Sundance SMT399-F User Manual

Sundance Multiprocessor Technology Limited

SMT399-F Clock Distribution
Module User Manual

Unit / Module Description:
Unit / Module Number: SMT399-F
Document Issue Number: 1.1
Issue Date: 6/9/2006
Original Author: G Parker

SMT399-F Clock

Distribution Module

Form : QCF42
Date : 6 July 2006

User Manual

Sundance Multiprocessor Technology Ltd, Chiltern House,

Waterside, Chesham, Bucks. HP5 1PS.

This document is the property of Sundance and may not be copied

nor communicated to a third party without prior written

permission.

© Sundance Multiprocessor Technology Limited 2006

SMT399-F Clock Distribution Module User Manual

Revision History

Issue Changes Made Date Initials

1.0 First draft 12/7/06 GKP

1.1 Added phase diagram 6/9/06 GKP

SMT399-F Clock Distribution Module User Manual Page 2 of 11

Table of Contents

1 Introduction....................................................................................................................... 4

2 Related Documents.......................................................................................................... 4

3 Acronyms and Abbreviations....................................................................................... 4

4 Functional Description ................................................................................................... 5

4.1 Block Diagram.............................................................................................................. 5

4.2 Module Options........................................................................................................... 6

4.3 Module Adjustments.................................................................................................. 7

4.3.1 Phase Adjustment...............................................................................................7

4.4 Module Component Selection................................................................................... 8

5 Footprint............................................................................................................................. 9

5.1 Top View....................................................................................................................... 9

6 Circuit Diagram ..............................................................................................................10

7 Physical Properties........................................................................................................ 11

8 Safety.................................................................................................................................11

9 EMC.................................................................................................................................... 11

SMT399-F Clock Distribution Module User Manual Page 3 of 11

1 Introduction

The SMT399-F is a single width TIM designed to distribute a clock signal to four
devices.

It can produce a local clock using an OCXO, or receive an external clock on an MMBX
or MMCX style connector.

The clock signal is split into 4 via a power splitter.

2 Related Documents

TIM-40 Specification.
OCXO Datasheet
PSC Datasheet

3 Acronyms and Abbreviations

OCXO Oven controlled Crystal Oscillator
TIM Texas Instruments Module
LED Light Emitting Diode

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