Datasheet

From Output
Under Test
LOAD CIRCUIT FOR
ENABLE/DISABLE
TIME MEASUREMENT
S1
2 × V
CCO
Open
50 kΩ
VOLTAGE WAVEFORMS
PROPAGATION DELAY TIMES
t
PZL
/t
PLZ
t
PHZ
/t
PZH
2 × V
CCO
Open
TEST S1
A. C
L
includes probe and jig capacitance.
B. All input pulses are supplied by generators having the following characteristics: PRR 10 MHz, Z
O
= 50 Ω, dv/dt ≥ 1 V/ns.
C. The outputs are measured one at a time, with one transition per measurement.
D. t
PLH PHL pd
and t are the same as t .
E. V
CCI
is the V
CC
associated with the input port.
F. V
CCO
is the V
CC
associated with the output port.
G. All parameters and waveforms are not applicable to all devices.
50 kΩ
From Output
Under Test
50 k
C
L
15 pF
LOAD CIRCUIT FOR MAX DATA RATE,
PULSE DURATION PROPAGATION
DELAY OUTPUT RISE AND FALL TIME
MEASUREMENT
t
PLH
t
PHL
0 V
V
CCO
/2
V
CCI
/2 V
CCI
/2
0.9 V
CCO
V
CCO
/2
t
r
0.1 V
CCO
t
f
V
CCI
Input
Output
V
OH
V
OL
x
x
t
W
Input
V /2
CCI
V /2
CCI
V
CCI
0 V
VOLTAGE WAVEFORMS
PULSE DURATION
TXB0304
SCES831D –SEPTEMBER 2011–REVISED OCTOBER 2012 www.ti.com
PARAMETER MEASUREMENT INFORMATION
Figure 3. Load Circuits and Voltage Waveforms
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