GX3146 Datasheet, PDF (3/46 Pages) Semtech Corporation – Crosspoint Switch with Trace Equalization and Output De-emphasis

Revision History
Version
2
ECO
011839
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158396
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157406
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157284
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PCN
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Date
Changes and/or Modifications
March 2013
October 2012
February 2012
November 2011
July 2011
Corrected second bullet in Section 4.7.1, and added a note in
Section 4.4.
Included ESD Voltage Sensitivity in Table 2-1. Modifications to
Table 4-18 and Section 4.12.2 to include Auto-Increment Timing
and functionality. Updates to Appendix - Relevant
Documentation with clear reference to correct documents.
Converted document to Data Sheet.
Converted document to Preliminary Data Sheet. Updates
throughout.
Corrections throughout the entire document.
New document.
Contents
1. Ball Out .............................................................................................................................................................5
1.1 Ball Assignment ................................................................................................................................5
1.2 Ball Descriptions ...............................................................................................................................6
2. Electrical Characteristics ............................................................................................................................9
2.1 Absolute Maximum Ratings ..........................................................................................................9
2.2 Recommended Operating Conditions .................................................................................... 10
2.3 DC Electrical Characteristics ..................................................................................................... 11
2.4 AC Electrical Characteristics ..................................................................................................... 15
3. Input/Output Equivalent Circuits ......................................................................................................... 17
4. Detailed Description.................................................................................................................................. 20
4.1 Serial Data Input ............................................................................................................................ 20
4.2 Serial Data Output ......................................................................................................................... 21
4.3 Crosspoint Switch Matrix Operation ...................................................................................... 23
4.4 Propagation Delay ......................................................................................................................... 24
4.5 Using Multiple Strobes ................................................................................................................. 24
4.6 Pattern Generator and Pattern Checker ................................................................................ 24
4.6.1 Pattern Generator.............................................................................................................. 24
4.6.2 Pattern Checker.................................................................................................................. 25
4.7 Horizontal Eye Measurement .................................................................................................... 29
4.7.1 Configuration for Horizontal Eye Measurement .................................................... 29
4.8 Temperature Sensors .................................................................................................................... 29
4.9 27MHz Reference Clock .............................................................................................................. 32
4.10 Device Power-Up ........................................................................................................................ 32
4.11 Device Reset .................................................................................................................................. 33
4.12 Host Interface ............................................................................................................................... 33
4.12.1 Parallel Host Interface Specifications ...................................................................... 33
GX3146 146 x 146 3.5Gb/s Crosspoint
Final Data Sheet Rev. 2
GENDOC-056075 March 2013
www.semtech.com
3 of 46
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