Datasheet
RECEIVER SECTION
ELECTRICAL CHARACTERISTICS
SWITCHING CHARACTERISTICS
SWITCHING CHARACTERISTICS (SN55LBC180)
SN55LBC180
SN65LBC180
SN75LBC180
www.ti.com
................................................................................................................................................... SLLS174G – FEBRUARY 1994 – REVISED APRIL 2009
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
IK
Enable-input clamp voltage I
I
= – 18 mA -1.5 V
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
I
OZ
High-impedance-state output current V
O
= 0 V to V
CC
± 20 µ A
I
IH
High-level enable-input current V
IH
= 2.4 V – 50 A
I
IL
Low-level enable-input current V
IL
= 0.4 V – 100 µ A
V
I
= 12 V, V
CC
= 5 V, Other input at 0 V 0.7 1
V
I
= 12 V, V
CC
= 0 V, Other input at 0 V 0.8 1
I
I
Bus input current mA
V
I
= -7 V, V
CC
= 5 V, Other input at 0 V – 0.8 -0.5
V
I
= -7 V, V
CC
= 0 V, Other input at 0 V – 0.8 – 0.5
Outputs enabled 5
I
CC
Supply current Driver disabled mA
Outputs disabled 3
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 11 22 33 ns
t
PLH
Propagation delay time, low- to high-level output 11 22 33 ns
V
ID
= – 1.5 V to 1.5 V, See Figure 6
t
sk(p)
Pulse skew (| t
PHL
– t
PLH
|) 3 6 ns
t
t
Transition time 5 8 ns
t
PZH
Output enable time to high level 35 ns
t
PZL
Output enable time to low level 30 ns
See Figure 7
t
PHZ
Output disable time from high level 35 ns
t
PLZ
Output disable time from low level 30 ns
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 26 ns
t
PLH
Propagation delay time, low- to high-level output 23 ns
V
ID
= – 1.5 V to 1.5 V, See Figure 6
t
sk(p)
Pulse skew (| t
PHL
– t
PLH
|) 3 ns
t
sk(p)t
Transition time 4 ns
t
PZH
Output enable time to high level 30 ns
t
PHZ
Output disable time from high level 26 ns
See Figure 4
t
PZL
Output enable time to low level 30 ns
t
PLZ
Output disable time from low level 30 ns
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