ABBOTTABAD Lab Assignment#10
Subject: Industrial Electronics
Submitted By:
Naveed Mazhar FA09-BEE-143
Submitted To:
Sir Muhammad Sajjad Durani
Date: 15th
November, 2012
DECODER A decoder is a combinational circuit which converts binary information from n input
lines to 2ⁿ unique output lines.
Truth Table: Logic table for 3 to 8 decoder is given by:
Inputs Outputs X Y Z D0 D1 D2 D3 D4 D5 D6 D7
0 0 0 1 0 0 0 0 0 0 0
0 0 1 0 1 0 0 0 0 0 0
0 1 0 0 0 1 0 0 0 0 0
0 1 1 0 0 0 1 0 0 0 0
1 0 0 0 0 0 0 1 0 0 0
1 0 1 0 0 0 0 0 1 0 0
1 1 0 0 0 0 0 0 0 1 0
1 1 1 0 0 0 0 0 0 0 1
GATE LEVEL IMPLEMINTATION (3 to 8 Decoder): The circuit diagram of 3 to 8 decoder is:
LADDER DIAGRAM: Ladder logic diagram of 3 to 8 decoder is given by: