IDT82P20416 データシートの表示（PDF） - Integrated Device Technology
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IDT82P20416 Datasheet PDF : 121 Pages
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Table of Contents
TABLE OF CONTENTS ........................................................................................................................................................... 3
LIST OF TABLES .................................................................................................................................................................... 6
LIST OF FIGURES ................................................................................................................................................................... 7
FEATURES ............................................................................................................................................................................... 8
APPLICATIONS........................................................................................................................................................................ 9
DESCRIPTION.......................................................................................................................................................................... 9
BLOCK DIAGRAM ................................................................................................................................................................. 10
1 PIN ASSIGNMENT .......................................................................................................................................................... 11
2 PIN DESCRIPTION ......................................................................................................................................................... 12
3 FUNCTIONAL DESCRIPTION ........................................................................................................................................ 20
3.1 T1 / E1 / J1 MODE SELECTION .............................................................................................................................. 20
3.2 RECEIVE PATH ....................................................................................................................................................... 20
3.2.1 Rx Termination ............................................................................................................................................ 20
3.2.1.1 Receive Differential Mode ........................................................................................................... 20
3.2.2 Equalizer ..................................................................................................................................................... 22
3.2.2.1 Line Monitor ................................................................................................................................ 22
3.2.2.2 Receive Sensitivity ...................................................................................................................... 22
3.2.3 Slicer ........................................................................................................................................................... 23
3.2.4 Rx Clock & Data Recovery ......................................................................................................................... 23
3.2.5 Decoder ...................................................................................................................................................... 23
3.2.6 Receive System Interface ........................................................................................................................... 23
3.2.7 Receiver Power Down ................................................................................................................................ 24
3.3 TRANSMIT PATH .................................................................................................................................................... 24
3.3.1 Transmit System Interface .......................................................................................................................... 24
3.3.2 Tx Clock Recovery ...................................................................................................................................... 25
3.3.3 Encoder ....................................................................................................................................................... 25
3.3.4 Waveform Shaper ....................................................................................................................................... 25
3.3.4.1 Preset Waveform Template ........................................................................................................ 25
3.3.4.2 User-Programmable Arbitrary Waveform .................................................................................... 27
3.3.5 Line Driver ................................................................................................................................................... 29
3.3.5.1 Transmit Over Current Protection ............................................................................................... 29
3.3.6 Tx Termination ............................................................................................................................................ 29
3.3.6.1 Transmit Differential Mode .......................................................................................................... 29
3.3.7 Transmitter Power Down ............................................................................................................................ 31
3.3.8 Output High-Z on TTIP and TRING ............................................................................................................ 31
3.4 JITTER ATTENUATOR (RJA & TJA) ....................................................................................................................... 32
3.5 DIAGNOSTIC FACILITIES ....................................................................................................................................... 33
3.5.1 Bipolar Violation (BPV) / Code Violation (CV) Detection and BPV Insertion .............................................. 33
Table of Contents
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December 17, 2009
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