LTC1544 Linear Technology, LTC1544 Datasheet - Page 7

• Manufacturer Part Number: LTC1544
• Description: Software-Selectable Multiprotocol Transceiver
• Manufacturer: Linear Technology

SWITCHI G TI E WAVEFOR S
B – A
B – A
–V
R
A
D
D
A
V
R
–V
V
–V
V
V
V
V
OD2
OD2
V
V
5V
0V
V
3V
0V
OH
OL
IH
OH
IL
OL
O
O
O
O
A
B
U
V
O
W
1.5V
1.3V
1.5V
0V
t
PLH
t
t
t
50%
PLH
PHL
PHL
3V
t
r
t
f
1.5V
0.8V
Figure 8. V.10, V.28 Receiver Propagation Delays
t
0V
10%
90%
SKEW
Figure 6. V.11, V.35 Receiver Propagation Delays
Figure 5. V.11, V.35 Driver Propagation Delays
Figure 7. V.10, V.28 Driver Propagation Delays
–3V
1/2 V
f = 1MHz : t
f = 1MHz : t
W
O
V
DIFF
r
= V(A) – V(B)
r
10ns : t
10ns : t
f
f
10ns
10ns
OUTPUT
INPUT
1.7V
1.5V
1.5V
0V
–3V
t
90%
t
t
PLH
PLH
PHL
t
PHL
0V
t
t
r
f
2.4V
1.5V
50%
t
SKEW
3V
10%
LTC1544
1544 F07
1544 F08
1544 F05
1544 F06
7