Datasheet

SN65LBC179A
SN75LBC179A
SLLS377D –MAY 2000– REVISED SEPTEMBER 2011 www.ti.com
DRIVER ELECTRICAL CHARACTERISTICS
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
SN65LBC179A 1 1.5 3
R
L
= 54 Ω, See Figure 1 V
SN75LBC179A 1.1 1.5 3
|V
OD
| Differential output voltage
SN65LBC179A 1 1.5 3
R
L
= 60 Ω, –7 <V
(tot)
< 12,
V
See Figure 2
SN75LBC179A 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
V
OC(SS)
1.8 2.4 2.8 V
voltage
See Figure 1
Change in steady-state common-mode
ΔV
OC(SS)
–0.1 0.1 V
output voltage
(2)
I
O
Output current with power off V
CC
= 0, V
O
= –7 V to 12 V –10 ±1 10 μA
I
IH
High-level input current V
I
= 2.V –100 μA
I
IL
Low-level input current V
I
= 0.8 V –100 μA
I
OS
Short-circuit output current –7 V ≤ V
O
≤ 12 V –250 ±70 250 mA
I
CC
Supply current No load, V
I
= 0 or V
CC
8.5 15 mA
(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.
DRIVER SWITCHING CHARACTERISTICS
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
t
sk(p)
Pulse skew ( | t
PHL
– t
PLH
| ) R
L
= 54 Ω, C
L
= 50 pF, See Figure 3 0.3 1 ns
t
r
Differential output signal rise time 4 7.5 11 ns
t
f
Differential output signal fall time 4 7.5 11 ns
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