Datasheet
SLLS173F − JANUARY 1994 − REVISED APRIL 2006
5
POST OFFICE BOX 655303 • DALLAS, TEXAS 75265
RECEIVER SECTION
electrical characteristics over recommended operating conditions (unless otherwise noted)
PARAMETER TEST CONDITIONS MIN TYP MAX UNIT
V
IT+
Positive-going input threshold voltage I
O
= −8 mA 0.2 V
V
IT−
Negative-going input threshold voltage I
O
= 8 mA −0.2 V
V
hys
Hysteresis voltage (V
IT+
− V
IT−
) 45 mV
V
OH
High-level output voltage V
ID
= 200 mV, I
OH
= −8 mA 3.5 4.5 V
V
OL
Low-level output voltage V
ID
= −200 mV, I
OL
= 8 mA 0.3 0.5 V
V
I
= 12 V,
Other inputs at 0 V,
SN65LBC179,
SN75LBC179
0.7 1 mA
Other inputs at 0 V,
V
CC
= 5 V
SN65LBC179Q 0.7 1.2 mA
V
I
= 12 V,
Other inputs at 0 V,
SN65LBC179,
SN75LBC179
0.8 1 mA
I
I
Bus input current
Other inputs at 0 V,
V
CC
= 0 V
SN65LBC179Q 0.8 1.2 mA
I
I
Bus input current
V
I
= −7 V,
Other inputs at 0 V,
SN65LBC179,
SN75LBC179
−0.5 −0.8 mA
Other inputs at 0 V,
V
CC
= 5 V
SN65LBC179Q −0.5 −1.0 mA
V
I
= −7 V,
Other inputs at 0 V,
SN65LBC179,
SN75LBC179
−0.5 −0.8 mA
Other inputs at 0 V,
V
CC
= 0 V
SN65LBC179Q −0.5 −1.0 mA
switching characteristics, V
CC
= 5 V, T
A
= 25°C
PARAMETER TEST CONDITIONS MIN TYP MAX UNIT
t
PHL
Propagation delay time, high- to low-level output
V
ID
= −1.5 V to 1.5 V,
See Figure 4
15 30 ns
t
PLH
Propagation delay time, low- to high-level output
V
ID
= −1.5 V to 1.5 V, See Figure 4
15
30 ns
t
sk(p)
Pulse skew ( t
PHL
− t
PLH
)
See Figure 4
3 6 ns
t
t
Transition time
See Figure 4
3 5 ns
PARAMETER MEASUREMENT INFORMATION
V
OD
R
L
2
0 V or 3 V
Z
D
Y
R
L
2
V
OC
Figure 1. Differential and Common-Mode Output Voltage Test Circuit