Datasheet

 
  
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SLLS376D− MAY 2000 − REVISED JULY 2008
5
POST OFFICE BOX 655303 • DALLAS, TEXAS 75265
POST OFFICE BOX 1443
• HOUSTON, TEXAS 77251−1443
receiver 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−
)
I
O
= 8 mA
50 mV
V
IK
Enable-input clamp voltage I
I
= −18 mA −1.5 −0.8 V
V
OH
High-level output voltage V
ID
= 200 mV, I
OH
= −8 mA, See Figure 6 4 4.9 V
V
OL
Low-level output voltage V
ID
= −200 mV, I
OL
= 8 mA, See Figure 6 0.1 0.8 V
High-impedance-state output
SN65LBC176AQ −10 10
I
OZ
High-impedance-state output
current
V
O
= 0 to V
CC
SN65LBC176A,
SN75LBC176A
−1 1
µA
V
IH
= 12 V, V
CC
= 5 V 0.4 1
I
I
Bus input current
V
IH
= 12 V, V
CC
= 0
Other input at 0 V
0.5 1
mA
I
I
Bus input current
V
IH
= −7 V,
V
CC
= 5 V
Other input at 0 V
−0.8 −0.4
mA
V
IH
= −7 V, V
CC
= 0 −0.8 −0.3
I
IH
High-level enable-input current V
IH
= 2 V −100 µA
I
IL
Low-level enable-input current V
IL
= 0.8 V −100 µA
V
I
= 0 or V
CC
,
Receiver enabled and driver disabled 4 7
I
CC
Supply current
V
I
= 0 or V
CC
,
No load
Receiver disabled and driver disabled 0.4 0.7
mA
I
CC
Supply current
No load
Receiver enabled and driver enabled 8.5 15
mA
†
All typical values are at V
CC
= 5 V, T
A
= 25°C.
receiver switching characteristics over recommended operating conditions (unless otherwise
noted)
PARAMETER
TEST CONDITIONS
SN65LBC176AQ
SN65LBC176A
SN75LBC176A
UNIT
PARAMETER
TEST CONDITIONS
MIN TYP
†
MAX MIN TYP
†
MAX
UNIT
t
PLH
Propagation delay time, output↑
V
ID
= −1.5 V to 1.5 V,
7 30 7 13 20 ns
t
PHL
Propagation delay time, output↓
V
ID
= −1.5 V to 1.5 V
,
See Figure 7
7 30 7 13 20 ns
t
sk(p)
Pulse skew (| t
PHL
− t
PLH
|)
See Figure 7
6 0.5 1.5 ns
t
r
Rise time, output
See Figure 7
5 2.1 3.3 ns
t
f
Fall time, output
See Figure 7
5 2.1 3.3 ns
t
PZH
Output enable time to high level 50 30 45 ns
t
PZL
Output enable time to low level
C
L
= 10 pF,
50 30 45 ns
t
PHZ
Output disable time from high level
C
L
= 10 pF,
See Figure 8
60 20 40 ns
t
PLZ
Output disable time from low level
See Figure 8
40 20 40 ns
†
All typical values are at V
CC
= 5 V, T
A
= 25°C.