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74LS183D is a carry-save full adder which features an individual carry output from each bit for use in multiple-input to produce the true sum and true carry outputs
Function table
Inputs | Outputs | |||
---|---|---|---|---|
Cn | ||||
B | A | SUM | Cn+1 | |
L |
L |
L |
L |
L |
L |
L | H |
H |
L |
L | H |
L |
H | L |
L | H | H |
L |
H |
H |
L |
L |
H | L |
H |
L | H | L |
H |
H |
H | L | L |
H |
H |
H | H |
H |
H |
H = HIGH Level
L = LOW Level
X = Don't Care