7411245 8-bit 3-state noninverting bus transceiver. Enable and direction pins control output enables. +----------+ +---------------+ A1 |1 +--+ 24| DIR |/EN|DIR| A | B | A2 |2 23| B1 |---+---+---+---| A3 |3 22| B2 | 1 | X | Z | Z | A4 |4 21| B3 | 0 | 0 | B | Z | GND |5 20| B4 | 0 | 1 | Z | A | GND |6 7411 19| VCC +---------------+ GND |7 245 18| VCC GND |8 17| B5 A5 |9 16| B6 A6 |10 15| B7 A7 |11 14| B8 A8 |12 13| /EN +----------+ [This information is part of the GIICM]