Specifications

108 Chapter 6—Primitive Devices
Decoder
The Decoder (active low) primitive device activates one of N outputs
depending on M select inputs, as follows (X = Don’t Care):
EN S2 S1 S0 7 6 5 4 3 2 1 0
0 0 0 0 1 1 1 1 1 1 1 0
0 0 0 1 1 1 1 1 1 1 0 1
0 0 1 0 1 1 1 1 1 0 1 1
0 0 1 1 1 1 1 1 0 1 1 1
0 1 0 0 1 1 1 0 1 1 1 1
0 1 0 1 1 1 0 1 1 1 1 1
0 1 1 0 1 0 1 1 1 1 1 1
0 1 1 1 0 1 1 1 1 1 1 1
1 X X X 1 1 1 1 1 1 1 1
LW Reference.bk Page 108 Monday, December 15, 2003 5:59 PM