ADM3491-1
TIMING SPECIFICATIONS
V
CC
= 3.3 V, T
A
= 25°C, unless otherwise noted.
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
Data Sheet
Test Conditions/ Comments
R
L
= 60 Ω, C
L1
= C
L2
= 15 pF, see Figure 18
R
L
= 60 Ω, C
L1
= C
L2
= 15 pF, see Figure 18
R
L
= 27 Ω, C
L1
= C
L2
= 15 pF, see Figure 19
R
L
= 54 Ω, C
L1
= C
L2
= 15 pF, see Figure 19
R
L
= 110 Ω, C
L
= 50 pF, see Figure 16
R
L
= 110 Ω, C
L
= 50 pF, see Figure 16
R
L
= 110 Ω, C
L
= 15 pF, see Figure 16
8
22
45
40
65
80
25
190
65
25
25
C
L
= 15 pF, see Figure 21
C
L
= 15 pF, see Figure 21
C
L
= 15 pF, see Figure 17
C
L
= 15 pF, see Figure 17
C
L
= 15 pF, see Figure 17
V
CC
= 3.3 V ± 0.3 V, T
A
= T
MIN
to T
MAX
, unless otherwise noted.
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, see Figure 18
R
L
= 60 Ω, C
L1
= C
L2
= 15 pF, see Figure 18
R
L
= 27 Ω, C
L1
= C
L2
= 15 pF, see Figure 19
R
L
= 54 Ω, C
L1
= C
L2
= 15 pF, see Figure 19
R
L
= 110 Ω, C
L
= 50 pF, see Figure 16
R
L
= 110 Ω, C
L
= 50 pF, see Figure 16
R
L
= 110 Ω, C
L
= 15 pF, see Figure 16
8
22
45
40
65
50
25
190
65
25
25
C
L
= 15 pF, see Figure 21
C
L
= 15 pF, see Figure 21
C
L
= 15 pF, see Figure 17
C
L
= 15 pF, see Figure 17
C
L
= 15 pF, see Figure 17
Rev. C | Page 4 of 16
AD [ ANALOG DEVICES ]
