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參數(shù)資料
| 型號： | 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)動器) |
| 中文描述： | 水平驅(qū)動的TFT型液晶彩色電視（的TFT型液晶彩色電視機(jī)水平驅(qū)動器） |
| 文件頁數(shù)： | 8/64頁 |
| 文件大小： | 702K |
| 代理商： | HD66300T |
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HD66300T
1459
Block Functions
Shift Register:
The shift register generates the sampling timing for video signals. It is driven by three-
phase clocks HCK1, HCK2, and HCK3, whose phases are different from each other by 120°; each clock
determines the sampling timing for one color signal so that three clocks support the three color signals R,
G, and B. The shift direction of this register can be changed.
Level Shifter:
The level shifter changes 5-V signals into 20-V signals.
Sample and Hold Circuitry:
In double-rate sequential drive mode, two sample and hold circuits are
selected to sample video signals during one horizontal scanning period out of the four circuits attached to
one LCD drive signal. One of the two selected circuits is read out in the first half of the following
horizontal scanning period, and the other selected circuit is read out in the second half. While the two
circuits are being read out, the other two circuits sample signals and are alternately read out in the same
procedure mentioned above.
In single-rate sequential drive mode, one sample and hold circuit samples a signal during one horizontal
scanning period, and is read out in the following horizontal scanning period. While it is being read out,
one circuit out of the other three samples a signal.
Shift Matrix Circuit:
The shift matrix circuit, a color sequence controller, changes over the sampled
video signal every horizontal scanning period.
Output Buffer:
The output buffer consists of a source follower circuit and can change the through-rate of
an output signal by changing the external bias voltage.
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相關(guān)代理商/技術(shù)參數(shù) |
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| HD66310T | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:LCD Display Driver |
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| HD66310T0015 | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:LCD Display Driver |
| HD66320T | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:LCD Display Driver |
| HD66322T | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:LCD Display Driver |
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