Datasheet

MAX1482/MAX1483
20µA,
1
⁄
8
-Unit-Load, Slew-Rate-Limited
RS-485 Transceivers
_______________________________________________________________________________________ 7
Figure 5. Driver Propagation Delays
Figure 8. Receiver Enable and Disable TimesFigure 7. Receiver Propagation Delays
Figure 6. Driver Enable and Disable Times
DI
3V
0V
Z
Y
V
O
0V
-V
O
V
O
1.5V
t
PLH
1/2 V
O
10%
t
R
90%
90%
t
PHL
1.5V
1/2 V
O
10%
t
F
V
DIFF
= V (Y) - V (Z)
V
DIFF
t
SKEW =
| t
PLH
- t
PHL
|
V
OH
V
OL
V
ID
-V
ID
1.5V
0V
1.5V
OUTPUT
INPUT
0V
RO
A-B
t
PLH
t
PHL
OUTPUT NORMALLY LOW
OUTPUT NORMALLY HIGH
3V
0V
V
CC
RO
RO
0V
1.5V 1.5V
V
OL
+ 0.5V
V
OH
- 0.5V
1.5V
1.5V
t
ZL(SHDN)
, t
ZL
t
LZ
t
ZH(SHDN)
, t
ZH
t
HZ
RE
OUTPUT NORMALLY LOW
OUTPUT NORMALLY HIGH
3V
0V
Y, Z
V
OL
Y, Z
0V
1.5V 1.5V
V
OL
+ 0.5V
V
OH
- 0.5V
2.3V
2.3V
t
ZL(SHDN)
, t
ZL
t
LZ
t
ZH(SHDN)
, t
ZH
t
HZ
DE
_______________________________________________________Switching Waveforms