各位電民，複習一下大學課程嘛。設計一個電路。要求按一次鍵產生一個與時鐘脈衝高電平一樣寬的單脈衝。

my answer

                   Vcc   +    +

                         |    |

                        +-+  +-+

                        | |  | |

                        | |  | |

                        +-+  +-+

                         |    |         +-------+

                D1       |    |         |       |

                O--------+----^---------|       |----------- z

             /                |         |       |

      +-----/                 |         |       |

      |                       |         |       |

      |         O-------------+---------|       |

      |         D2                      |       |

   =======                              |       |

     ===                        C ------|       |

      =                                 |       |

                                        +-------+

y3 = /C&Y3&Y2&Y1 + /C&D1&Y2&Y1 + C&D1&Y3&Y1 + C&Y3&/Y2 + C&/D1&/Y2&/Y1

y2 = /C&Y2&Y1 + Y3&/Y1 + D1&Y3&Y2 + C&/Y3&Y1

y1 = Y3&/Y2 + C&/y3&Y1 + /Y2&Y1 + D1&Y1 + /C&/D2&/Y2 + C&/D1&/Y2

z = /Y3&Y2&Y1