TTRN012G5 データシートの表示（PDF） - Agere -> LSI Corporation

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TTRN012G5

TTRN012G5 (2.5 Gbits/s) and TTRN012G7 (2.5 Gbits/s and 2.7 Gbits/s) Clock Synthesizer, 16:1 Data Multiplexer

Agere -> LSI Corporation 

TTRN012G5 and TTRN012G7

Clock Synthesizer, 16:1 Data Multiplexer

Preliminary Data Sheet

August 2000

Table of Contents

Contents

Page

Features .................................................................................................................................................................... 1

Applications ............................................................................................................................................................... 1

Description................................................................................................................................................................. 1

Pin Information ..........................................................................................................................................................4

Functional Overview .................................................................................................................................................. 9

Clock Synthesizer Operation .................................................................................................................................. 9

Multiplexer Operation............................................................................................................................................11

Clocking Modes and Timing Adjustments ...............................................................................................................12

Clockless Transfer Mode (CLKMODE, EXTADJN, MONAPAP/N) .......................................................................12

Contra-Directional Clocking Mode (CLKMODE, PHADJ[1:0]) ..............................................................................13

CML Output Structure (Used on Pins D2G5P/N, CK2G5P/N).................................................................................14

Choosing the Value of the External CML Reference Resistors (RREF1, RREF2) ...............................................14

Absolute Maximum Ratings.....................................................................................................................................15

Handling Precautions ..............................................................................................................................................15

Operating Conditions...............................................................................................................................................15

Electrical Characteristics .........................................................................................................................................16

Reference Frequency (REFCLKP/N) Specifications.............................................................................................16

LVPECL, CMOS, CML Input and Output Pins ......................................................................................................17

Timing Characteristics .............................................................................................................................................19

Transmit Timing ....................................................................................................................................................19

Outline Diagram.......................................................................................................................................................21

128-Pin QFP .........................................................................................................................................................21

Ordering Information................................................................................................................................................22

DS00-375HSPL Replaces DS00-155HSPL to Incorporate the Following Updates.................................................22

2

Lucent Technologies Inc.

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