74LS540 ( x 2 pieces ) 74LS540N Octal Buffer Line Driver DIP20

74HC244 ( x 4 pieces ) Octal Buffer Line Driver DIP20

4049 TOSHIBA TC4049BP Inverting Hex Buffer / Converter DIP16

2 PCS - SN74LS240N - TTL OCTAL 3-STATE BUFFER / LINE DRIVER / RECEIVER – DIP 20

74HC573N DIP20 NXP Semiconductors Octal D-type transparent latch; 3-state

74LS541 SO20 OCTAL BUFFER/LINE DRIVER WITH 3-STATE OUTPUTS Motorola

74HC241 ( x 2 pieces ) Octal Buffer Line Driver DIP20

74HCT273 ( x 5 pieces ) TEXAS INSTRUMENTS Octal D Flip-Flop Dip20 SN74HCT273N