SLLS771B – NOVEMBER 2006 – REVISED MARCH 2007
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PARAMETER MEASUREMENT INFORMATION (continued)
V
CC
0 or 2.5 V
A
R
2.5 or 0 V
B
RE
Input
Generator
V
I
50
W
C
L
Includes Fixture and
Instrumentation Capacitance
Generator: PRR = 500 kHz, 50% Duty Cycle,
t
r
< 6 ns, t
f
< 6 ns, Z
O
= 50
W
A at 0 V
B at 2.5 V
S1 to C
V
O
C
1 k
W
±
1%
C
L
= 15 pF
±20%
A at 2.5 V
B at 0 V
S1 to D
3V
V
I
1.5 V
1.5 V
S1
D
0V
t
PZH
V
O
t
PZL
V
O
1.5 V
1.5 V
t
PHZ
VOH
-
0.5 V
V
OH
t
PLZ
»
0V
»
5V
V
OL
VOL + 0.5 V
Figure 9. Receiver Enable and Disable Test Circuit and Voltage Waveforms
0 V or 3 V
DE
D
Z
Y
A
R
100
W
100
W
B
±1%
+
-
Pulse Generator
15
m
s duration
1% Duty Cycle
t
r
, t
f
£
100 ns
+
-
±1%
RE
0 V or 3 V
A.
This test is conducted to test survivability only. Data stability at the R output is not specified.
Figure 10. Transient Overvoltage Test Circuit
8
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