7411257
8-to-4 line 3-state noninverting data selector/multiplexer.

    +----------+
  S |1  +--+ 20| 1A0
 1Y |2       19| 1A1
 2Y |3       18| 2A0
GND |4       17| 2A1
GND |5 7411  16| VCC
GND |6  257  15| VCC
GND |7       14| 3A0
 3Y |8       13| 3A1
 4Y |9       12| 4A0
/EN |10      11| 4A1
    +----------+

[This information is part of the GIICM]