Datasheet

RS-485 Transceivers with Integrated
100 Ω /120 Ω Termination Resistors
MAX13450E/MAX13451E
8 ______________________________________________________________________________________
Test Circuits and Waveforms
Figure 1. Driver DC Test Load
Figure 3. Driver Propagation Delays
Figure 2. Driver Timing Test Circuit
V
OC
A/Y
B/Z
R
DIFF
2
R
DIFF
V
OD
C
L
2
A
B
DE
DI
V
L
R
DIFF
C
L
V
ID
V
L
/2
V
L
/2
0V
DI
B
A
t
DPLH
t
DPHL
1/2 V
O
1/2 V
O
V
O
10%
90%
10%
90%
0V
V
O
-V
O
V
DD
t
DSKEW
= |t
DPLH
- t
DPHL
|
t
HL
t
LH
V
L
f = 1MHz, t
LH
≤ 3ns, t
HL
≤ 3ns