4515, 744515 1-of-16 inverting decoder/demultiplexer with address latches. +----------+ LE |1 +--+ 24| VCC S0 |2 23| /EN S1 |3 22| S3 /Y7 |4 21| S2 /Y6 |5 20| /Y10 /Y5 |6 19| /Y11 /Y4 |7 4515 18| /Y8 /Y3 |8 17| /Y9 /Y2 |9 16| /Y15 /Y1 |10 15| /Y14 /Y0 |11 14| /Y13 GND |12 13| /Y12 +----------+ [This information is part of the GIICM]