PI90LV022, PI90LVB022
LVDS Mux / Repeater
7
PS8488A 03/27/01
Parameter Measurement Information
Figure 3. Test Circuit and Voltage Definitions for the Differential Output Signal
Figure 4. Test Circuit and Definitions for the Driver Common-Mode Output Voltage
Y
Z
V
OD
Input
(see Note A)
C
L
= 10 pF
(2 Places)
(see Note C)
R
L
(see Note B)
100%
80%
20%
0%
V
OD
0
t
f
t
r
V
I(B)
V
I(A)
1.4 V
1 V
A
Pulse
Generator
B
RD
DE
Notes: A. All input pulses are supplied by a generator having the following characteristics: t
r
or t
f
≤ 1ns, pulse repetition rate (PRR) - 50 Mpps,
pulse width = 10 ±0.2ns.
B. R
L
= 100Ω or 50Ω ±1%.
C. C
L
includes instrumentation and fixture capacitance within 6mm of the D.U.T.
D. The measurement of V
OC(PP)
is made on test equipment with a –3dB bandwidth of at least 300 MHz.
Y
Z
Input
(see Note A)
C
L
= 10 pF
(2 Places)
(see Note C)
V
OC
A
V
CC
V
OC(PP)
(see
Note
D)
V
OC(SS)
V
I(B)
V
I(A)
Pulse
Generator
DE
B
RD
1.4 V
1 V
R
L
(see Note B)
(2 Places)
Notes: A. All input pulses are supplied by a generator having the following characteristics: t
r
or t
f
≤ 1ns, pulse repetition rate (PRR) - 50 Mpps,
pulse width = 10 ±0.2ns.
B. R
L
= 100Ω or 50Ω ±1%.
C. C
L
includes instrumentation and fixture capacitance within 6mm of the D.U.T.
D. The measurement of V
OC(PP)
is made on test equipment with a –3dB bandwidth of at least 300 MHz.
