ADM3483/ADM3485/ADM3488/ADM3490
TIMING SPECIFICATIONS
(V
Parameter
RECEIVER
Time to Shutdown, t
SHDN
Propagation Delay, Low-to-High Level, t
RPLH
Propagation Delay, High-to-Low Level, t
RPHL
|t
PLH
– t
PHL
| Propagation Delay Skew, t
RPDS
Output Enable Time to Low Level, t
PRZL
Output Enable Time to High Level, t
PRZH
Ouput Disable Time from High Level, t
PRHZ
Ouput Disable Time from Low Level, t
PRLZ
Output Enable Time from Shutdown to
Low Level, t
PRSL
Output Enable Time from Shutdown to
High Level, t
PRSH
25
25
25
25
720
720
CC
Preliminary Technical Data
Typ
190
65
75
65
75
Max
300
90
120
90
120
10
20
50
50
45
45
1400
1400
Units
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
Test Conditions/Comments
ADM3483/ADM3485 only, Note 3
V
ID
= 0V to 3.0V, C
L
= 15pF, Figure 10
ADM3483/ADM3488 only.
V
ID
= 0V to 3.0V, C
L
= 15pF, Figure 10
ADM3483/ADM3488 only.
V
ID
= 0V to 3.0V, C
L
= 15pF, Figure 10
ADM3483/ADM3488 only.
C
L
= 15pF, Figure 11, ADM3483/ADM3485
only
C
L
= 15pF, Figure 11, ADM3483/ADM3485
only
C
L
= 15pF, Figure 116, ADM3483/ADM3485
only
C
L
= 15pF, Figure 11, ADM3483/ADM3485
only
C
L
= 15pF, Figure 11, ADM3483/ADM3485
only
C
L
= 15pF, Figure 11, ADM3483/ADM3485
only
=3.3V, T
A
= 25°)
Min
80
25
25
25
25
Note1:
∆V
OD
and
∆V
OC
are the changes in V
OD
and V
OC
, respectively, when DI input changes state.
Note 2: Measured on |t
PLH
(Y) - t
PHL
(Y) | and |t
PLH
(Z) - t
PHL
(Z) |.
Note 3: The transceivers are put into shutdown by bringing RE high and DE low. If the inputs are in this state for less than 80ns, the parts are guaranteed not to enter
shutdown. If the inputs are in this state for at least 300ns, the part are guaranteed to have entered shutdown.
Rev.PrD | Page 4 of 14
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