DS3154+ Maxim Integrated Products, DS3154+ Datasheet - Page 27

• Manufacturer Part Number: DS3154+
• Description: IC LIU DS3/E3/STS1 QUAD 144CSBGA
• Manufacturer: Maxim Integrated Products
• Type: Line Interface Units (LIUs)r

Specifications of DS3154+

• Number Of Drivers/receivers: 4/4
• Protocol: IEEE 1149.1
• Voltage - Supply: 3.135 V ~ 3.465 V
• Mounting Type: Surface Mount
• Package / Case: 144-CSBGA
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

Table 7-D. STS-1 Waveform Test Parameters and Limits
Table 7-E. E3 Waveform Test Parameters and Limits
Figure 7-1. E3 Waveform Template
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
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
-0.1
-0.2
1.2
1.1
1.0
0.9
0.8
0.7
0.6
0.5
0.4
0.3
0.2
0.1
0
PARAMETER
PARAMETER
DS3151/DS3152/DS3153/DS3154 Single/Dual/Triple/Quad DS3/E3/STS-1 LIUs
51.840Mbps (±20ppm)
B3ZS
Coaxial cable (AT&T 734A or equivalent)
At the end of 0 to 450ft of coaxial cable
75Ω (±1%) resistive
0.800V nominal (not covered in specs)
An isolated pulse (preceded by two zeros and followed by one
or more zeros) falls within the curved listed in
Between -1.8dBm and +5.7dBm
At least 20dB less than the power measured at 25.92MHz.
34.368Mbps (±20ppm)
HDB3
Coaxial cable (AT&T 734A or equivalent)
At the transmitter
75Ω (±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
TIME (ns)
27 of 61
8.65
12.1
24.5
29.1
17
SPECIFICATION
SPECIFICATION
TEMPLATE
G.703
E3
Table
Figure
7-C.
7-1.