Datasheet

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t
PHL
t
PLH
100%
0V Differential
0%
80%
20%
t
f
t
r
0.4 V
0 V
−0.4 V
Vcc
TMDS
Receiver
TMDS
Driver
Y
A
AVcc
C
L
0.5 pF
Vcc
Vcc−0.4 V
n
DC Coupled
Vcc+0.2 V
Vcc−0.2 V
AC Coupled
B
V
ID
= V
A
− V
B
V
swing
= V
Y
− V
Z
V
B
V
A
V
ID
V
Z
V
Y
Z
V
B
V
A
V
ID
V
ID
R
INT
R
INT
R
T
R
T
V
OC
V
ID(pp)
V
OD(pp)
V
swing
V
OD(O)
V
OC(SS)
V
OD(U)
TMDS442
SLLS757A – AUGUST 2006 – REVISED MARCH 2007
PARAMETER MEASUREMENT INFORMATION (continued)
NOTE: PRE = low. All input pulses are supplied by a generator having the following characteristics: t
r
or t
f
< 100 ps, 100 MHz
from Agilent 81250. C
L
includes instrumentation and fixture capacitance within 0.06 m of the D.U.T. Measurement
equipment provides a bandwidth of 20 GHz minimum.
Figure 4. TMDS Timing Test Circuit and Definitions
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