– 4 –

LCX018AK

Input Equivalent Circuit

To prevent static charges, protective diodes are provided for each pin except the power supply. In addition,

protective resistors are added to all pins except video signal input. The equivalent circuit of each input pin is

shown below. (The resistor value: typ.)

250

Ω

250

Ω

250

Ω

250

Ω

Level conversion circuit

(2-phase input)

HCK1

HCK2

1M

Ω

1M

Ω

2.5k

Ω

2.5k

Ω

Input

Level conversion circuit

(single-phase input)

250

Ω

250

Ω

Input

Input

From H driver

Signal line

(1) SIG1, SIG2, SIG3, SID

(2) HCK1, HCK2

(3) HST

(4) RGT, WID

(5) VCK1, VCK2

2.5k

Ω

2.5k

Ω

Input

(6) VST, DWN, EN

1M

Ω

250

Ω

250

Ω

250

Ω

250

Ω

VCK1

VCK2

1M

Ω

1M

Ω

1M

Ω

1M

Ω

1M

Ω

(7) PCG

250

Ω

250

Ω

Input

1M

Ω

Input

LC

(8) COM

1M

Ω

Level conversion circuit

(single-phase input)

Level conversion circuit

(2-phase input)

Level conversion circuit

(single-phase input)

Level conversion circuit

(single-phase input)