SP4082E Datasheet, PDF (10/14 Pages) Exar Corporation – 5V RS-485/RS-422 Transceivers 1/8th Unit Load, Slew-Rate Limited, ±15kV ESD-Protected

FUNCTION TABLES
Transmitting
Inputs
Outputs
RE
DE
DI
A
B
X
1
1
1
0
X
1
0
0
1
0
0
X
High-Z
1
0
X
Shutdown
Receiving
Inputs
Output
RE
DE
V_A - V_B
RO
0
X
≥ -40mV
1
0
X
≤-200mV
0
0
X
Open/shorted
1
1
1
X
High-Z
1
0
X
Shutdown
Note: Receiver inputs -200mV < VA - VB < -40mV, should be considered indeterminate
Exar Corporation 48720 Kato Road, Fremont CA, 94538 • (510)6687000 • Fax [phone] • www.exar.com
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SP4082E_100_122007