| 摘要 |
A latchable voltage level shifter is provided. The latchable voltage level shifter comprises: a voltage level shifter receiving an original input signal and generating a high voltage signal according to a timing sequence of a first phase control signal; and a high voltage flip-flop, coupled to the voltage level shifter, receiving the high voltage signal and a second phase control signal, the high voltage flip-flop latching the high voltage signal according to a timing sequence of the second phase control signal and outputting a high voltage output signal. The latchable voltage level shifter can be used in a source drive circuit so as to reduce the layout area and production cost.
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