742245 8-bit 3-state noninverting bus transceiver with integrated 25O series output resistors. Enable and direction pins control output enables. +----------+ +---------------+ DIR |1 +--+ 20| VCC |/EN|DIR| A | B | A0 |2 19| /EN |---+---+---+---| A1 |3 18| B0 | 1 | X | Z | Z | A2 |4 17| B1 | 0 | 0 | B | Z | A3 |5 742 16| B2 | 0 | 1 | Z | A | A4 |6 245 15| B3 +---------------+ A5 |7 14| B4 A6 |8 13| B5 A7 |9 12| B6 GND |10 11| B7 +----------+ [This information is part of the GIICM]