4097
16-to-2 line analog multiplexer/demultiplexer.

    +--------------+
 1Y |1    +--+   24| VCC
1X7 |2           23| 2X0
1X6 |3           22| 2X1
1X5 |4           21| 2X2
1X4 |5           20| 2X3
1X3 |6           19| 2X4
1X2 |7    4097   18| 2X5
1X1 |8           17| 2Y
1X0 |9           16| 2X6
 S0 |10          15| 2X7
 S1 |11          14| S2
GND |12          13| /EN
    +--------------+

[This information is part of the GIICM]