7486
Quad 2-input XOR gates.

    +----------+             +-----------+                    _   _
 1A |1  +--+ 14| VCC         | A | B | Y |       Y = A$B = (A*B)+(A*B)
 1B |2       13| 4B          |---+---+---|
 1Y |3       12| 4A          | 0 | 0 | 0 |
 2A |4  7486 11| 4Y          | 0 | 1 | 1 |
 2B |5       10| 3B          | 1 | 0 | 1 |
 2Y |6        9| 3A          | 1 | 1 | 0 |
GND |7        8| 3Y          +-----------+
    +----------+

[This information is part of the GIICM]