MAX3430 Maxim, MAX3430 Datasheet - Page 4

• Manufacturer Part Number: MAX3430
• Description: 80V Fault-Protected / Fail-Safe / 1/4-Unit Load / #.3V RS-485 Transceiver
• Manufacturer: Maxim

±80V Fault-Protected, Fail-Safe,
1/4-Unit Load, +3.3V RS-485 Transceiver
DRIVER SWITCHING CHARACTERISTICS
(V
RECEIVER SWITCHING CHARACTERISTICS
(V
Note 2: ∆V
Note 3: The short-circuit output current applies to peak current just prior to foldback current limiting; the short-circuit foldback output
4
Driver Propagation Delay
Driver Differential Output Rise or
Fall Time
Differential Driver Output Skew,
|t
Maximum Data Rate
Driver Enable to Output Low
Driver Disable Time from Output
Low
Driver Output Enable Time from
Shutdown
Driver Enable to Output High
Driver Disable Time from Output
High
Driver Output Enable Time from
Shutdown
Driver Time to Shutdown
Receiver Propagation Delay
Receiver Output Skew,
|t
Receiver Enable to Output Low
Receiver Enable to Output High
Receiver Disable Time from Low
Receiver Disable Time form High
Receiver Output Enable Time
from Shutdown
Receiver Time to Shutdown
DPLH
RPLH
CC
CC
_______________________________________________________________________________________
= +3.3V ±10%, T
= +3.3V ±10%, T
- t
- t
current applies during current limiting to allow a recovery from bus contention.
DPHL
RPHL
PARAMETER
PARAMETER
OD
|
|
and ∆V
OC
A
A
= T
= T
are the changes in V
MIN
MIN
to T
to T
MAX
MAX
t
t
t
t
RZH(SHND)
DZH(SHDN)
SYMBOL
SYMBOL
DZL(SHDN)
RZL(SHND)
t
t
DR,
DSKEW
t
t
t
t
t
t
t
, unless otherwise noted. Typical values are at V
, unless otherwise noted. Typical values are at V
SHDN
SKEW
SHDN
t
t
t
t
DPLH
DPHL
t
t
RPLH
RPHL
t
t
DZH
DHZ
RZH
RHZ
DZL
DLZ
RZL
RLZ
t
DF
OD
,
Figures 2 and 3, R
Figures 2 and 3, R
Figures 2 and 3, R
Figure 4, C
Figure 4, C
Figure 4, C
Figure 5, C
Figure 5, C
Figure 5, C
Figure 6, C
Figure 6, C
Figure 7, R = 1kΩ, C
Figure 7, R = 1kΩ, C
Figure 7, R = 1kΩ, C
Figure 7, R = 1kΩ , C
Figure 7, R = 1kΩ, C
and V
OC
, respectively, when the DI input changes state.
L
L
L
L
L
L
L
L
= 50pF
= 50pF
= 50pF
= 50pF
= 50pF
= 50pF
= 20pF, V
= 20pF
CONDITIONS
CONDITIONS
L
L
L
= 54Ω, C
= 54Ω, C
= 54Ω, C
L
L
L
L
L
= 20pF
= 20pF
= 20pF
= 20pF
ID
= 20pF
= 2V, V
L
L
L
= 50pF
= 50pF
= 50pF
CM
= 0
CC
CC
= +3.3V and T
= +3.3V and T
MIN
MIN
250
250
A
A
TYP
TYP
700
700
150
= +25°C.)
= +25°C.)
MAX
MAX
1500
1500
1200
5200
1000
8000
5200
1000
8000
1000
5000
1000
200
120
120
40
80
80
80
80
UNITS
UNITS
kbps
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns