Datasheet

0.3 V
CCA
INPUT
OUTPUT
3 V
80%
20%
1.5 V 1.5 V
80%
20%
0.3 V
CCA
V
CCA
V
CCA
t
PZL
t
PLZ
3 V
0.1 V
1.5 V1.5 V
INPUT
OUTPUT
1.2 V
V
OL
t
PZL
t
PLZ
80%
20%
0.6 V 0.6 V
80%
20%
t
THL
t
TLH
t /t
PLZ PZL
TEST S1
C
L
= 57 pF
(see Note C)
S1
GND
PULSE
GENERATOR
DUT
R
T
(see Note B)
TEST CIRCUIT FOR OPEN-DRAIN OUTPUT
R
(see Note A)
L
V
CC
V
CC
V
IN
V
OUT
V
CC
Not Recommended for New Designs
PCA9517
www.ti.com SCPS157D –DECEMBER 2007–REVISED MARCH 2012
PARAMETER MEASUREMENT INFORMATION
A. R
L
= 167 Ω on the A side and 1.35 kΩ on the B side
B. R
T
termination resistance should be equal to Z
OUT
of pulse generators.
C. C
L
includes probe and jig capacitance.
D. All input pulses are supplied by generators having the following characteristics: PRR ≤ 10 MHz, Z
O
= 50 Ω,
slew rate ≥ 1 V/ns.
E. The outputs are measured one at a time, with one transition per measurement.
F. t
PLH
and t
PHL
are the same as t
pd
.
G. t
PLZ
and t
PHZ
are the same as t
dis
.
H. t
PZL
and t
PZH
are the same as t
en
.
Figure 2. Test Circuit
Figure 3. Waveform 1 – Propagation Delay and Transition Times for B Side to A Side
Figure 4. Waveform 2 – Propagation Delay and Transition Times for A Side to B Side
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