ADDITION METHOD, SEMICONDUCTOR DEVICE, AND ELECTRONIC DEVICE
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United States of America Patent
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Issued Date -
Feb 15, 2024
app pub date -
Sep 6, 2023
filing date -
Nov 17, 2017
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Abstract
An adder circuit inhibiting overflow is provided. A first memory, a second memory, a third memory, and a fourth memory are included. A step of supplying first data with a sign to the first memory and supplying the first data with a positive sign stored in the first memory, to the second memory; a step of supplying the first data with a negative sign stored in the second memory, to the third memory; a step of generating second data by adding the first data with a positive sign stored in the second memory and the first data with a negative sign stored in the third memory; and a step of storing the second data in the fourth memory are included. When the second data stored in the fourth memory are all second data with a positive sign or all second data with a negative sign, all the second data stored in the fourth memory are added.
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