Datasheet

MAX3080E–MAX3089E
±15kV ESD-Protected, Fail-Safe, High-Speed (10Mbps),
Slew-Rate-Limited RS-485/RS-422 Transceivers
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Pin Description (continued)
Function Tables
TRANSMITTING
INPUTS OUTPUTS
RE
DE DI Z 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
TRANSMITTING
INPUT OUTPUTS
DI Z Y
1 0 1
0 1 0
RECEIVING
INPUTS OUTPUT
A - B RO
≥ -0.05V 1
≤ -0.2V 0
Open/shorted 1
X = Don’t care
Shutdown mode, driver and receiver outputs high impedance
*
(MAX3089E only). In half-duplex mode, the driver outputs serve as receiver inputs. The full-duplex receiver inputs (A and B) will still
have a 1/8-unit load, but are not connected to the receiver.
MAX3081E/MAX3084E/MAX3087EMAX3080E/MAX3083E/MAX3086E
FUNCTIONNAME
Not Connected. Not internally connected.N.C.————1, 8, 13
Positive Supply 4.75V ≤ V
CC
≤ 5.25VV
CC
14148114
Receiver Phase. Connect RXP to GND, or leave uncon-
nected for normal receiver phase/polarity. Connect to
V
CC
to invert the receiver phase/polarity.
RXP1313———
Noninverting Receiver Input and Noninverting Driver
Output
A——6——
Receiver Input Resistors*
HALF-
DUPLEX
DEVICES
FULL-
DUPLEX
MODE
HALF-
DUPLEX
MODE
A12————
Noninverting Receiver InputA—12—812
MAX3081E
MAX3084E
MAX3087E
MAX3080E
MAX3083E
MAX3086E
MAX3082E
MAX3085E
MAX3088E
MAX3089E
FULL-DUPLEX
DEVICES
PIN