SP4082E Datasheet, PDF (7/14 Pages) Exar Corporation – 5V RS-485/RS-422 Transceivers 1/8th Unit Load, Slew-Rate Limited, ±15kV ESD-Protected

DE= 3V
DI= 0 or VCC
Driver Differential Output Test Circuit
A/Y
D
B/Z
375
VOD
60
375
DESCRIPTION
VCM
Driver Enable and Disable Times Test Circuit and Timing Diagram
0 or VCC ^DI
Y S
D
Z
CL=50pF
GENERATOR
50½
OUT
RL= 500½
DE
OUT
tZL, tZL(SHDN)
VOM = (VOL + VCC)/2
VCC
VCC /2
0
0.25V
tLZ
0
Exar Corporation 48720 Kato Road, Fremont CA, 94538 • (510)6687000 • Fax [phone] • www.exar.com

SP4082E_100_122007