Datasheet

Fail-Safe, High-Speed (10Mbps),
Slew-Rate-Limited RS-485/RS-422 Transceivers
Function Tables (continued)
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 High-Z
1 0 X Shutdown
RECEIVING
INPUTS OUTPUT
RE
DE A-B RO
0 X ≥ -0.05V 1
0 X ≤ -0.2V 0
0 X Open/shorted 1
1 1 X High-Z
1 0 X Shutdown
MAX3089
TRANSMITTING
INPUTS OUTPUTS
TXP
RE
DE DI Z Y
0 X 1 1 0 1
0 X 1 0 1 0
1 X 1 1 1 0
1 X 1 0 0 1
X 0 0 X High-Z High-Z
X 1 0 X Shutdown
INPUTS OUTPUT
H/F
RXP
RE
DE A-B Y-Z RO
0 0 0 X ≥ -0.05V X 1
0 0 0 X ≤ -0.2V X 0
0 1 0 X ≥ -0.05V X 0
0 1 0 X ≤ -0.2V X 1
1 0 0 0 X ≥ -0.05V 1
1 0 0 0 X ≤ -0.2V 0
1 1 0 0 X ≥ -0.05V 0
1 1 0 0 X ≤ -0.2V 1
0 0 0 X
Open/
shorted
X 1
1 0 0 0 X
Open/
shorted
1
0 1 0 X
Open/
shorted
X 0
1 1 0 0 X
Open/
shorted
0
X X 1 1 X X High-Z
X X 1 0 X X Shutdown
RECEIVING
MAX3082/MAX3085/MAX3088
MAX3080–MAX3089
12
Maxim Integrated