2 x 74LS240N ORIGINAL SIGNETICS 3-STATE Buffer/Line Driver 74LS240 IC

2 x GENUINE SN74ALS874BNT T.I. DUAL 4-Bit Driver True Output PDIP-24 74ALS874 IC

5x Genuine DM74LS240N Octal 3-STATE Buffer/Line Driver Line Receiver IC 74LS240

5 x Genuine SN74LS244N Motorola 3-State Octal Octal Buffers Drivers IC 74LS244

5 x Genuine 74LS367A Matsushita Hex 3-State Buffer Driver SN74LS367N IC

5 x SN74S240N by AMD Octal 3-STATE Buffer Line Driver Receiver IC 74S240

5 x SN74LS241N Motorola Octal 3-STATE Buffer Line Driver Receiver 74LS241 IC

5 x 74F241PC Fairchild Octal Buffer Line Driver 3-STATE Outputs 74241 IC