DS32508N-W Maxim Integrated, DS32508N-W Datasheet - Page 28
DS32508N-W
Manufacturer Part Number
DS32508N-W
Description
Network Controller & Processor ICs
Manufacturer
Maxim Integrated
Datasheet
1.DS32512W.pdf
(130 pages)
Specifications of DS32508N-W
Part # Aliases
90-32508-NW0
- Current page: 28 of 130
- Download datasheet (2Mb)
Figure 8-2. STS-1 Waveform Template
Table 8-4. STS-1 Waveform Equations
Table 8-5. STS-1 Waveform Test Parameters and Limits
Rate
Line Code
Transmission Medium
Test Measurement Point
Test Termination
Pulse Amplitude
Pulse Shape
Unframed All-Ones Power Level at 25.92MHz
Unframed All-Ones Power Level at 51.84MHz
-0.2
1.2
1.0
0.8
0.4
0.2
0.6
0
TIME (IN UNIT INTERVALS)
-1.0
-0.68 ≤ T ≤ +0.26
-0.36 ≤ T ≤ +0.36
-0.85 ≤ T ≤ -0.68
-0.85 ≤ T ≤ -0.36
0.26 ≤ T ≤ 1.4
0.36 ≤ T ≤ 1.4
-0.75
PARAMETER
-0.5
1st Rise
2nd Rise
-0.25
LOWER CURVE
UPPER CURVE
0
Time (UI)
1st Fall
NORMALIZED AMPLITUDE EQUATIONS
0.5 {1 + sin[( π / 2)(1 + T / 0.34)]} + 0.03
0.25
0.5 {1 + sin[( π / 2)(1 + T / 0.18)]} - 0.03
51.840Mbps ( ± 20ppm)
B3ZS
Coaxial cable (AT&T 734A or equivalent)
At the end of 0 to 450ft of coaxial cable
75 Ω ( ± 1%) resistive
0.800V nominal (not covered in specs)
An isolated pulse (preceded by two zeros and followed by one
zero) falls within the curved listed in
Between -1.8dBm and +5.7dBm
At least 20dB less than the power at 25.92MHz
2nd Fall
28 of 130
0.5
0.1 + 0.61e
DS325xx waveshape segments.
See the
descriptions.
0.75
-0.03
-0.03
0.03
-2.4(T - 0.26)
LIU.TWSCR
1.0
SPECIFICATION
register
1.25
DS32506/DS32508/DS32512
Table
1.5
8-4.
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