ADM3491
TIMING SPECIFICATIONS
V
CC
= 3.3 V, T
A
= 25°C.
Table 2.
Parameter
DRIVER
Differential Output Delay, T
DD
Differential Output Transition Time
Propagation Delay Input to Output, T
PLH
, T
PHL
Driver Output to Output, T
SKEW
ENABLE/DISABLE
Driver Enable to Output Valid
Driver Disable Timing
Driver Enable from Shutdown
RECEIVER
Time to Shutdown
Propagation Delay Input to Output, T
PLH
, T
PHL
Skew, T
PLH
– T
PHL
Receiver Enable, T
EN
Receiver Disable, T
DEN
Receiver Enable from Shutdown
Min
1
1
7
Typ
Max
35
15
35
8
90
80
110
300
90
10
50
45
500
Unit
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
Test Conditions/ Comments
R
L
= 60 Ω, C
L1
= C
L2
= 15 pF, Figure 8
R
L
= 60 Ω, C
L1
= C
L2
= 15 pF, Figure 8
R
L
= 27 Ω, C
L1
= C
L2
= 15 pF, Figure 9
R
L
= 54 Ω, C
L1
= C
L2
= 15 pF, Figure 9
R
L
= 110 Ω, C
L
= 50 pF, Figure 6
R
L
= 110 Ω, C
L
= 50 pF, Figure 6
R
L
= 110 Ω, C
L
= 15 pF, Figure 6
8
22
45
40
650
80
25
190
65
25
25
C
L
= 15 pF, Figure 11
C
L
= 15 pF, Figure 11
C
L
= 15 pF, Figure 7
C
L
= 15 pF, Figure 7
C
L
= 15 pF, Figure 7
V
CC
= 3.3 V ± 0.3 V, T
A
= T
MIN
to T
MAX
.
Table 3.
Parameter
DRIVER
Differential Output Delay, T
DD
Differential Output Transition Time
Propagation Delay Input to Output, T
PLH
, T
PHL
Driver Output to Output, T
SKEW
ENABLE/DISABLE
Driver Enable to Output Valid
Driver Disable Timing
Driver Enable from Shutdown
RECEIVER
Time to Shutdown
Propagation Delay Input to Output, T
PLH
, T
PHL
Skew, T
PLH
– T
PHL
Receiver Enable, T
EN
Receiver Disable, T
DEN
Receiver Enable from Shutdown
Min
1
2
7
Typ
Max
70
15
70
10
110
110
110
500
115
20
50
50
600
Unit
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
Test Conditions/ Comments
R
L
= 60 Ω, C
L1
= C
L2
= 15 pF, Figure 8
R
L
= 60 Ω, C
L1
= C
L2
= 15 pF, Figure 8
R
L
= 27 Ω, C
L1
= C
L2
= 15 pF, Figure 9
R
L
= 54 Ω, C
L1
= C
L2
= 15 pF, Figure 9
R
L
= 110 Ω, C
L
= 50 pF, Figure 6
R
L
= 110 Ω, C
L
= 50 pF, Figure 6
R
L
= 110 Ω, C
L
= 15 pF, Figure 6
8
22
45
40
650
50
25
190
65
25
25
C
L
= 15 pF, Figure 11
C
L
= 15 pF, Figure 11
C
L
= 15 pF, Figure 7
C
L
= 15 pF, Figure 7
C
L
= 15 pF, Figure 7
Rev. A | Page 4 of 16
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