SN74AHC00 SN74AHC00-EP SN74AHC00-Q1 SN74AHC02 SN74AHC02-EP SN74AHC02-Q1 SN74AHC04 SN74AHC04-EP SN74AHC04-Q1 SN74AHC04Q SN74AHC05 SN74AHC08 SN74AHC08-EP SN74AHC08Q-Q1