Binary-coded decimal adder
A binary-coded decimal adder is disclosed. The BCD adder comprises a first binary to abacus (B/A) unit, a second binary to abacus (B/A) unit, a first parallel addition (P/A) unit, a second parallel addition (P/A) unit, a thermometric to binary (T/B) unit and a carry diagnostic unit. The adder transf...
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Format: | Patent |
Sprache: | chi ; eng |
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Zusammenfassung: | A binary-coded decimal adder is disclosed. The BCD adder comprises a first binary to abacus (B/A) unit, a second binary to abacus (B/A) unit, a first parallel addition (P/A) unit, a second parallel addition (P/A) unit, a thermometric to binary (T/B) unit and a carry diagnostic unit. The adder transfers the sum of a 4-bit binary addend and a 4-bit binary augend to a binary-coded decimal signal, and then output it. |
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