Table Of Contents 3 November 14, 2012
TABLE OF CONTENTS
1 IDT82V3001A PIN CONFIGURATION...........................................................................................................................6
2 PIN DESCRIPTION........................................................................................................................................................7
3 FUNCTIONAL DESCRIPTION.....................................................................................................................................10
3.1 State Control Circuit.............................................................................................................................................10
3.1.1 Normal Mode............................................................................................................................................11
3.1.2 Fast Lock Mode........................................................................................................................................11
3.1.3 Holdover Mode .........................................................................................................................................11
3.1.4 Freerun Mode...........................................................................................................................................12
3.2 Frequency Select Circuit......................................................................................................................................12
3.3 Invalid Input Signal Detection..............................................................................................................................12
3.4 TIE Control Block...........................................................................................................
......................................12
3.5 DPLL Block..........................................................................................................................................................14
3.5.1 Phase Detector (PHD)..............................................................................................................................14
3.5.2 Limiter.......................................................................................................................................................14
3.5.3 Loop Filter.................................................................................................................................................14
3.5.4 Fraction Block...........................................................................................................................................15
3.5.5 Digital Control Oscillator (DCO)................................................................................................................15
3.5.6 Lock Indicator ...........................................................................................................................................15
3.5.7 Output Interface........................................................................................................................................15
3.6 OSC.....................................................................................................................................................................15
3.6.1 Clock Oscillator.........................................................................................................................................15
3.7 JTAG....................................................................................................................................................................15
3.8 Reset Circuit........................................................................................................................................................15
3.9 Power Supply Filtering Techniques.....................................................................................................................16
4 MEASURES OF PERFORMANCE..............................................................................................................................17
4.1 Intrinsic Jitter........................................................................................................................................................17
4.2 Jitter Tolerance....................................................................................................................................................17
4.3 Jitter Transfer.......................................................................................................................................................17
4.4 Frequency Accuracy............................................................................................................................................17
4.5 Holdover Accuracy...............................................................................................................................................17
4.6 Capture Range ....................................................................................................................................................17
4.7 Lock Range..................................................................................................................
........................................17
4.8 Phase Slope ........................................................................................................................................................17
4.9 Time Interval Error (TIE)......................................................................................................................................17
4.10 Maximum Time Interval Error (MTIE) ..................................................................................................................17
4.11 Phase Continuity..................................................................................................................................................17
4.12 Phase Lock Time.................................................................................................................................................18
5 TEST SPECIFICATIONS .............................................................................................................................................19
5.1 AC Electrical Characteristics**.............................................................................................................................20
6 TIMING CHARACTERISTICS......................................................................................................................................24
7 ORDERING INFORMATION........................................................................................................................................28
