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TTRN012G5 and TTRN012G7
Clock Synthesizer, 16:1 Data Multiplexer
Preliminary Data Sheet
August 2000
2
Lucent Technologies Inc.
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