ADM3483E/ADM3486E/ADM3488E/ADM3490E/ADM3491E
VCC = 3.3 V, TA = 25°C.
Table 5. ADM3490E/ADM3491E
Parameter
Symbol
Min
12
1
Typ
15
Max
Unit
Mbps
ns
Test Conditions/Comments
MAXIMUM DATA RATE
DIFFERENTIAL OUTPUT DELAY
DIFFERENTIAL OUTPUT TRANSITION TIME
PROPAGATION DELAY
tDD
tTD
22
35
25
RL = 60 Ω (see Figure 10)
RL = 60 Ω (see Figure 10)
3
11
ns
From Low to High Level
From High to Low Level
|tPLH − tPHL| PROPAGATION DELAY SKEW1
ENABLE/DISABLE TIMING (ADM3491E ONLY)
Enable Time to Low Level
tPLH
tPHL
tPDS
7
7
23
23
35
35
±±
ns
ns
ns
RL = 27 Ω (see Figure 11)
RL = 27 Ω (see Figure 11)
RL = 27 Ω (see Figure 11)
−1.4
tPZL
tPZH
tPLZ
tPHZ
tPSL
tPSH
42
42
35
35
650
650
90
90
±0
±0
900
900
ns
ns
ns
ns
ns
ns
RL = 110 Ω (see Figure 13)
RL = 110 Ω (see Figure 12)
RL = 110 Ω (see Figure 13)
RL = 110 Ω (see Figure 12)
RL = 110 Ω (see Figure 13)
RL = 110 Ω (see Figure 12)
Enable Time to High Level
Disable Time from Low Level
Disable Time from High Level
Enable Time from Shutdown to Low Level
Enable Time from Shutdown to High Level
1 Measured on |tPLH (Y) − tPHL (Y)| and |tPLH (Z) − tPHL (Z)|.
RECEIVER TIMING SPECIFICATIONS
VCC = 3.3 V, TA = 25°C.
Table 6. ADM3483E/ADM3486E/ADM3488E/ADM3490E/ADM3491E
Parameter
Symbol Min Typ Max Unit
Test Conditions/Comments
PROPAGATION DELAY
From Low to High Level
tRPLH
ADM34±6E/ADM3490E/ADM3491E
ADM34±3E/ADM34±±E
25
25
62
75
90
120
ns
ns
VID = 0 V to 3.0 V, CL = 15 pF (see Figure 14)
VID = 0 V to 3.0 V, CL = 15 pF (see Figure 14)
From High to Low Level
tRPHL
ADM34±6E/ADM3490E/ADM3491E
ADM34±3E/ADM34±±E
25
25
62
75
90
120
ns
ns
VID = 0 V to 3.0 V, CL = 15 pF (see Figure 14)
VID = 0 V to 3.0 V, CL = 15 pF (see Figure 14)
|tRPLH − tRPHL| PROPAGATION DELAY SKEW
ADM34±6E/ADM3490E/ADM3491E
ADM34±3E/ADM34±±E
tRPDS
+6
±10
ns
ns
VID = 0 V to 3.0 V, CL = 15 pF (see Figure 14)
VID = 0 V to 3.0 V, CL = 15 pF (see Figure 14)
+12 ±20
ENABLE/DISABLE TIMING (ADM34±3E/ADM34±6E/
ADM3491E ONLY)
Enable Time to Low Level
Enable Time to High Level
tRPZL
tRPZH
tRPLZ
tRPHZ
tRPSL
tRPSH
tSHDN
25
25
25
25
50
50
45
45
ns
ns
ns
ns
CL = 15 pF (see Figure 15)
CL = 15 pF (see Figure 15)
CL = 15 pF (see Figure 15)
CL = 15 pF (see Figure 15)
CL = 15 pF (see Figure 15)
CL = 15 pF (see Figure 15)
Disable Time from Low Level
Disable Time from High Level
Enable Time from Shutdown to Low Level
Enable Time from Shutdown to High Level
Time to Shutdown1
720 1400 ns
720 1400 ns
190 300
±0
ns
1 The transceivers are put into shutdown mode by bringing the high and the DE low. If the inputs are in this state for less than ±0 ns, the parts are guaranteed not to
RE
enter shutdown. If the parts are in this state for 300 ns or more, the parts are guaranteed to enter shutdown.
Rev. A | Page 6 of 20
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