ADM3485E
TIMING SPECIFICATIONS (VCC = +3.3 V, TA = +25ꢂC)
Parameter
Min
Typ
Max
Units Test Conditions/ Comments
DRIVER
Differential Output Delay TDD
Differential Output Transition Time
Propagation Delay Input to Output TPLH, TPHL
Driver O/P to O/P TSKEW
1
1
7
35
15
35
8
ns
ns
ns
ns
RL = 60 Ω, CL1 = CL2 = 15 pF, Figure 3
RL = 60 Ω, CL1 = CL2 = 15 pF, Figure 3
RL = 27 Ω, CL1 = CL2 = 15 pF, Figure 7
RL = 54 Ω, CL1 = CL2 = 15 pF, Figure 3
8
22
ENABLE/DISABLE
Driver Enable to Output Valid
Driver Disable Timing
45
40
650
90
80
110
ns
ns
ns
RL = 110 Ω, CL = 50 pF, Figure 2
RL = 110 Ω, CL = 50 pF, Figure 2
RL = 110 Ω, CL = 15 pF, Figure 2
Driver Enable from Shutdown
RECEIVER
Time to Shutdown
Propagation Delay Input to Output TPLH, TPHL
Skew TPLH–TPHL
Receiver Enable TEN
Receiver Disable TDEN
Receiver Enable from Shutdown
80
25
190
65
300
90
10
50
45
ns
ns
ns
ns
ns
ns
CL = 15 pF, Figure 8
CL = 15 pF, Figure 8
CL = 15 pF, Figure 6
CL = 15 pF, Figure 6
CL = 15 pF, Figure 6
25
25
500
Specifications subject to change without notice.
(V = +3.3 V ꢁ 0.3 V, T = TMIN to TMAX
)
TIMING SPECIFICATIONS
CC
A
Parameter
Min
Typ
Max
Units Test Conditions/ Comments
DRIVER
Differential Output Delay TDD
Differential Output Transition Time
Propagation Delay Input to Output TPLH, TPHL
Driver O/P to O/P TSKEW
1
2
7
70
15
70
10
ns
ns
ns
ns
RL = 60 Ω, CL1 = CL2 = 15 pF, Figure 3
RL = 60 Ω, CL1 = CL2 = 15 pF, Figure 3
RL = 27 Ω, CL1 = CL2 = 15 pF, Figure 7
RL = 54 Ω, CL1 = CL2 = 15 pF, Figure 3
8
22
ENABLE/DISABLE
Driver Enable to Output Valid
Driver Disable Timing
Driver Enable from Shutdown
45
40
650
110
110
110
ns
ns
ns
RL = 110 Ω, CL = 50 pF, Figure 2
RL = 110 Ω, CL = 50 pF, Figure 2
RL = 110 Ω, CL = 15 pF, Figure 2
RECEIVER
Time to Shutdown
Propagation Delay Input to Output TPLH, TPHL
Skew TPLH–TPHL
Receiver Enable TEN
Receiver Disable TDEN
Receiver Enable from Shutdown
50
25
190
65
500
115
20
50
50
ns
ns
ns
ns
ns
ns
CL = 15 pF, Figure 8
CL = 15 pF, Figure 8
CL = 15 pF, Figure 6
CL = 15 pF, Figure 6
CL = 15 pF, Figure 6
25
25
600
Specifications subject to change without notice.
REV. A
–3–
ADI [ ADI ]
