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RECOMMENDED OPERATING CONDITIONS
SN55LVDS31 ELECTRICAL CHARACTERISTICS
SN55LVDS31 SWITCHING CHARACTERISTICS
SN55LVDS31, SN65LVDS31
SN65LVDS3487, SN65LVDS9638
SLLS261L – JULY 1997 – REVISED JULY 2007
MIN NOM MAX UNIT
V
CC
Supply voltage 3 3.3 3.6 V
V
IH
High-level input voltage 2 V
V
IL
Low-level input voltage 0.8 V
SN65 prefix –40 85
T
A
Operating free-air temperature ° C
SN55 prefix –55 125
over operating free-air temperature range (unless otherwise noted)
PARAMETER TEST CONDITIONS MIN TYP
(1)
MAX UNIT
V
OD
Differential output voltage magnitude R
L
= 100 Ω , See Figure 2 247 340 454 mV
Δ V
OD
Change in differential output voltage R
L
= 100 Ω , See Figure 2 –50 50 mV
magnitude between logic states
V
OC(SS)
Steady-state common-mode output voltage See Figure 3 1.125 1.2 1.375 V
Change in steady-state common-mode output
Δ V
OC(SS)
See Figure 3 –50 50 mV
voltage between logic states
V
OC(PP)
Peak-to-peak common-mode output voltage See Figure 3 50 150 mV
V
I
= 0.8 V or 2 V, Enabled, No load 9 20
I
CC
Supply current V
I
= 0.8 or 2 V, R
L
= 100 Ω , Enabled 25 35 mA
V
I
= 0 or V
CC
, Disabled 0.25 1
I
IH
High-level input current V
IH
= 2 4 20 μ A
I
IL
Low-level input current V
IL
= 0.8 V 0.1 10 μ A
V
O(Y)
or V
O(Z)
= 0 –4 –24
I
OS
Short-circuit output current mA
V
OD
= 0 ± 12
I
OZ
High-impedance output current V
O
= 0 or 2.4 V ± 1 μ A
I
O(OFF)
Power-off output current V
CC
= 0, V
O
= 2.4 V ± 4 μ A
C
i
Input capacitance 3 pF
(1) All typical values are at T
A
= 25 ° C and with V
CC
= 3.3 V.
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 1.4 4 ns
t
PHL
Propagation delay time, high-to-low-level output 1 1.7 4.5 ns
t
r
Differential output signal rise time (20% to 80%) 0.4 0.5 1 ns
R
L
= 100 Ω , C
L
= 10 pF,
See Figure 2
t
f
Differential output signal fall time (80% to 20%) 0.4 0.5 1 ns
t
sk(p)
Pulse skew (|t
PHL
– t
PLH
|) 0.3 0.6 ns
t
sk(o)
Channel-to-channel output skew
(2)
0.3 0.6 ns
t
PZH
Propagation delay time, high-impedance-to-high-level output 5.4 15 ns
t
PZL
Propagation delay time, high-impedance-to-low-level output 2.5 15 ns
See Figure 4
t
PHZ
Propagation delay time, high-level-to-high-impedance output 8.1 17 ns
t
PLZ
Propagation delay time, low-level-to-high-impedance output 7.3 15 ns
(1) All typical values are at T
A
= 25 ° C and with V
CC
= 3.3 V.
(2) t
sk(o)
is the maximum delay time difference between drivers on the same device.
6
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