Zywyn Corporation
ZT4xxER
FunctionTable
ZT487E/ZT485ER
DRIVER
Enable
RECEIVER
Outputs
Differential Inputs
Input
DI
Enable
RE
Output
RO
VID = VA - VB
DE
A
B
VID ≤ -0.2V
H
L
H
H
H
L
L
H
Z
L
L
L
L
U
H
Z
Z
-0.2V < VID < +0.2V
+0.2V ≤ VID
X
L
Z
H
Z
L
X
X
Open
X
H
H
Open
Z
Open
ZT488ER/ZT490ER
DRIVER
RECEIVER
Outputs
Differential Inputs
VID = VA - VB
Input
DI
Output
RO
Y
Z
VID ≤ -0.2V
H
L
H
L
L
H
Z
L
L
U
H
Z
Z
-0.2V < VID < +0.2V
+0.2V ≤ VID
X
Z
H
Z
X
X
Open
X
Z
ZT489ER/ZT491ER
DRIVER
Enable
RECEIVER
Outputs
Differential Inputs
VID = VA - VB
Input
DI
Enable
RE
Output
RO
DE
Y
Z
VID ≤ -0.2V
H
L
H
H
H
L
L
H
Z
L
L
L
L
U
H
Z
Z
-0.2V < VID < +0.2V
+0.2V ≤ VID
X
L
Z
H
Z
L
X
X
Open
X
H
H
Open
Z
Open
Note:
H = High Level; L = Low Level; Z = High Impedance; X = Irrelevant; U = Undetermine State.
Specifications subject to change without notice
Zywyn
8
February2005
rev.1.2
ASIX [ ASIX ELECTRONICS CORPORATION ]
