Datasheet

RS-485 Transceivers with Low-Voltage
Logic Interface
SWITCHING CHARACTERISTICS (MAX13430E/MAX13432E (500kbps))
(V
CC
= +3V to +5.5V, V
L
= +1.8V to V
CC
, T
A
= -40°C to +85°C, unless otherwise noted. Typical values are V
CC
= +5V, V
L
= +1.8V at
T
A
= +25°C.) (Notes 2, 3)
PARAMETER SYMBOL CONDITIONS MIN TYP MAX UNITS
DRIVER
t
DPLH
180 800
Driver Propagation Delay
(Figures 2 and 3)
t
DPHL
C
L
= 50pF, R
L
= 54Ω
180 800
ns
Driver Differential Output Rise or
Fall Time
t
R
, t
F
C
L
= 50pF, R
L
= 54Ω, Figures 2 and 3 200 800 ns
Differential Driver Output Skew
|t
DPLH
- t
DPHL
|
t
DSKEW
C
L
= 50pF, R
L
= 54Ω, Figures 2 and 3 100 ns
Maximum Data Rate 500 kbps
Driver Enable to Output High t
DZH
C
L
= 50pF, R
L
= 500Ω, Figure 4 2.5 µs
Driver Enable to Output Low t
DZL
C
L
= 50pF, R
L
= 500Ω, Figure 5 2.5 µs
Driver Disable Time from Low t
DLZ
C
L
= 50pF, R
L
= 500Ω, Figure 4 100 ns
Driver Disable Time from High t
DHZ
C
L
= 50pF, R
L
= 500Ω, Figure 5 120 ns
Driver Enable from Shutdown
to Output High
t
DZH
(
SHDN
)
C
L
= 50pF, R
L
= 500Ω, Figure 4 5 µs
Driver Enable from Shutdown
to Output Low
t
DZL
(
SHDN
)
C
L
= 50pF, R
L
= 500Ω, Figure 5 5 µs
RECEIVER
t
RPLH
200
Receiver Propagation Delay
(Figures 6 and 7)
t
RPHL
C
L
= 15pF
200
ns
Receiver Output Skew t
RSKEW
C
L
= 15pF, Figures 6 and 7 30 ns
Maximum Data Rate 500 kbps
Receiver Enable to
Output Low
t
RZL
Figure 8 50 ns
Receiver Enable to
Output High
t
RZH
Figure 8 50 ns
Receiver Disable Time
from Low
t
RLZ
Figure 8 50 ns
Receiver Disable Time
from High
t
RHZ
Figure 8 50 ns
Receiver Enable from
Shutdown to Output High
t
RZH
(
SHDN
)
Figure 8 5 µs
Receiver Enable from
Shutdown to Output Low
t
RZL
(
SHDN
)
Figure 8 5 µs
MAX13430E–MAX13433E
Maxim Integrated
5