发明名称 |
Adder capable of usual addition and reverse carry addition |
摘要 |
An adder being adapted to switch by a control signal the respective functions of one terminal issuing a carry output and the other terminal given a signal thereto as a carry input, so that the adders for a plurality of bits are used to be realizable of an adding circuit which can perform usual addition and reverse carry addition only by changing the control signal.
|
申请公布号 |
US4897808(A) |
申请公布日期 |
1990.01.30 |
申请号 |
US19880209682 |
申请日期 |
1988.06.21 |
申请人 |
MITSUBISHI DENKI KABUSHIKI KAISHA |
发明人 |
NAKAGAWA, SHIN-ICHI;TERANE, HIDEYUKI;KAWAI, HIROYUKI;ISHIHARA, KAZUYA |
分类号 |
G06F7/50;G06F7/503;G06F7/508 |
主分类号 |
G06F7/50 |
代理机构 |
|
代理人 |
|
主权项 |
|
地址 |
|