Rievtech x-Messenger Series - Nand

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6.3.3 NAND
(Symbol in x-Messenger)
The output of an NAND function is only 0 if all inputs are 1, i.e. when they are closed.
A block input that is not used (x) is assigned: x = 1.
Logic table of the NAND block:
Input 1
Input 2
Input 3
Input 4
Output
0
0
0
0
1
0
0
0
1
1
0
0
1
0
1
0
0
1
1
1
0
1
0
0
1
0
1
0
1
1
0
1
1
0
1
0
1
1
1
1
1
0
0
0
1
1
0
0
1
1
1
0
1
0
1
1
0
1
1
1
1
1
0
0
1
1
1
0
1
1
1
1
1
0
1
1
1
1
1
0