCUIT DIP-40

MM5452N Integrated Circuit - CASE: DIP40 MAKE: NSC

MK3880N-4 Integrated Circuit - CASE: DIP40 MAKE: ST Semiconductor

INS1771N1 Integrated Circuit - CASE: DIP40 MAKE: NSC

MK50397N Integrated Circuit - CASE: DIP40 MAKE: MOSTEK