-- Copyright © 1993 by  McGraw-Hill, Inc. and Zainalabedin Navabi

-- FIGURE 7.44 




-- SIMULATION RESULTS FOR XNOR TEST BENCH :


|-TIME--|-----------------------SIGNAL NAMES----------------------------|
| (US)  |                                                               |      
|       |     AA      BB      PULL_UP_1     PULL_UP_2     PULL_UP_3     |        
|       |                                                               |
|-------|---------------------------------------------------------------|
|       |                                                               |
|   0   |     '1'     '0'     '0'           '0'           '0'           |
|   2   |     '1'     '0'     '0'           '1'           '0'           |
|   4   |     '1'     '0'     '0'           '1'           '0'           |
|   6   |     '1'     '0'     '0'           '1'           '0'           |
|   8   |     '1'     '0'     '0'           '1'           '0'           |
|  10   |     '0'     '0'     '0'           '1'           '0'           |
|  12   |     '0'     '0'     '1'           '1'           '1'           |
|  14   |     '0'     '0'     '1'           '1'           '1'           |
|  16   |     '0'     '0'     '1'           '1'           '1'           |
|  18   |     '0'     '0'     '1'           '1'           '1'           |
|  20   |     '0'     '1'     '1'           '1'           '1'           |
|  22   |     '0'     '1'     '1'           '0'           '0'           |
|  24   |     '0'     '1'     '1'           '0'           '0'           |
|  26   |     '0'     '1'     '1'           '0'           '0'           |
|  28   |     '0'     '1'     '1'           '0'           '0'           |
|  30   |     '1'     '1'     '1'           '0'           '0'           |
|  32   |     '1'     '1'     '0'           '0'           '1'           |
|  34   |     '1'     '1'     '0'           '0'           '1'           |
|  36   |     '1'     '1'     '0'           '0'           '1'           |
|  38   |     '1'     '1'     '0'           '0'           '1'           |
|  40   |     '1'     '0'     '0'           '0'           '1'           |
|  42   |     '1'     '0'     '0'           '1'           '0'           |
|  44   |     '1'     '0'     '0'           '1'           '0'           |       
|  46   |     '1'     '0'     '0'           '1'           '0'           |
|  48   |     '1'     '0'     '0'           '1'           '0'           |
|  50   |     '0'     '0'     '0'           '1'           '0'           |
|  52   |     '0'     '0'     '1'           '1'           '1'           |
|  54   |     '0'     '0'     '1'           '1'           '1'           |
|  56   |     '0'     '0'     '1'           '1'           '1'           |
|  58   |     '0'     '0'     '1'           '1'           '1'           |
|  60   |     'Z'     '0'     '1'           '1'           '1'           |
|  62   |     'Z'     '0'     '0'           '1'           '0'           |
|  64   |     'Z'     '0'     '0'           '1'           '0'           |
|  66   |     'Z'     '0'     '0'           '1'           '0'           |
|  68   |     'Z'     '0'     '0'           '1'           '0'           |
|  70   |     'Z'     'Z'     '0'           '1'           '0'           |
|       |                                                               |
|-------|---------------------------------------------------------------|