74LS273 Integrated Circuit TTL - CASE: DIP20 MAKE: Texas Instruments

74ALS623 Integrated Circuit - CASE: DIP20 MAKE: Texas Instruments

74LS245N Integrated Circuit - CASE: DIP20 MAKE: Texas Instruments

74LS181 Integrated Circuit TTL - CASE: DIP24 MAKE: Texas Instruments

GAL16V8-20LNC Integrated Circuit - CASE: DIP20 MAKE: Texas Instruments

74HCT574N Integrated Circuit - CASE: DIP20 MAKE: Texas Instruments

74LS640 Integrated Circuit - CASE: DIP20 MAKE: Texas Instruments

74LS240N Integrated Circuit - CASE: DIP20 MAKE: Texas Instruments