7411810
Quad 2-input XNOR gates with buffered output.

    +----------+             +-----------+           _     _ _
 1A |1  +--+ 16| 1B          | A | B |/Y |      Y = A$B = (A*B)+(A*B)
/1Y |2       15| 2A          |---+---+---|
/2Y |3       14| 2B          | 0 | 0 | 1 |
GND |4  7411 13| VCC         | 0 | 1 | 0 |
GND |5   810 12| VCC         | 1 | 0 | 0 |
/3Y |6       11| 3A          | 1 | 1 | 1 |
/4Y |7       10| 3B          +-----------+
 4B |8        9| 4A
    +----------+

[This information is part of the GIICM]