DS32506W Maxim Integrated, DS32506W Datasheet - Page 27

• Manufacturer Part Number: DS32506W
• Description: Network Controller & Processor ICs
• Manufacturer: Maxim Integrated

Specifications of DS32506W

• Part # Aliases: 90-32506-W00

Figure 8-1. DS3 Waveform Template
Table 8-2. DS3 Waveform Equations
Table 8-3. DS3 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 22.368MHz
Unframed All-Ones Power Level at 44.736MHz
Pulse Imbalance of Isolated Pulses
TIME (IN UNIT INTERVALS)
-0.68 ≤ T ≤ +0.36
-0.36 ≤ T ≤ +0.36
-0.85 ≤ T ≤ -0.68
-0.85 ≤ T ≤ -0.36
0.36 ≤ T ≤ 1.4
0.36 ≤ T ≤ 1.4
-0.2
1.2
1.0
0.8
0.6
0.4
0.2
PARAMETER
0
-1.0
-0.75
LOWER CURVE
-0.5
UPPER CURVE
1st Rise
2nd Rise
-0.25
NORMALIZED AMPLITUDE EQUATION
0.5 {1 + sin[(π / 2)(1 + T / 0.34)]} + 0.03
0.5 {1 + sin[(π / 2)(1 + T / 0.18)]} - 0.03
0
44.736Mbps (±20ppm)
B3ZS
Coaxial cable (AT&T 734A or equivalent)
At the end of 0 to 450ft of coaxial cable
75Ω (±1%) resistive
Between 0.36V and 0.85V
An isolated pulse (preceded by two zeros and followed by
one zero) falls within the curves listed in
Between -1.8dBm and +5.7dBm
At least 20dB less than the power at 22.368MHz
Ratio of positive and negative pulses must be between 0.90
and 1.10
27 of 130
0.08 + 0.407e
Time (UI)
1st Fall
0.25
2nd Fall
-0.03
-0.03
0.03
0.5
-1.84(T - 0.36)
DS325xx waveshape segments.
See the
descriptions.
SPECIFICATION
0.75
LIU.TWSCR
1.0
DS32506/DS32508/DS32512
register
1.25
Table
1.5
8-2.