Binary adder
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United States of America Patent
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May 16, 1989
Grant Date -
N/A
app pub date -
Nov 25, 1985
filing date -
Nov 25, 1985
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A binary adder stage in which the two binary inputs are logically combined to produce the Exclusive-OR, the Exclusive-NOR, the NAND and the NOR functions of the two inputs. The carry-input signal is then used to control the generation of the sum output and the carry-output. When the carry-input signal has one binary value, the Exclusive-OR function and the AND function of the binary inputs are produced at the SUM and C.sub.OUT outputs. When the carry-input signal has the other binary value the Exclusive-NOR function and the OR function of the two binary inputs are produced at the SUM and C.sub.OUT outputs.
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