DS3181 Maxim Integrated Products, DS3181 Datasheet - Page 394

• Manufacturer Part Number: DS3181
• Description: Network Controller & Processor ICs DS3-E3 ATM-Packet PH Y with Built-in Line
• Manufacturer: Maxim Integrated Products

Specifications of DS3181

• Product: Framer
• Number Of Transceivers: 1
• Data Rate: 44.736 Mbps
• Supply Voltage (max): 3.465 V
• Supply Voltage (min): 3.135 V
• Supply Current (max): 280 mA
• Maximum Operating Temperature: + 70 C
• Minimum Operating Temperature: 0 C
• Mounting Style: SMD/SMT
• Package / Case: TEBGA
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

Table 18-10. STS-1 Waveform Template
Governing Specifications: Bellcore GR-253 and Bellcore GR-499 and ANSI T1.102.
Table 18-11. 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
TIME (IN UNIT INTERVALS)
-0.68 ≤ T ≤ +0.26
-0.36 ≤ T ≤ +0.36
-0.85 ≤ T ≤ -0.68
-0.85 ≤ T ≤ -0.36
PARAMETER
0.26 ≤ T ≤ 1.4
0.36 ≤ T ≤ 1.4
LOWER CURVE
UPPER CURVE
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.
NORMALIZED AMPLITUDE EQUATIONS
0.5 {1 + sin[(π / 2)(1 + T / 0.34)]} + 0.03
0.5 {1 + sin[(π / 2)(1 + T / 0.18)]} - 0.03
394
0.1 + 0.61e
SPECIFICATION
Table
-0.03
-0.03
0.03
18-10.
-2.4(T - 0.26)