參數(shù)資料
型號(hào)： HD66300T
廠商： Hitachi,Ltd.
英文描述： Horizontal Driver for TFT-Type LCD Color TV(TFT型LCD彩色電視機(jī)水平驅(qū)動(dòng)器)
中文描述： 水平驅(qū)動(dòng)的TFT型液晶彩色電視（的TFT型液晶彩色電視機(jī)水平驅(qū)動(dòng)器）
文件頁(yè)數(shù)： 23/64頁(yè)
文件大小： 702K
代理商： HD66300T
HD66300T
1474
Internal Operation
The HD66300T has four sample and hold circuits for each outputs as shown in the block diagram, and its
internal bidirectional shift register controls which circuits to sample data.
It has three-phase shift clocks with mutual phase difference of 120° to drive the shift register, which
enables driving an LCD panel with mosaic pattern and triangular pattern.
The operation of sample and hold circuits and sampling operation are described below followed by the
description of the relationship between three-phase shift clock phases and frequencies.
After the above description, determination of bias voltage is described; bias voltage controls driving
characteristics of a differential amplifier and output buffer of the sample and hold circuits.
Finally, the OE and FD signals are described; they determine the operation of the sample and hold shift
matrix circuit. Timing charts for each mode follow the description.
Sample and Hold Circuitry
Operation of Sample and Hold Circuitry
The HD66300T has four sample and hold circuits A, B, C, and D per LCD drive signal output. Sample
and hold circuit pair A and B is supplied with the same sampling clock pulses as circuit pair C and D.
One of the signals output by these circuits is connected to an output driver.
These sample and hold circuits repeat sampling and outputting of signals alternately to drive an TFT-type
LCD panel.
Sample and hold
circuit (A)
Sample and hold
circuit (B)
Sample and hold
circuit (C)
Sample and hold
circuit (D)
Output driver
Output
Video
signals
input
Sampling
clock 1
Sampling
clock 2
Figure 8 Sample and Hold Circuitry
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
HD66310T 制造商:未知廠家 制造商全稱(chēng):未知廠家 功能描述:LCD Display Driver
HD66310T00 制造商:未知廠家 制造商全稱(chēng):未知廠家 功能描述:LCD Display Driver
HD66310T0015 制造商:未知廠家 制造商全稱(chēng):未知廠家 功能描述:LCD Display Driver
HD66320T 制造商:未知廠家 制造商全稱(chēng):未知廠家 功能描述:LCD Display Driver
HD66322T 制造商:未知廠家 制造商全稱(chēng):未知廠家 功能描述:LCD Display Driver
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