DS32508 Maxim Integrated Products, DS32508 Datasheet - Page 29

• Manufacturer Part Number: DS32508
• Description: Network Controller & Processor ICs 8-Port DS3-E3-STS-1 Line Interface Unit
• Manufacturer: Maxim Integrated Products

Specifications of DS32508

• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

Figure 8-3. E3 Waveform Template
Table 8-6. E3 Waveform Test Parameters and Limits
Rate
Line Code
Transmission Medium
Test Measurement Point
Test Termination
Pulse Amplitude
Pulse Shape
Ratio of the Amplitudes of Positive and
Negative Pulses at the Center of the Pulse
Interval
Ratio of the Widths of Positive and Negative
Pulses at the Nominal Half Amplitude
-0.2
1.2
1.0
0.8
0.4
0.2
0.6
0
-0.1
1.1
0.9
0.5
0.1
-15
Zero Level
PARAMETER
-10
Overshoot
-5
17.0 (14.55 + 2.45)
24.5 (14.55 + 9.95)
8.65 (14.55 - 5.90)
12.1 (14.55 - 2.45)
29.1 (14.55 +
Time (ns)
34.368Mbps ( ± 20ppm)
HDB3
Coaxial cable (AT&T 734A or equivalent)
At the transmitter
75 Ω ( ± 1%) resistive
1.0V (nominal)
An isolated pulse (preceded by two zeros
and followed by one or more zeros) falls
within the template shown in
0.95 to 1.05
0.95 to 1.05
14.55)
One Level
14.55
0
29 of 130
SPECIFICATION
5
Undershoot
10
Nominal Pulse
Figure
Zero Level
8-3.
DS32506/DS32508/DS32512
15
DS325xx waveshape
segments. See the
LIU.TWSCR
descriptions.
register