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LCX019AM

Input Signals

1. Input signal voltage conditions

(Vss = 0V)

Item

H driver input voltage

RGT, HST, HCK1, HCK2

(Low)

(High)

(Low)

(High)

VHIL

VHIH

VVIL

VVIH

VVC

Vsig

Vcom

Vpsig

–0.5

4.5

–0.5

4.5

6.8

VVC – 4.5

VVC – 0.3

VVC ± 3.4

0.0

5.0

0.0

5.0

7.0

—

VVC – 0.2

VVC ± 3.5

0.3

5.5

0.3

5.5

7.2

VVC + 4.5

VVC – 0.1

VVC ± 3.6

V

V

V

V

V

V

V

V

V driver input voltage

ENB, VCK, PCG, VST, DWN

Video signal center voltage

Uniformity improvement signal input

Symbol

Min.

Typ.

Max.

Unit

and symmetrically with respect to VVC. Also, the PSIG rise and fall shall be synchronized with the PCG

pulse rise and the time between the rise trPSIG and fall tfPSIG shall be kept to 800ns or less. (See the

figure below.)

Uniformity Improvement Signal PSIG Input Waveform

Level Conversion Circuit

The LCX019AM has a built-in level conversion circuit in the clock input unit on the panel. The input signal level

trPSIG

tfPSIG

VVC

PSIG

PCG

90%

10%