7411139
Dual 1-of-4 inverting decoder/demultiplexer.

     +----------+            +---------------------------+
/1Y1 |1  +--+ 16| /1Y0       |/EN| S1| S0|/Y0|/Y1|/Y2|/Y3|
/1Y2 |2       15| 1S0        |---+---+---+---+---+---+---|
/1Y3 |3       14| 1S1        | 1 | X | X | 1 | 1 | 1 | 1 |
 GND |4 7411  13| /1EN       | 0 | 0 | 0 | 0 | 1 | 1 | 1 |
/2Y0 |5  139  12| VCC        | 0 | 0 | 1 | 1 | 0 | 1 | 1 |
/2Y1 |6       11| /2EN       | 0 | 1 | 0 | 1 | 1 | 0 | 1 |
/2Y2 |7       10| 2S0        | 0 | 1 | 1 | 1 | 1 | 1 | 0 |
/2Y3 |8        9| 2S1        +---------------------------+
     +----------+

[This information is part of the GIICM]