SN75LVDS179, SN75LVDS180, SN75LVDS050, SN75LVDS051
HIGH-SPEED DIFFERENTIAL LINE DRIVERS AND RECEIVERS
SLLS361A – JUNE 1999 – REVISED MARCH 2000
receiver electrical characteristics over recommended operating conditions (unless otherwise
noted)
†
PARAMETER
Positive-going differential input voltage threshold
Negative-going differential input voltage threshold
High-level output voltage
TEST CONDITIONS
MIN TYP
MAX
UNIT
V
V
V
V
100
ITH+
ITH–
OH
See Figure 5 and Table 1
mV
–100
2.4
I
I
= –8 mA
= 8 mA
V
V
OH
Low-level output voltage
0.4
OL
OL
V = 0
–2
–11
–3
–20
I
I
I
Input current (A or B inputs)
µA
V = 2.4 V
I
–1.2
I
I
I
I
Power-off input current (A or B inputs)
High-level input current (enables)
Low-level input current (enables)
High-impedance output current
V
V
V
V
= 0
±20
±10
±10
±10
µA
µA
µA
µA
I(OFF)
CC
= 5 V
IH
IH
IL
O
= 0.8 V
= 0 or 5 V
IL
OZ
C
Input capacitance
5
pF
I
†
All typical values are at 25°C and with a 3.3-V supply.
driver switching characteristics over recommended operating conditions (unless otherwise
noted)
†
PARAMETER
TEST CONDITIONS
MIN TYP
MAX
6
UNIT
ns
t
t
t
t
t
t
t
t
t
t
t
Propagation delay time, low-to-high-level output
Propagation delay time, high-to-low-level output
Differential output signal rise time
PLH
PHL
r
6
ns
0.8
0.8
1.2
1.2
0.6
0.6
1
ns
R
C
= 100Ω,
= 10 pF,
L
L
Differential output signal fall time
ns
f
See Figure 6
‡
Pulse skew (|t
– t
|)
ps
sk(p)
sk(o)
sk(pp)
PZH
PZL
PHZ
pLZ
pHL pLH
§
Channel-to-channel output skew
ps
¶
Part-to-part skew
ps
Propagation delay time, high-impedance-to-high-level output
Propagation delay time, high-impedance-to-low-level output
Propagation delay time, high-level-to-high-impedance output
Propagation delay time, low-level-to-high-impedance output
25
25
25
25
ns
ns
See Figure 7
ns
ns
†
All typical values are at 25°C and with a 3.3-V supply.
‡
§
¶
t
t
t
is the magnitude of the time difference between the high-to-low and low-to-high propagation delay times at an output
is the magnitude of the time difference between the outputs of a single device with all of their inputs connected together.
is the magnitude of the difference in propagation delay times between any specified terminals of two devices when both devices operate
sk(p)
sk(o)
sk(pp)
with the same supply voltages, same temperature, and have identical packages and test circuits.
6
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