SN75LVDS179, SN75LVDS180, SN75LVDS050, SN75LVDS051
HIGH-SPEED DIFFERENTIAL LINE DRIVERS AND RECEIVERS
SLLS361A – JUNE 1999 – REVISED MARCH 2000
PARAMETER MEASUREMENT INFORMATION
receiver (continued)
B
1.2 V
500 Ω
A
C
10 pF
+
–
L
V
O
V
TEST
Inputs
RE
NOTE A: All input pulses are supplied by a generator having the following characteristics: t or t ≤ 1 ns, pulse repetition rate (PRR) = 0.5 Mpps,
r
f
pulse width = 500 ± 10 ns. C includes instrumentation and fixture capacitance within 0,06 m of the D.U.T.
L
2.5 V
V
TEST
A
1 V
2 V
RE
1.4 V
0.8 V
t
PZL
R
t
t
PZL
PLZ
2.5 V
1.4 V
V
OL
+0.5 V
V
OL
0 V
V
TEST
A
1.4 V
2 V
RE
1.4 V
0.8 V
t
PZH
R
t
t
PZH
PHZ
V
OH
V
–0.5 V
OH
1.4 V
0 V
Figure 7. Enable/Disable Time Test Circuit and Waveforms
12
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