| 摘要 |
A shift register including a plurality of stage circuits is provided. Each of the stage circuits has a shift circuit for receiving an input signal and providing an output signal. The output signal is obtained through the logic calculation and delaying of the input signal. Each of the stage circuits, except the first one, further includes a logic circuit used to produce at least one control signal according to the internal signals of the containing stage circuit, so as to replace at least one of the required clock signals during the operation of the corresponding shift circuit.
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