ACS8515(2001) Ver la hoja de datos (PDF) - Semtech Corporation

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ACS8515
(Rev.:2001)

Line Card Protection Switch for SONET or SDH Network Elements

Semtech Corporation 

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Table of Contents

ACS8515 LC/P

FINAL

Pin diagram................................................................................................................................................3

Pin descriptions.........................................................................................................................................4

Functional description...............................................................................................................................6

Local oscillator clock..........................................................................................................................................................6

Input Interfaces..................................................................................................................................................................7

Input reference clock ports................................................................................................................................................7

Input wander and jitter tolerance......................................................................................................................................9

Output clock ports...........................................................................................................................................................10

Output wander and jitter..................................................................................................................................................11

Phase variation.................................................................................................................................................................13

Phase build-out.................................................................................................................................................................15

Microprocessor interface................................................................................................................................................15

Interrupt enable and clear...............................................................................................................................................16

Register map.....................................................................................................................................................................17

Register map description.................................................................................................................................................20

Selection of input reference clock sources...................................................................................................................27

Activity monitoring...........................................................................................................................................................28

Modes of operation..........................................................................................................................................................30

Power on reset - PORB.....................................................................................................................................................31

Electrical specification............................................................................................................................33

Absolute maximum range...............................................................................................................................................33

Operating conditions.......................................................................................................................................................33

TTL DC characterisitics...................................................................................................................................................33

PECL DC characteristics..................................................................................................................................................35

LVDS DC characteristics..................................................................................................................................................36

Jitter characteristics........................................................................................................................................................37

Microprocessor inter face timing characteristics.......................................................................................41

Serial mode.......................................................................................................................................................................41

Package information................................................................................................................................43

Application information............................................................................................................................45

Simplified application schematic...................................................................................................................................45

Revision History.......................................................................................................................................46

Order information....................................................................................................................................47

Revision 2.05/Jan 2001 ã2001 Semtech Corp

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