HT1609 データシートの表示（PDF） - Holtek Semiconductor

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HT1609

2×40 Channel LCD Driver

Holtek Semiconductor 

HT1609L

Static driver

When the HT1609L is used as a static driver,

data is transferred on the falling edge of CLK2

and latched on the falling edge of CLK1. The

frequency of CLK1 becomes the frame fre-

quency of the LCD driver. The frequency of ALT

has to be twice the frequency of CLK1. ALT has

to be synchronized on the falling edge of CLK1.

The power supply for the LCD driver is used by

shortening V1, V4 or V2, V3. The application

circuit connections are shown below:

Timing Diagrams

9

25th Aug ’98

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