6 BIT 384 CHANNEL TFT-LCD SOURCE DRIVER
November. 1999.
Ver. 0.1
Prepared by
Dae-Young, Ahn
Mail: jesus9@samsung.co.kr
S6C0668
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
written permission of LCD Driver IC Team.
S6C0668
6 BIT 384 CHANNEL TFT-LCD SOURCE DRIVER
2
S6C0668 Specification Revision History
Version
Content
Date
0.0
Original
Aug.1999
0.1
The contents of page 16, 17 and 18 have been modified
Nov.1999
6 BIT 384 CHANNEL TFT-LCD SOURCE DRIVER
S6C0668
3
CONTENTS
INTRODUCTION ................................................................................................................................................. 4
FEATURES ......................................................................................................................................................... 4
BLOCK DIAGRAM .............................................................................................................................................. 5
PIN ASSIGNMENTS............................................................................................................................................ 6
PIN DESCRIPTIONS ........................................................................................................................................... 7
OPERATION DESCRIPTION .............................................................................................................................. 8
DISPLAY DATA TRANSFER............................................................................................................................ 8
EXTENSION OF OUTPUT ............................................................................................................................... 8
RELATIONSHIP BETWEEN INPUT DATA VALUE AND OUTPUT VOLTAGE ................................................. 8
ABSOLUTE MAXIMUM RATINGS .................................................................................................................... 15
RECOMMENDED OPERATION CONDITIONS ................................................................................................. 15
DC CHARACTERISTICS................................................................................................................................... 16
AC CHARACTERISTICS................................................................................................................................... 17
WAVEFORMS ................................................................................................................................................... 18
RELATIONSHIPS BETWEEN CLK1, START PULSE (DIO1, DIO2) AND BLANKING PERIOD....................... 19
S6C0668
6 BIT 384 CHANNEL TFT-LCD SOURCE DRIVER
4
INTRODUCTION
The S6C0668 is a 384 channel output, TFT-LCD source driver for an 64 gray-scale LCD panel. Data input is
based on digital input consisting of 6 bits by 6 dots, which can realize a full-color display of 260,000 colors by
output of 64 values gamma-corrected.
This device has an internal D/A (digital-to-analog) converter for each output and 10 (5-by-2) reference voltages.
Because the output dynamic range is as large as 4.8 - 7.8 Vp-p, it is unnecessary to operate level inversion of the
LCD's common electrode. Besides, to be able to deal with dot-line inversion when mounted on a single-side,
output gray-scale voltages with different polarity can be output to the odd number output pins and the even output
pins.
S6C0668 can be adopted to larger panel, and SHL (shift direction selection) pin makes the use of the LCD panel
connection conveniently. Maximum operation clock frequency is 55 MHz at 2.7 V logic operation, single edge
and it can be applied to the TFT-LCD panel of XGA to SXGA standard.
FEATURES
TFT active matrix LCD source driver LSI
64 gray-scale is possible through 10 (5-by-2) reference voltages and D/A converter
Both dot inversion display and N-line inversion display are possible
CMOS level input
Compatible with gamma-correction
Input data inversion function (DATPOL)
Logic supply voltage: 2.7 - 3.6 V
LCD driver supply voltage: 5.0 - 8.0 V
Output dynamic range: 4.8 - 7.8 Vp-p
Maximum operating frequency: fMAX = 55 MHz (internal data transmission rate at 2.7 V operation)
Output: 384 outputs
TCP available
6 BIT 384 CHANNEL TFT-LCD SOURCE DRIVER
S6C0668
5
BLOCK DIAGRAM
Output Buffer
D/A Converter
Data Register
64bit Shift Register
Data Control
SHL
6
Y001
Y002
Y003
Y382
Y383
Y384
DIO2
DIO1
CLK2
D00 - D05
D10 - D15
D20 - D25
D30 - D35
D40 - D45
D50 - D55
6
6
6
6
6
DATPOL
36
6
6
6
6
6
6
VGMA1 -
VGMA10
10
Data Latch
6
6
6
6
6
6
BIAS
POL
CLK1
TEST
Figure 1. S6C0668 Block Diagram
PDF 
ZIP