#74LS280

Description: Parity Generator/Checker

Datasheet: http://www.ti.com/lit/gpn/sn74LS280

Pinout:

     +-----------+
   G |[ 1]   [14]| VCC
   H |[ 2]   [13]| F
  NC |[ 3]   [12]| E
   I |[ 4]   [11]| D
EVEN |[ 5]   [10]| C
 ODD |[ 6]    [9]| B
 GND |[ 7]    [8]| A
     +-----------+