#74LS366

Description: Hex Bus Driver inverter, 3-state outputs

Datasheet: http://www.ti.com/lit/gpn/sn74LS366

Pinout:

    +-----------+
 E1 |[ 1]   [16]| VCC
 I1 |[ 2]   [15]| E2
 O1 |[ 3]   [14]| I6
 I2 |[ 4]   [13]| O6
 O2 |[ 5]   [12]| I5
 I3 |[ 6]   [11]| O5
 O3 |[ 7]   [10]| I4
GND |[ 8]    [9]| O4
    +-----------+