7411239
Dual 1-of-4 noninverting decoder/demultiplexer.

    +----------+             +---------------------------+
1Y1 |1  +--+ 16| 1Y0         |/EN| S1| S0| Y0| Y1| Y2| Y3|
1Y2 |2       15| 1S0         |---+---+---+---+---+---+---|
1Y3 |3       14| 1S1         | 1 | X | X | 0 | 0 | 0 | 0 |
GND |4 7411  13| /1EN        | 0 | 0 | 0 | 1 | 0 | 0 | 0 |
2Y0 |5  239  12| VCC         | 0 | 0 | 1 | 0 | 1 | 0 | 0 |
2Y1 |6       11| /2EN        | 0 | 1 | 0 | 0 | 0 | 1 | 0 |
2Y2 |7       10| 2S0         | 0 | 1 | 1 | 0 | 0 | 0 | 1 |
2Y3 |8        9| 2S1         +---------------------------+
    +----------+

[This information is part of the GIICM]