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UPD16634A - 300-OUTPUT TFT-LCD SOURCE DRIVER

General Description

The µPD16634A is a source driver for TFT-LCDs capable of dealing with displays 64 gray scales.

Key Features

  • 300 outputs.
  • CMOS level input.
  • Input of 6 bits (gradation data) by 6 dots.
  • Capable of outputting 64 values by means of 5-by-2 external power modules (10 units) and a D/A converter 5 5 5.
  • Output dynamic range : VSS2+0.1 V to VDD2.
  • 0.1 V.
  • Logic part supply voltage (VDD1) : 3.3 V ± 0.3 V.
  • Driver part supply voltage (VDD2) : 8.0 V ± 0.5 V.
  • High-speed data transfer: fMAX=40 MHz MIN. (internal data transfer rate when operat.

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Full PDF Text Transcription (Reference)

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DATA SHEET MOS INTEGRATED CIRCUIT µPD16634A 300-OUTPUT TFT-LCD SOURCE DRIVER (COMPATIBLE WITH 64 GRAY SCALE) DESCRIPTION The µPD16634A is a source driver for TFT-LCDs capable of dealing with displays 64 gray scales. Data input is based on digital input configured as 6 bits by 6 dots (2 pixels), which can realize a full-color display of 260,000 colors by output of 64 values γ -corrected by an internal D/A converter and 5-by-2 external power modules. Because the 5 output dynamic range is as large as VSS2+0.1 V to VDD2−0.1 V, level inversion operation of the LCD’s common electrode is rendered unnecessary.