40147
10-to-4 line noninverting priority encoder.

    +----------+
 A4 |1  +--+ 16| VCC
 A5 |2       15| A0
 A6 |3       14| Y3
 A7 |4       13| A3
 A8 |5 40147 12| A2
 Y2 |6       11| A1
 Y1 |7       10| A9
GND |8        9| Y0
    +----------+

[This information is part of the GIICM]