.Modelica.Electrical.Digital.Examples.HalfAdder

Information

This example demonstrates an adding circuit for binary numbers, which internally realizes the interconnection to And and to Xor in the final sum.

1 + 0 = 1
0 + 1 = 1
1 + 1 = 10
0 + 0 = 0

a + b = s
(The carry of this adding is c.)

and

a * b = s
(It is an interconnection to And.)

a * b + a * b = a Xor b = c
(It is an interconnection to Xor.)

a     b     c      s     t

1     0     1      0     1
0     1     1      0     2
1     1     0      1     3
0     0     0      0     4

t is the pick-up instant of the next bit(s) in the simulation. The simulation stop time should be 5 seconds.

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