IDT82P2821BHG IDT, Integrated Device Technology Inc, IDT82P2821BHG Datasheet - Page 3

• Manufacturer Part Number: IDT82P2821BHG
• Description: IC LINE INTERFACE UNIT 640-PBGA
• Manufacturer: IDT, Integrated Device Technology Inc

Specifications of IDT82P2821BHG

• Function: Line Interface Unit (LIU)
• Interface: E1, J1, T1
• Number Of Circuits: 1
• Voltage - Supply: 1.8V, 3.3V
• Operating Temperature: -40°C ~ 85°C
• Mounting Type: Surface Mount
• Package / Case: *
• Includes: Defect and Alarm Detection, Driver Over-Current Detection and Protection, LLOS Detection, PRBSARB / IB Detection and Generation
• Number Of Transceivers: 1
• Screening Level: Industrial
• Mounting: Surface Mount
• Operating Temperature (min): -40C
• Operating Temperature (max): 85C
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Current - Supply: -
• Power (watts): -
• Lead Free Status / RoHS Status: Compliant, Lead free / RoHS Compliant
• Other names: 800-1703; 82P2821BHG

TABLE OF CONTENTS ........................................................................................................................................................... 3
LIST OF TABLES .................................................................................................................................................................... 7
LIST OF FIGURES ................................................................................................................................................................... 8
FEATURES ............................................................................................................................................................................. 10
APPLICATIONS...................................................................................................................................................................... 11
DESCRIPTION........................................................................................................................................................................ 11
BLOCK DIAGRAM ................................................................................................................................................................. 12
1 PIN ASSIGNMENT .......................................................................................................................................................... 13
2 PIN DESCRIPTION ......................................................................................................................................................... 18
3 FUNCTIONAL DESCRIPTION ........................................................................................................................................ 29
Table of Contents
3.1 T1 / E1 / J1 MODE SELECTION .............................................................................................................................. 29
3.2 RECEIVE PATH ....................................................................................................................................................... 29
3.3 TRANSMIT PATH .................................................................................................................................................... 34
3.4 JITTER ATTENUATOR (RJA & TJA) ....................................................................................................................... 42
3.2.1
3.2.2
3.2.3
3.2.4
3.2.5
3.2.6
3.2.7
3.3.1
3.3.2
3.3.3
3.3.4
3.3.5
3.3.6
3.3.7
3.3.8
Rx Termination ............................................................................................................................................ 29
3.2.1.1
3.2.1.2
Equalizer ..................................................................................................................................................... 32
3.2.2.1
3.2.2.2
Slicer ........................................................................................................................................................... 33
Rx Clock & Data Recovery ......................................................................................................................... 33
Decoder ...................................................................................................................................................... 33
Receive System Interface ........................................................................................................................... 33
Receiver Power Down ................................................................................................................................ 34
Transmit System Interface .......................................................................................................................... 34
Tx Clock Recovery ...................................................................................................................................... 35
Encoder ....................................................................................................................................................... 35
Waveform Shaper ....................................................................................................................................... 35
3.3.4.1
3.3.4.2
Line Driver ................................................................................................................................................... 39
3.3.5.1
Tx Termination ............................................................................................................................................ 39
3.3.6.1
3.3.6.2
Transmitter Power Down ............................................................................................................................ 41
Output High-Z on TTIP and TRING ............................................................................................................ 41
Receive Differential Mode ........................................................................................................... 29
Receive Single Ended Mode ....................................................................................................... 31
Line Monitor ................................................................................................................................ 32
Receive Sensitivity ...................................................................................................................... 32
Preset Waveform Template ........................................................................................................ 35
User-Programmable Arbitrary Waveform .................................................................................... 37
Transmit Over Current Protection ............................................................................................... 39
Transmit Differential Mode .......................................................................................................... 39
Transmit Single Ended Mode ...................................................................................................... 40
3
Table of Contents
February 6, 2009