Datasheet

MAX3483/MAX3485/MAX3486/MAX3488/MAX3490/MAX3491
3.3V-Powered, 10Mbps and Slew-Rate-Limited
True RS-485/RS-422 Transceivers
_______________________________________________________________________________________ 9
V
CC
V
OM
3V
0V
V
OH
V
OM
V
OM
V
OM
V
OM
V
OL
V
OH
V
OL
50Ω
R
L
= 27Ω
C
L
= 15pF 
(NOTE 5)
GENERATOR
(NOTE 4)
D
t
PLH
1.5V
Y
OUT
Z
OUT
OUT
S1
IN
1.5V

≈ 1.5V
t
PHL
t
PHL
t
PLH
V
OH
+ V
OL
2
V
OM
=
3V
0V
V
OH
V
OM
0V
R
L
= 110Ω
C
L
= 50pF 
(NOTE 5)
D0V OR 3V
50Ω
GENERATOR
(NOTE 4)
t
PZH
1.5V
0.25V
OUT
OUT
S1
IN
1.5V

≈ 1.5V
t
PHZ
V
OH
+ V
OL
2
V
OM
=
V
CC
R
L
= 110Ω
C
L
= 50pF 
(NOTE 5)
D
50Ω
GENERATOR
(NOTE 4)
OUT
S1
3V
0V
V
CC
V
OL
V
OM
t
PSL
1.5V
0.25V
OUT
IN
1.5V
t
PLZ
0V OR 3V
Figure 8. Driver Propagation Times
Figure 9. Driver Enable and Disable Times (t
PZH
, t
PSH
, t
PHZ
)
Figure 10. Driver Enable and Disable Times (t
PZL
, t
PSL
, t
PLZ
)