#74HC138

Description: 3-to-8 line decoder/multiplexer inverting, DIP-16/SOIC-16/SSOP-16

Datasheet: http://www.ti.com/lit/ds/symlink/cd74hc238.pdf

Pinout:

      +-----------+
   A0 |[ 1]   [16]| VCC
   A1 |[ 2]   [15]| ~{Y0}
   A2 |[ 3]   [14]| ~{Y1}
~{E0} |[ 4]   [13]| ~{Y2}
~{E1} |[ 5]   [12]| ~{Y3}
   E2 |[ 6]   [11]| ~{Y4}
~{Y7} |[ 7]   [10]| ~{Y5}
  GND |[ 8]    [9]| ~{Y6}
      +-----------+