Samsung KS0649 Datasheet
256 CHANNEL TFT-LCD GATE DRIVER
KS0649
written permission of LCD Driver IC Team.
Prepared by: Jae il Byeon
November. 1999.
Ver. 0.1
kerigma@samsung.co.kr
Contents in this document are subject to change without notice. No part of this document may be reproduced
or transmitted in any form or by any means, electronic or mechanical, for any purpose, without the express
KS0649 256 CH. TFT-LCD GATE DRIVER
KS0649 Specification Revision History
Version Content Date
0.0 Original Aug.1999
0.1 The contents of page 9 and 10 have been modified Nov.1999
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256 CH. TFT-LCD GATE DRIVER KS0649
CONTENTS
INTRODUCTION.................................................................................................... 4
FEATURES ............................................................................................................ 4
BLOCK DIAGRAM................................................................................................. 5
PIN ASSIGNMENTS............................................................................................. 6
PIN DESCRIPTIONS.............................................................................................. 7
ABSOLUTE MAXIMUM RATINGS........................................................................ 8
RECOMMENDED OPERATION RATINGS........................................................... 8
DC CHARACTERISTICS....................................................................................... 9
AC CHARACTERISTICS..................................................................................... 10
AC TIMING DIAGRAM......................................................................................... 11
OPERATION DESCRIPTION............................................................................... 12
OPERATION METHOD ........................................................................................................ 12
OUTPUT PIN........................................................................................................................ 12
VOLTAGE BIASING ............................................................................................................. 13
RECOMMENDED TIMING.................................................................................................... 14
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KS0649 256 CH. TFT-LCD GATE DRIVER
INTRODUCTION
The KS0649 is a TFT-LCD gate driver having 256 outputs. It can drive TFT panel gate ON voltage up to 40
V. It can operate within the logic voltage 2.7 to 5.5 V.
FEATURES
• 256 outputs
• Maximum TFT panel gate ON voltage = 40 V
• Bi - directional shift register
• Logic supply voltage = 2.7 to 5.5 V
• TCP
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256 CH. TFT-LCD GATE DRIVER KS0649
BLOCK DIAGRAM
VDD
VLO
VSS1
U/D
CPV
S / R
DI/O
001
S / R
002
256 Shift Register
S / R
255
S / R
256
DO/I
OE1
OE2
OE3
VGG
VSS2
Level Shifter
256 Ouput Buffer
G001 G002 G255 G256
Figure 1. Block Diagram
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