Fail-Safe, High-Speed (10Mbps),
Slew-Rate-Limited RS-485/RS-422 Transceivers
MAX3080–MAX3089
SWITCHING CHARACTERISTICS—MAX3080–MAX3082, and MAX3089 with
SRL = Unconnected
(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.)
PARAMETER
Driver Input to Output
Driver Output Skew
|
t
DPLH
- t
DPHL
|
Driver Rise or Fall Time
Maximum Data Rate
Driver Enable to Output High
Driver Enable to Output Low
Driver Disable Time from Low
Driver Disable Time from High
Receiver Input to Output
SYMBOL
t
DPLH
t
DPHL
t
DSKEW
t
DR
, t
DF
f
MAX
t
DZH
t
DZL
t
DLZ
t
DHZ
t
RPLH
,
t
RPHL
t
RSKD
t
RZL
t
RZH
t
RLZ
t
RHZ
t
SHDN
t
DZH(SHDN)
t
DZL(SHDN)
t
RZH(SHDN)
t
RZL(SHDN)
Figures 8 and 10, C
L
= 100pF, S2 closed
Figures 8 and 10, C
L
= 100pF, S1 closed
Figures 8 and 10, C
L
= 15pF, S1 closed
Figures 8 and 10, C
L
= 15pF, S2 closed
Figures 11 and 13;
|
V
ID
|
≥
2.0V;
rise and fall time of V
ID
≤
15ns
Figures 11 and 13;
|
V
ID
|
≥
2.0V;
rise and fall time of V
ID
≤
15ns
Figures 6 and 12, C
L
= 100pF, S1 closed
Figures 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 closed
50
127
3
20
20
20
20
200
CONDITIONS
Figures 7 and 9, R
DIFF
= 54Ω,
C
L1
= C
L2
= 100pF
Figures 7 and 9, R
DIFF
= 54Ω,
C
L1
= C
L2
= 100pF
Figures 7 and 9, R
DIFF
= 54Ω,
C
L1
= C
L2
= 100pF
667
115
3500
3500
100
100
200
±30
50
50
50
50
600
6000
6000
3500
3500
MIN
500
500
TYP
2030
2030
-3
1320
MAX
2600
2600
±200
2500
UNITS
ns
ns
ns
kbps
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
|
t
RPLH
- t
RPHL
|
Differential
Receiver Skew
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
4
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MAXIM [ MAXIM INTEGRATED PRODUCTS ]
