Datasheet

MC1489, MC1489A, SN55189, SN55189A, SN75189, SN75189A
QUADRUPLE LINE RECEIVERS
SLLS095D – SEPTEMBER 1973 – REVISED OCTOBER 1998
6
POST OFFICE BOX 655303 • DALLAS, TEXAS 75265
PARAMETER MEASUREMENT INFORMATION
90%
50%
10%
t
THL
t
TLH
t
PLH
10%
50%
90%
V
OL
V
OH
0 V
4 V
≤10 ns
10%
50%
90%
t
PHL
10%
50%
≤10 ns
V
CC
Pulse
Generator
(see Note A)
(see Note B)
C
L
= 15 pF
See Note C
R
L
Output
90%
Open
Control
Response
TEST CIRCUIT
VOLTAGE WAVEFORMS
Input
Output
NOTES: A. The pulse generator has the following characteristics: Z
O
= 50 Ω, t
w
= 500 ns.
B. C
L
includes probe and jig capacitances.
C. All diodes are 1N3064 or equivalent.
Figure 4. Test Circuit and Voltage Waveforms