STMicroelectronics ST485ECDR Linear IC ST485ECDR Fiche De Données
Codes de produits
ST485ECDR
Truth tables
ST485EB - ST485EC - ST485EX
4/18
2 Truth
tables
Note:
X = Don’t care; Z = High impedance
Note:
X = Don’t care; Z = High impedance
Table 3.
Truth table (driver)
Inputs
Outputs
RE
DE
DI
B
A
X
H
H
L
H
X
H
L
H
L
X
L
X
Z
Z
Table 4.
Truth table (receiver)
Inputs
Outputs
RE
DE
A-B
RO
L
L
≥
+0.2V
H
L
L
≤
-0.2V
L
L
L
Inputs open
H
H
L
X
Z