ST3485E STMicroelectronics, ST3485E Datasheet - Page 4

• Manufacturer Part Number: ST3485E
• Description: TRASMIT AT UP TO 12MBPS TRUE RS-485/RS-422 TRANSCEIVER
• Manufacturer: STMicroelectronics

Truth tables
2
Table 2.
Note:
Table 3.
Note:
4/22
RE
H
L
L
L
RE
H
X
X
L
DE
L
L
L
L
Truth tables
Truth table (driver)
X= Don’t care; Z=High impedance
Truth table (receiver)
X= Don’t care; Z=High impedance
Inputs
DE
H
H
L
L
INPUTS
Inputs Open
A-B
-0.2V
0.2V
X
DI
H
X
X
L
B
H
L
Z
Z
Outputs
OUTPUT
RO
H
H
L
Z
A
H
L
Z
Z
Shutdown
Shutdown
Normal
Normal
Normal
Normal
Normal
Normal
MODE
Mode
ST3485E