DS3181 Maxim Integrated Products, DS3181 Datasheet - Page 393

• 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

18.7 CLAD Jitter Characteristics
18.8 LIU Interface AC Characteristics
18.8.1 Waveform Templates
Table 18-8. DS3 Waveform Template
Governing Specifications: ANSI T1.102 and Bellcore GR-499.
Table 18-9. DS3 Waveform Test Parameters and Limits
Intrinsic Jitter (UI
Intrinsic Jitter (UI
Peak Jitter Transfer
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)
PARAMETER
-0.68 ≤ T ≤ +0.36
-0.36 ≤ T ≤ +0.36
-0.85 ≤ T ≤ -0.68
-0.85 ≤ T ≤ -0.36
PARAMETER
0.36 ≤ T ≤ 1.4
0.36 ≤ T ≤ 1.4
P-P
RMS
)
)
LOWER CURVE
UPPER CURVE
MIN
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 or more zeros) falls within the
curves listed in
Between -1.8dBm and +5.7dBm
At least 20dB less than the power measured at
22.368MHz
Ratio of positive and negative pulses must be
between 0.90 and 1.10.
NORMALIZED AMPLITUDE EQUATION
TYP
0.5 {1 + sin[(π / 2)(1 + T / 0.34)]} + 0.03
0.5 {1 + sin[(π / 2)(1 + T / 0.18)]} - 0.03
393
0.08 + 0.407e
0.0045
0.025
MAX
SPECIFICATION
1.75
Figure
-0.03
-0.03
0.03
18-9.
UNITS
-1.84(T - 0.36)
UI
UI
dB
RMS
P-P