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DRIVER SWITCHING CHARACTERISTICS
RECEIVER SWITCHING CHARACTERISTICS
PARAMETER MEASUREMENT INFORMATION
DRIVER
V
OD
V
OB
V
OA
V
OC
V
I
I
OA
I
OB
I
I
D
B
A
V
OA
 V
OB
2
Driver Enabled
SN65LVDM176
SLLS320D – DECEMBER 1998 – REVISED JULY 2000
over recommended operating conditions (unless otherwise noted)
PARAMETER TEST CONDITIONS MIN TYP
(1)
MAX UNIT
t
PLH
Propagation delay time, low-to-high-level output 0.5 1.7 2.7
ns
t
PHL
Propagation delay time, high-to-low-level output 0.5 1.7 2.7
R
L
= 50 Ω , C
L
= 10 pF,
t
sk(p)
Pulse skew (|t
pHL
– t
pLH
|) 0.2 ns
See Figure 3
t
r
Differential output signal rise time 0.6 1
ns
t
f
Differential output signal fall time 0.6 1
t
sk(pp)
(2)
Part-to-part skew 1 ns
t
PZH
Propagation delay time, high-impedance-to-high-level output 8 12
t
PZL
Propagation delay time, high-impedance-to-low-level output 7 10
See Figure 5 ns
t
PHZ
Propagation delay time, high-level-to-high-impedance output 3 10
t
PLZ
Propagation delay time, low-level-to-high-impedance output 4 10
(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.
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 2.3 3.7 4.5
t
PHL
Propagation delay time, high-to-low-level output 2.3 3.7 4.5 ns
t
sk(p)
Pulse skew (|t
pHL
– t
pLH
|) C
L
= 10 pF, See Figure 7 0.4
t
r
Output signal rise time 0.8 1.5
ns
t
f
Output signal fall time 0.8 1.5
t
sk(pp)
(2)
Part-to-part skew 1 ns
t
PZH
Propagation delay time, high-level-to-high-impedance output 3 10
t
PZL
Propagation delay time, low-level-to-low-impedance output 3 10
See Figure 8 ns
t
PHZ
Propagation delay time, high-impedance-to-high-level output 4 10
t
PLZ
Propagation delay time, low-impedance-to-high-level output 6 10
(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 2. Driver Voltage and Current Definitions
6
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