AD120

Preliminary

3-Level / 258 Outputs TFT LCD Gate Driver

PRELIMINARY

(August, 2001, Version 0.0)

1

AMIC Technology, Inc

Features

n TFT LCD gate driver

n 3-level / 258 outputs

n 40V max. for each output

n -15V min. for each output

n 2.7V~3.6V logic input/output level

n Bi-directional data shift control

n Output waveform control

n TCP available

AD120 is a gate driver for TFT LCD panel. There are 258 outputs in the chip. Three-level output allows voltage correction for

better switching noise rejection. It can be used for XGA / SXGA panels.

Block Diagram

Shift Register

Decoder

Output

.........

.........

.........

ST1X

ST2X

.........

ST2

ST1

CP

XOFF

XON

OGW

VH

VOFF

VL

VDD

VSS

OUT0 OUT1 OUT2

OUT255 OUT256 OUT257

R/L