Datasheet
DRIVER ELECTRICAL CHARACTERISTICS
DRIVER SWITCHING CHARACTERISTICS
SN65LBC180A
SN75LBC180A
www.ti.com
............................................................................................................................................................... SLLS378D – MAY 2000 – REVISED APRIL 2009
over recommended operating conditions (unless otherwise noted)
PARAMETER TEST CONDITIONS MIN TYP
(1)
MAX UNIT
V
IK
Input clamp voltage I
I
= – 18 mA – 1.5 – 0.8 V
SN65LBC180A 1 1.5 3
R
L
= 54 Ω ,
V
See Figure 1
SN75LBC180A 1.1 1.5 3
|V
OD
| Differential output voltage magnitude
SN65LBC180A 1 1.5 3
R
L
= 60 Ω ,
V
See Figure 2
SN75LBC180A 1.1 1.5 3
Change in magnitude of differential output
Δ | V
OD
| See Figure 1 and Figure 2 – 0.2 0.2 V
voltage
(2)
Steady-state common-mode output 1.8 2.4 2.8 V
V
OC(ss)
voltage
See Figure 1
Change in steady-state common-mode V
Δ V
OC
– 0.1 0.1
output voltage
(2)
I
O
Output current with power off V
CC
= 0 , V
O
= – 7 V to 12 V – 10 10 µ A
I
IH
High-level input current V
I
= 2 V – 100 µ A
I
IL
Low-level input current V
I
= 0.8 V – 100 µ A
I
OS
Short-circuit output current – 7 V ≤ V
O
≤ 12 V – 250 ± 70 250 mA
Receiver disabled and
5.5 9
driver enabled
V
I
= 0 or V
CC
, Receiver disabled and
I
CC
Supply current 0.5 1 mA
No load driver disabled
Receiver enabled and
8.5 15
driver enabled
(1) All typical values are at V
CC
= 5 V, T
A
= 25 ° C.
(2) Δ | V
OD
| and Δ | V
OC
| are the changes in the steady-state magnitude of V
OD
and V
OC
, respectively, that occur when the input is
changed from a high level to a low level.
over recommended operating conditions (unless otherwise noted)
PARAMETER TEST CONDITIONS MIN TYP MAX UNIT
t
PLH
Propagation delay time, low-to-high-level output 2 6 12 ns
t
PHL
Propagation delay time, high-to-low-level output 2 6 12 ns
R
L
= 54 Ω , C
L
= 50 pF,
t
sk(p)
Pulse skew ( | t
PLH
– t
PHL
| ) 0.3 1 ns
See Figure 3
t
r
Differential output signal rise time 4 7.5 11 ns
t
f
Differential output signal fall time 4 7.5 11 ns
t
PZH
Propagation delay time, high-impedance-to-high-level output R
L
= 110 Ω , See Figure 4 12 22 ns
t
PZL
Propagation delay time, high-impedance-to-low-level output R
L
= 110 Ω , See Figure 5 12 22 ns
t
PHZ
Propagation delay time, high-level-to-high-impedance output R
L
= 110 Ω , See Figure 4 12 22 ns
t
PLZ
Propagation delay time, low-level-to-high-impedance output R
L
= 110 Ω , See Figure 5 12 22 ns
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