Date: 03/28/05

SP3070E - SP3078E Family, ±15kV ESD-Protected, Failsafe RS-485/RS422 Transceivers

© Copyright 2005 Sipex Corporation

8

Y

Z

D

DI

54

Ω

50pF

3.3V

FIGURE 3. DRIVER PROPAGATION DELAY TIME TEST CIRCUIT AND TIMING

DIAGRAM

FIGURE 1. DRIVER DC TEST CIRCUIT

FIGURE 2. RECEIVER DC TEST CIRCUIT

Z

Y

10%

90%

10%

90%

0

DI

OUT

R

A

B

RE

R/2

R/2

D

0 or 3V