SP3070-3078E Datasheet, PDF (12/19 Pages) Sipex 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
Date: 03/28/05
SP3070E - SP3078E Family, ±15kV ESD-Protected, Failsafe RS-485/RS422 Transceivers
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© Copyright 2005 Sipex Corporation