BLOCK DIAGRAM
GENERAL DESCRIPTION
FEATURES
CS5855
TFT-LCD Gate Driver (200/240/256/263 Outputs)
USA:
4020 Moorpark Avenue Suite 115
San Jose, CA, 95117
Tel: 408-243-8388 Fax: 408-243-3188
Sales@myson.com.tw
www.myson.com.tw
Rev.1.0 July 2003
page 1 of 1
Myson Century, Inc.
Taiwan:
No. 2, Industry East Rd. III,
Science-Based Industrial Park, Hsin-Chu, Taiwan
Tel: 886-3-5784866 Fax: 886-3-5784349
The CS5855 is a TFT-LCD gate driver with
optional 200/240/256/263 outputs for XGA/SXGA
display systems. The logic and control portion is
implemented in standard CMOS circuits while the
output drivers use high voltage CMOS design. The
low voltage part includes a 263-stage bidirectional
shift register with right and left shift I/O for cascading.
The output of the shift is then levelly translated to
drive the high voltage output buffer. There are four
supply voltages for the CS5855. VDD/VLL are the
supply voltages for logic interfaces. Typically VDD is
at 3.3V while VLL is 0V. VGON and VSS are the
supply voltages for the output driver. VSS is the
most negative supply voltage for the internal
substrate of the CS5855.
The CS5855 allows one output enable control
signal (OE) and one global on control signal (XON)
and optional output channels control (MODE1 and
MODE2).
200/240/256/263 gate driver outputs
Bidirectional shift control and cascadable
Output enable and global on control
Maximum shift clock frequency up to 500KHz
3.3 CMOS logic I/O
High voltage output drive
Operating supply range
Logic (VDD-VLL: 3.3V)
Output Drive (VGON-VSS: 40V)
COF package
DIOL
SCLK
SHIFT CONTROL REGISTER
CS5855
ENABLE CONTROL
OUTPUT BUFFER
LEVEL SHIFT
DIOR
RL
OE
XON
VGON
OUT1 OUT2
OUT262 OUT263
VDD
VLL
VSS
MODE1
MODE2
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