Datasheet
MAX3080E–MAX3089E
±15kV ESD-Protected, Fail-Safe, High-Speed (10Mbps),
Slew-Rate-Limited RS-485/RS-422 Transceivers
6 _______________________________________________________________________________________
SWITCHING CHARACTERISTICS—MAX3086E/MAX3087E/MAX3088E, and MAX3089E with
SRL = GND
(V
CC
= +5V ±5%, T
A
= T
MIN
to T
MAX
, unless otherwise noted. Typical values are at V
CC
= +5V and T
A
= +25°C.)
Note 5: The device is put into shutdown by bringing RE high and DE low. If the enable inputs are in this state for less than 50ns, the
device is guaranteed not to enter shutdown. If the enable inputs are in this state for at least 600ns, the device is guaranteed
to have entered shutdown.
UNITSMIN TYP MAXCONDITIONSSYMBOLPARAMETER
Driver Input-to-Output
t
DPLH
t
DPHL
Figures 7 and 9, R
DIFF
= 54Ω,
C
L1
= C
L2
= 100pF
34 60
34 60
ns
ns-2.5 ±10
Figures 7 and 9, R
DIFF
= 54Ω,
C
L1
= C
L2
= 100pF
t
DSKEW
Driver Output Skew
|
t
DPLH
- t
DPHL |
Driver Rise or Fall Time t
DR,
t
DF
Figures 7 and 9, R
DIFF
= 54Ω,
C
L1
= C
L2
= 100pF
14 25 ns
Maximum Data Rate f
MAX
10 Mbps
Driver Enable to Output High t
DZH
Figures 8 and 10, C
L
= 100pF, S2 closed 150 ns
ns150Figures 8 and 10, C
L
= 100pF, S1 closedt
DZL
Driver Enable to Output Low
Driver Disable Time from Low t
DLZ
Figures 8 and 10, C
L
= 15pF, S1 closed 100 ns
ns100Figures 8 and 10, C
L
= 15pF, S2 closedt
DHZ
Driver Disable Time from High
Receiver Input-to-Output
t
RPLH
,
t
RPHL
Figures 11 and 13;
|
V
ID
|
≥ 2.0V;
rise and fall time of V
ID
≤ 15ns
106 150 ns
ns0±10
Figures 11 and 13;
|
V
ID |
≥ 2.0V;
rise and fall time of V
ID
≤ 15ns
t
RSKD
|
t
RPLH
- t
RPHL |
Differential
Receiver Skew
t
RZL
Figures 6 and 12, C
L
= 100pF, S1 closed 20 50 ns
ns
ns
ns
ns
ns
ns
ns
ns3500
3500
250
250
50 200 600
20 50
20 50
20 50Figures 6 and 12, C
L
= 100pF, S2 closed
Figures 6 and 12, C
L
= 100pF, S1 closed
Figures 6 and 12, C
L
= 100pF, S2 closed
(Note 5)
Figures 8 and 10, C
L
= 15pF, S2 closed
Figures 8 and 10, C
L
= 15pF, S1 closed
Figures 6 and 12, C
L
= 100pF, S2 closed
Figures 6 and 12, C
L
= 100pF, S1 closedt
RZL(SHDN)
t
RZH(SHDN)
t
DZL(SHDN)
t
DZH(SHDN)
t
SHDN
t
RHZ
t
RLZ
t
RZH
Receiver Enable to Output Low
Receiver Enable to Output High
Receiver Disable Time from Low
Receiver Disable Time from
High
Time to Shutdown
Driver Enable from
Shutdown-to-Output High
Driver Enable from
Shutdown-to-Output Low
Receiver Enable from
Shutdown-to-Output High
Receiver Enable from
Shutdown-to-Output Low