5
PS8535C 10/04/04
PI90LV211/PI90LVT211
1:6 Differential Clock
Distribution Chip
Figure 4. Test Circuit, Timing, & Voltage Definitions for the Differential Output Signal
Parameter Measurement Information (continued)
Note:
1. All input pulses are supplied by a generator having the following characteristics: t
r
or t
f
≤ 1ns, Pulse Repetition Rate
(PRR) = 15 Mpps, Pulse width = 10 ±0.2ns. C
L
includes instrumentation and fixture capacitance within 0.06m of the D.U.T.
Note:
1. All input pulses are supplied by a generator having the following characteristics: t
r
or t
f
≤ 1ns, Pulse Repetition Rate
(PRR) = 0.5 Mpps, Pulse width = 500 ±10ns. C
L
includes instrumentation and fixture capacitance within 0.06m of the D.U.T.
Figure 5. Enable & Disable Time Circuit & Definitions
Input
1.4V
32V
100%
80%
20%
0%
Input
Output
0V
V
OD
C
L
= 10pF
V
OD(H)
t
PLH
t
f
t
r
t
PHL
V
OD(L)
100Ω ±1%
0.8V
(2 places)
D
OUT+
D
OUT–
0.8V or 2V
Input
49.9Ω ±1% (2 places)
1.2V
+
–
≅1V
Input
2V
1.2V
1.1V
1.4V
0.8V
t
PZL
t
PLZ
1.2V
V
ODOUT+
or
V
ODOUT–
V
ODOUT–
or
V
ODOUT+
≅1.4V
1.3V
t
PZH
t
PHZ
D
OUT+
D
OUT–
V
ODOUT+
V
ODOUT–
