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HD66339

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HD66339 数据手册

HD66339 (TFT Driver)

64-level Grayscale Driver with 480 Outputs for the TFT

Liquid Crystal Display for SXGA and UXGA Systems

ADE-207-332(Z)

Rev.1.0

Nov. 2001

Description

The HD66339 is a TFT driver LSI suitable for UXGA systems (ten HD66339s used). It receives 6-bit-per-

pixel digital display data, and generates and outputs voltages for 64 grayscales. The output circuit includes

an operational amplifier and is capable of alternating outputs of positive-polarity and negative-polarity

voltages on individual output pins. This results in a high-quality display with minimal crosstalk.

The effective output voltage deviation is limited to about ±2 mV by incorporating the original chopper-type

amplifier circuit.

Features

•

High-speed operation

Operating clock: 55 MHz (Vcc = 2.7 to 3.6 V) and 45 MHz (Vcc = 2.3 to 2.7 V)

•

Operational power-supply voltage range

V_CC= 2.3 to 3.6 V

V_LCD= 6.5 to 10.0 V

•

LCD drive voltage

Low-voltage side: GND + 0.1 to V_LCD/2 (V)

High-voltage side: V_LCD/2 to V_LCD- 0.1 (V)

•

480 LCD drive circuits

Output voltage deviation

±2 mV (effective value)

12 3 4 5 6 7...31

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