| Serial No.. | 8 bit data | Output of the priority encoder | ||||||||||
| D7 | D6 | D5 | D4 | D3 | D2 | D1 | D0 | Y2 | Y1 | Y0 | V | |
| 1 | 1 | X | X | X | X | X | X | X | 0 | 0 | 0 | 1 |
| 2 | 0 | 1 | X | X | X | X | X | X | 0 | 0 | 1 | 1 |
| 3 | 0 | 0 | 1 | X | X | X | X | X | 0 | 1 | 0 | 1 |
| 4 | 0 | 0 | 0 | 1 | X | X | X | X | 0 | 1 | 1 | 1 |
| 5 | 0 | 0 | 0 | 0 | 1 | X | X | X | 1 | 0 | 0 | 1 |
| 6 | 0 | 0 | 0 | 0 | 0 | 1 | X | X | 1 | 0 | 1 | 1 |
| 7 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | X | 1 | 1 | 0 | 1 |
| 8 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 1 | 1 | 1 | 1 |
| 9 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | X | X | X | 0 |