MC1489, MC1489A, SN55189, SN55189A, SN75189, SN75189A
QUADRUPLE LINE RECEIVERS
SLLS095D – SEPTEMBER 1973 – REVISED OCTOBER 1998
PARAMETER MEASUREMENT INFORMATION
V
CC
Output
R
L
Pulse
Generator
(see Note A)
See Note C
= 15 pF
C
L
Response
Control
Open
(see Note B)
TEST CIRCUIT
≤10 ns
≤10 ns
4 V
0 V
90%
50%
90%
50%
Input
10%
10%
t
t
PHL
PLH
V
OH
90%
90%
50%
10%
50%
Output
10%
V
OL
t
t
TLH
THL
VOLTAGE WAVEFORMS
NOTES: A. The pulse generator has the following characteristics: Z = 50 Ω, t = 500 ns.
O
w
B.
C includes probe and jig capacitances.
L
C. All diodes are 1N3064 or equivalent.
Figure 4. Test Circuit and Voltage Waveforms
6
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