Page 45 - CITS - Electronic Mechanic - TT - 2024
P. 45
ELECTRONICS MECHANIC - CITS
• Similarly, for other input combinations, particular output is set to ‘1’ & others are‘0
• 3 to 8 Decoder
Block diagram of 3 to 8 decoder
Truth Table
Inputs Output
I I I Y Y Y Y Y Y Y Y
2 1 0 0 1 2 3 4 5 6 7
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
30
CITS : E & H - Electronics Mechanic - Lesson 9 - 29