SP3070E Datasheet, PDF (12/20 Pages) Exar Corporation – ±15kV ESD-Protected, 3.3V, 1/8 Load, Failsafe RS-485/RS422 Transceivers

SP3070E, SP3073E, SP3076E (Full Duplex)
TRANSMITTING
Inputs
Outputs
RE
DE
DI
Z
Y
X
1
1
0
1
X
1
0
1
0
0
0
X
High-Z
1
0
X
Shutdown
SP3071E, SP3074E, SP3077E (Full Duplex)
TRANSMITTING
Inputs
Outputs
DI
Z
Y
1
0
1
0
1
0
SP3072E, SP3075E, SP3078E (Half Duplex)
TRANSMITTING
Inputs
Outputs
RE
DE
DI
B/Z
A/Y
X
1
1
0
1
X
1
0
1
0
0
0
X
High-Z
1
0
X
Shutdown
function tables
SP3070E, SP3073E, SP3076E (Full Duplex)
RECEIVING
Inputs
Output
RE
DE
A, B
RO
0
X
≥ -50mV
1
0
X
≤-200mV
0
X
X
Open,
1
Shorted
1
1
X
High-Z
1
0
X
Shutdown
SP3071E, SP3074E, SP3077E (Full Duplex)
RECEIVING
Inputs
Output
A, B
RO
≥ -50mV
1
≤-200mV
0
Open/shorted
1
SP3072E, SP3075E, SP3078E (Half Duplex)
RECEIVING
Inputs
Output
RE
DE
A, B
RO
0
X
≥ -50mV
1
0
X
≤-200mV
0
X
X Open/shorted
1
1
1
X
High-Z
1
0
X
Shutdown
Exar Corporation 48720 Kato Road, Fremont CA, 94538 • 510-668-7017 • www.exar.com
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SP3070E-SP3078E_100_061109