发明授权
US4642486A Decoder circuit using transistors or diodes of different characteristics
失效
解码电路采用晶体管或二极管的不同特性
- 专利标题： Decoder circuit using transistors or diodes of different characteristics
- 专利标题（中）： 解码电路采用晶体管或二极管的不同特性
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申请号： US686660申请日： 1984-12-27
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公开(公告)号： US4642486A公开(公告)日： 1987-02-10
- 发明人: Noriyuki Honma , Hiroaki Nambu , Isao Yoshida , Hisayuki Higuchi , Kunihiko Yamaguchi
- 申请人： Noriyuki Honma , Hiroaki Nambu , Isao Yoshida , Hisayuki Higuchi , Kunihiko Yamaguchi
- 申请人地址： JPX Tokyo
- 专利权人： Hitachi, Ltd.
- 当前专利权人： Hitachi, Ltd.
- 当前专利权人地址： JPX Tokyo
- 优先权： JPX58-246935 19831228
- 主分类号： G11C11/413
- IPC分类号： G11C11/413 ; G11C11/34 ; H03K17/60 ; H03K17/62 ; H03K19/013 ; G11C8/00 ; H03K19/082 ; H03K19/092
摘要：
This invention is effective in the speeding up of a decoder circuit and maintenance of output amplitude. The invention is characterized in that, in a decoder circuit composed of a multi-emitter transistor or at least one diode group in which the anodes of a plurality of diodes are connected, and a charge circuit having an output emitter follower transistor, the multi-emitter transistor or the forward voltage of the diodes are larger than the voltage between the base and the emitter of the output emitter follower transistor.
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