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HD66774 - 240-Channel Gate Driver

General Description

UHD66774 is a gate-driver IC for systems with color-TFT-liquid-crystal dot-matrix graphic displays.

Key Features

  • ta.
  • TFT gate-line driving circuits a 240 outputs . D.
  • Gate-line scanning  Centering-screen function (vertically separated, comb type) w.
  • Internal power-supply circuit  Step-up circuit: five to nine times, positive-polarity inversion w Structur.

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Full PDF Text Transcription (Reference)

The following content is an automatically extracted verbatim text from the original manufacturer datasheet and is provided for reference purposes only.

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HD66774 Rev. 1.0 July 2002 HD66774 240-Channel Gate Driver for Color-TFT Liquid Crystal Displays mRev.1.0 oJuly 2002 .cDescription UHD66774 is a gate-driver IC for systems with color-TFT-liquid-crystal dot-matrix graphic displays. t4It incorporates a circuit for driving 240 channels of TFT gate-line driving and all the power-supply circuits that are required for liquid crystal displays, and realizes the liquid crystal display by adding only an external capacitor. eeWhen used with the HD66770 396-channel source driver with on-chip RAM, and used with the HD66772 528-channel source driver with on-chip RAM, this LSI is suitable for color TFT displays hof cellular phones having 132-by-176 and 176-by-240 dots, respectively. SFeatures ta• TFT gate-line driving circuits a 240 outputs .