AM25LS2521DC Integrated Circuit - CASE: DIP20 MAKE: Generic

74HC244J Integrated Circuit - CASE: CDIP20 MAKE: Texas Instruments

74HC273J Integrated Circuit - CASE: CDIP20 MAKE: Texas Instruments

AM25LS2519PC INTEGRATED CIRCUIT DIP-20 'UK COMPANY SINCE1983 NIKKO''

SNJ54ALS273J Integrated Circuit - CASE: CDIP20 MAKE: Generic

ETC5056 Integrated Circuit CMOS - CASE: CDIP20 MAKE: SGS Thomson

PAL16L8ACJ Integrated Circuit - CASE: CDIP20 MAKE: Generic

DM71LS96 Integrated Circuit - CASE: CDIP20 MAKE: Generic