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ST3485E Просмотр технического описания (PDF) - STMicroelectronics

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

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