480-OUTPUT TFT-LCD SOURCE DRIVER (COMPATIBLE WITH 64-GRAY SCALES)

The UPD16772B is a source driver for TFT-LCDs capable of dealing with Displays with 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 -corrected by an internal D/A Converter and 5-by-2 external Power Modules Because the output dynamic range is as large as VSS2 + 0.1 V to VDD2 0.1 V, level inversion operation of the LCDs comm electrode is rendered unnecessary. Also, to be able to deal with dot-line inversion, n-line inversion and column line inversion when mounted on a single side, this source driver is equipped with a built-in 6-bit D/A Converter circuit whose odd output pins and even output pins respectively output gray scale voltages of differing polarity. Assuring a Clock frequency of 45 MHz when driving at 2.3 V, this driver is applicable to UXGA-standard TFT-LCD panels. By NEC Electronics Inc.
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