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Receiver Switching Characteristics
Driver Switching Characteristics
SN65LVDT14-EP, SN65LVDT41-EP
SCES633 – JUNE 2005
over operating free-air temperature range (unless otherwise noted)
PARAMETER TEST CONDITIONS MIN NOM MAX UNIT
t
PLH
Propagation delay time, low- to high-level output 1 2.6 4.8 ns
t
PHL
Propagation delay time, high- to low-level output 1 2.6 4.8 ns
t
r
Output signal rise time 0.15 1.4 ns
t
f
Output signal fall time C
L
= 10 pF, See Figure 4 0.15 1.4 ns
t
sk(p)
Pulse skew (|t
PHL
– t
PLH
|) 150 750 ps
t
sk(o)
Output skew
(1)
100 550 ps
t
sk(pp)
Part-to-part skew
(2)
1 ns
(1) t
sk(o)
is the magnitude of the time difference between the t
PLH
or t
PHL
of all the receivers of a single device with all of their inputs
connected together.
(2) t
sk(pp)
is the magnitude of the difference in propagation delay times between any specified terminals of two devices when both devices
operate with the same supply voltages, at the same temperature, and have identical packages and test circuits.
over operating free-air temperature range (unless otherwise noted)
PARAMETER TEST CONDITIONS MIN NOM MAX UNIT
t
PLH
Propagation delay time, low- to high-level output 0.9 1.7 3.9 ns
t
PHL
Propagation delay time, high- to low-level output 0.9 1.6 3.9 ns
t
r
Differential output signal rise time 0.26 1.2 ns
R
L
= 100 Ω , C
L
= 10 pF,
t
f
Differential output signal fall time 0.26 1.2 ns
See Figure 7
t
sk(p)
Pulse skew (|t
PHL
– t
PLH
|) 150 750 ps
t
sk(o)
Output skew
(1)
80 400 ps
t
sk(pp)
Part-to-part skew
(2)
1.5 ns
(1) t
sk(p)
is the magnitude of the time difference between the high-to-low and low-to-high propagation delay times at an output.
(2) t
sk(pp)
is the magnitude of the difference in propagation delay times between any specified terminals of two devices when both devices
operate with the same supply voltages, at the same temperature, and have identical packages and test circuits.
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