MC1489, MC1489A, SN55189, SN55189A, SN75189, SN75189A
QUADRUPLE LINE RECEIVERS
SLLS095D – SEPTEMBER 1973 – REVISED OCTOBER 1998
†
PARAMETER MEASUREMENT INFORMATION
V
CC
V , V
IT
1
–I
OH
V
OH
Response
Control
I
OL
V
OL
Open
R
R
C
C
Unless
Otherwise
Specified
C
C
–V
+V
C
C
Figure 1. V
, V
, V
, V
OL
IT+
IT–
OH
V
CC
I
CC (see Note A)
I
IH
V
I
Open
I
IL
Response Control Open
NOTE A: I
is tested for all four receivers simultaneously.
CC
Figure 2. I , I , I
IH IL CC
V
CC
–I
OS
Response
Control
Open
Figure 3. I
OS
†
Arrows indicate actual direction of current flow. Current into a terminal is a positive value.
5
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