TEXAS INSTRUMENTS
缓冲器/驱动器, 74AHC540, 2V至5.5V, TSSOP-20
缓冲器/驱动器, 74AHC540, 2V至5.5V, SOIC-20
缓冲器/驱动器, 74AHC540, 2V至5.5V, DIP-20