(1 PC) N82C54-2 INTEL Programmable Timer, 3 Timer(s), CMOS, PLCC28

(1 PC) UC5180CQ UNITRODE Line Receiver, 8 Func, 8 Rcvr, BIPolar, PLCC-28

(1 PC) GAL6001B-30LJ LATTICE, EE PLD, 30NS, PLS-TYPE PLCC28

2PCS KS82C54-8CL KS82C54 SAMSUNG Programmable Counter/Timer IC 8MHz PLCC-28

(1 PC) UPD71059L NEC Interrupt Controller CMOS PLCC28

(1 PC) CS82C54 HARRIS Programmable Timer, 3 Timer(s), CMOS, PLCC28

(1 PC) PAL22V10-10JC AMD OT PLD, 10ns, PAL-Type, TTL, PLCC28

(1 PC) AM29C828AJC AMD IC BUFFER INVERTING 5.5V 28-PLCC