Datasheet

TEST CIRCUIT VOLTAGE WAVEFORMS
50 Ω
Generator
(see Note B)
±3 V
Output
V
OL
V
OH
t
PZH
(S1 at GND)
3 V
0 V
0.3 V
Output
Input
0.3 V
3 V or 0 V
FORCEON
FORCEOFF
NOTES: A. C
L
includes probe and jig capacitance.
B. The pulse generator has the following characteristics: Z
O
= 50 Ω, 50% duty cycle, t
r
≤ 10 ns, t
f
≤ 10 ns.
C. t
PLZ
and t
PHZ
are the same as t
dis
.
D. t
PZL
and t
PZH
are the same as t
en
.
1.5 V 1.5 V
50%
t
PHZ
(S1 at GND)
t
PLZ
(S1 at V
CC
)
50%
t
PZL
(S1 at V
CC
)
R
L
S1
V
CC
GND
C
L
(see Note A)
Output
SN65C3243 , SN75C3243
www.ti.com ................................................................................................................................................. SLLS353H – JUNE 1999 – REVISED SEPTEMBER 2008
PARAMETER MEASUREMENT INFORMATION (continued)
Figure 4. Receiver Enable and Disable Times
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