Datasheet

LTC491
6
491fa
Figure 5. Driver Propagation Delays
Figure 6. Driver Enable and Disable Times
Figure 7. Receiver Propagation Delays
Figure 8. Receiver Enable and Disable Times
SWITCHI G TI E WAVEFOR S
UWW
–V
O
LTC491 • F05
D
3V
0V
1.5V
t
PLH
1.5V
V
DIFF
= V(Y) – V(Z)
V
O
80%
20%
50%
10%
Z
Y
t
SKEW
t
r
f = 1MHz : t
r
≤ 10ns : t
f
≤ 10ns
90%
50%
t
PHL
t
f
V
O
t
SKEW
1/2 V
O
1/2 V
O
LTC491 • F06
A, B
DE
3V
0V
f = 1MHz : t
r
≤ 10ns : t
r
≤ 10ns
V
OL
V
OH
1.5V 1.5V
5V
OUTPUT NORMALLY LOW
t
ZL
2.3V
t
LZ
0.5V
A, B
0V
t
ZH
2.3V
OUTPUT NORMALLY HIGH
t
HZ
0.5V
V
OL
LTC491 • F07
A-B
V
OD2
0V
t
PLH
0V
OUTPUT
V
OH
1.5V
f = 1MHz ; t
r
≤ 10ns : t
f
≤ 10ns
t
PHL
–V
OD2
1.5V
INPUT
R
LTC491 • F08
R
REB
3V
0V
f = 1MHz : t
r
≤ 10ns : t
f
≤ 10ns
V
OL
V
OH
1.5V 1.5V
5V
OUTPUT NORMALLY LOW
t
ZL
1.5V
t
LZ
0.5V
R
0V
t
ZH
1.5V
OUTPUT NORMALLY HIGH
t
HZ
0.5V