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

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

74LS322 Integrated Circuit TTL - CASE: DIP20 MAKE: Texas Instruments

74LS245 Integrated Circuit TTL - CASE: DIP20 MAKE: Texas Instruments

74LS377 Integrated Circuit TTL - CASE: DIP20 MAKE: Texas Instruments

74ALS374 Integrated Circuit TTL - CASE: DIP20 MAKE: Texas Instruments

74LS145 Integrated Circuit TTL - CASE: DIP16 MAKE: Texas Instruments

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