ISL8483, ISL8485, ISL8488, ISL8489, ISL8490, ISL8491

FN6046 Rev 9.00

Page 8 of 18

February 16, 2016

Test Circuits and Waveforms

FIGURE 2A. TEST CIRCUIT

FIGURE 2B. MEASUREMENT POINTS

FIGURE 2. DRIVER PROPAGATION DELAY AND DIFFERENTIAL TRANSITION TIMES

D

DE

DI

R

R

Z

Y

D

DE

DI

SIGNAL

GENERATOR

Z

Y

OUT (Y)

3V

0V

1.5V

1.5V

50%

50%

OUT (Z)

50%

50%

DIFF OUT (Y - Z)

90%

90%

10%

10%

DI