82V2081PPG8 IDT, Integrated Device Technology Inc, 82V2081PPG8 Datasheet - Page 3

• Manufacturer Part Number: 82V2081PPG8
• Manufacturer: IDT, Integrated Device Technology Inc

Specifications of 82V2081PPG8

• Number Of Transceivers: 1
• Screening Level: Industrial
• Mounting: Surface Mount
• Package Type: TQFP
• Operating Temperature (min): -40C
• Operating Temperature (max): 85C
• Lead Free Status / RoHS Status: Compliant

SINGLE CHANNEL T1/E1/J1 LONG HAUL/SHORT HAUL LINE INTERFACE UNIT
1
2
3
TABLE OF CONTENTS
TABLE OF CONTENTS
IDT82V2081 PIN CONFIGURATIONS .......................................................................................... 8
PIN DESCRIPTION ....................................................................................................................... 9
FUNCTIONAL DESCRIPTION .................................................................................................... 15
3.1
3.2
3.3
3.4
3.5
3.6
3.7
3.8
CONTROL MODE SELECTION ....................................................................................... 15
T1/E1/J1 MODE SELECTION .......................................................................................... 15
TRANSMIT PATH ............................................................................................................. 15
3.3.1 TRANSMIT PATH SYSTEM INTERFACE.............................................................. 15
3.3.2
3.3.3 PULSE SHAPER .................................................................................................... 15
3.3.4 TRANSMIT PATH LINE INTERFACE..................................................................... 20
3.3.5 TRANSMIT PATH POWER DOWN ........................................................................ 20
RECEIVE PATH ............................................................................................................... 21
3.4.1 RECEIVE INTERNAL TERMINATION.................................................................... 21
3.4.2 LINE MONITOR ...................................................................................................... 22
3.4.3 ADAPTIVE EQUALIZER......................................................................................... 22
3.4.4 RECEIVE SENSITIVITY ......................................................................................... 22
3.4.5 DATA SLICER ........................................................................................................ 22
3.4.6 CDR (Clock & Data Recovery)................................................................................ 22
3.4.7 DECODER .............................................................................................................. 22
3.4.8 RECEIVE PATH SYSTEM INTERFACE ................................................................ 23
3.4.9 RECEIVE PATH POWER DOWN........................................................................... 23
JITTER ATTENUATOR .................................................................................................... 23
3.5.1 JITTER ATTENUATION FUNCTION DESCRIPTION ............................................ 23
3.5.2 JITTER ATTENUATOR PERFORMANCE ............................................................. 23
LOS AND AIS DETECTION ............................................................................................. 24
3.6.1 LOS DETECTION ................................................................................................... 24
3.6.2 AIS DETECTION .................................................................................................... 25
TRANSMIT AND DETECT INTERNAL PATTERNS ........................................................ 26
3.7.1 TRANSMIT ALL ONES ........................................................................................... 26
3.7.2 TRANSMIT ALL ZEROS......................................................................................... 26
3.7.3 PRBS/QRSS GENERATION AND DETECTION.................................................... 26
LOOPBACK ...................................................................................................................... 26
3.8.1 ANALOG LOOPBACK ............................................................................................ 26
3.8.2 DIGITAL LOOPBACK ............................................................................................. 26
3.8.3 REMOTE LOOPBACK............................................................................................ 26
3.8.4 INBAND LOOPBACK.............................................................................................. 28
3.3.3.1 Preset Pulse Templates .......................................................................... 15
3.3.3.2 LBO (Line Build Out) ............................................................................... 16
3.3.3.3 User-Programmable Arbitrary Waveform ................................................ 16
3.8.4.1 Transmit Activate/Deactivate Loopback Code......................................... 28
3.8.4.2 Receive Activate/Deactivate Loopback Code.......................................... 28
3.8.4.3 Automatic Remote Loopback .................................................................. 28
ENCODER ............................................................................................................. 15
3
TEMPERATURE RANGES
INDUSTRIAL