S6C0647 Datasheet, PDF (13/14 Pages) Samsung semiconductor – 256 CHANNEL TFT-LCD GATE DRIVER

256 CH. TFT-LCD GATE DRIVER
VOLTAGE BIASING
The driver negative power supply, VSS2, can be any value between VLO and VLO - 15V.
And VSS2 is internally connected to the logic negative power supply, VSS1.
VGG (33 V)
VGG (40 V)
G1 to G256
S6C0647
G1 to G256
VDD (3.3 V)
Input
signal
Logic
Output
VLO (0 V)
VDD (3.3 V)
Input
signal
VLO (0 V)
= VOFF = VSS1
Logic
Output
VSS1 (-7 V)
= VOFF
Figure 4. Example of Voltage Biasing
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