– 4 –

LCX019AM

Input Equivalent Circuit

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

resistance of 1M

Ω (typ.). The equivalent circuit of each input pin is shown below: (The resistor value: typ.)

Input

LC

Level conversion circuit

(single-phase input)

2.5k

Ω

2.5k

Ω

Input

Level conversion circuit

(single-phase input)

250

Ω

250

Ω

Input

Level conversion circuit

(single-phase input)

2.5k

Ω

2.5k

Ω

Input

250

Ω

250

Ω

250

Ω

250

Ω

Level conversion circuit

(2-phase input)

Input

Signal line

(1) SIG1, SIG2, SIG3, SIG4, SIG5, SIG6, PSIG

(2) HCK1, HCK2

(3) RGT

(4) HST

(5) PCG, VCK

(6) VST, ENB, DWN

(7) COM

1M

Ω

Input

1M

Ω

1M

Ω

1M

Ω

1M

Ω

Level conversion circuit

(single-phase input)

250

Ω

250

Ω

Input

1M

Ω

1M

Ω

1M

Ω