Datasheet

RECEIVER SWITCHING CHARACTERISTICS
PARAMETER MEASUREMENT INFORMATION
DRIVER
V
OD
V
OZ
V
OY
V
OC
V
I
I
OY
I
OZ
I
I
A
Z
Y
V
OY
) V
OZ
2
Driver Enable
SN65LVDM179 , SN65LVDM180
SN65LVDM050 , SN65LVDM051
www.ti.com .................................................................................................................................................... SLLS324J – DECEMBER 1998 – REVISED JULY 2009
over recommended operating conditions (unless otherwise noted)
TYP
(
PARAMETER TEST CONDITIONS MIN MAX UNIT
1)
t
PLH
Propagation delay time, low-to-high-level output 3.7 4.5 ns
t
PHL
Propagation delay time, high-to-low-level output C
L
= 10 pF, See Figure 6 3.7 4.5 ns
t
sk(p)
Pulse skew (|t
pHL
- t
pLH
|) 0.1 ns
t
sk(o)
Channel-to-channel output skew 0.2 ns
t
sk(pp)
Part-to-part skew
(2)
1 ns
t
r
Output signal rise time 0.7 1.5 ns
C
L
= 10 pF, See Figure 6
t
f
Output signal fall time 0.9 1.5 ns
t
PZH
Propagation delay time, high-level-to-high-impedance output 2.5 ns
t
PZL
Propagation delay time, low-level-to-low-impedance output 2.5 ns
See Figure 7
t
PHZ
Propagation delay time, high-impedance-to-high-level output 7 ns
t
PLZ
Propagation delay time, low-impedance-to-high-level output 4 ns
(1) All typical values are at 25 ° C and with a 3.3-V supply.
(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.
Figure 1. Driver Voltage and Current Definitions
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