#74LS245

Description: Octal BUS Transceivers, 3-State outputs

Datasheet: http://www.ti.com/lit/gpn/sn74LS245

Pinout:

     +-----------+
A->B |[ 1]   [20]| VCC
  A0 |[ 2]   [19]| CE
  A1 |[ 3]   [18]| B0
  A2 |[ 4]   [17]| B1
  A3 |[ 5]   [16]| B2
  A4 |[ 6]   [15]| B3
  A5 |[ 7]   [14]| B4
  A6 |[ 8]   [13]| B5
  A7 |[ 9]   [12]| B6
 GND |[10]   [11]| B7
     +-----------+