name:         MC54F280
function:     9-bit parity generator/checker
package:      DIP,14
manufacturer: motorola
added-by:     spamdogg

       +--()--+
    I6 | 1  14| Vcc
    I7 | 2  13| I5
    NC | 3  12| I4
    I8 | 4  11| I3
SigmaE | 5  10| I2
SigmaO | 6   9| I1
   GND | 7   8| I0
       +------+

This information was added by a third party and may be incorrect.

This pinout came from the Chipdir:
http://www.chipdir.org/