GX3290 Datasheet, PDF (4/47 Pages) Semtech Corporation – 290 x 290 3.5Gb/s Crosspoint Switch

Contents
Key Features ........................................................................................................................................................1
Applications ......................................................................................................................................................... 1
Description ........................................................................................................................................................... 1
Revision History .................................................................................................................................................3
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 ................................................................................ 25
4.6.1 Pattern Generator.............................................................................................................. 25
4.6.2 Pattern Checker.................................................................................................................. 26
4.7 Horizontal Eye Measurement .................................................................................................... 30
4.7.1 Configuration for Horizontal Eye Measurement .................................................... 30
4.8 Temperature Sensors .................................................................................................................... 30
4.9 27MHz Reference Clock .............................................................................................................. 33
4.10 Device Power-Up ........................................................................................................................ 33
4.11 Device Reset .................................................................................................................................. 34
4.12 Host Interface ............................................................................................................................... 34
4.12.1 Parallel Host Interface Specifications ...................................................................... 34
4.12.2 Serial Host Interface Specifications .......................................................................... 39
5. Application Information .......................................................................................................................... 41
5.1 Power Supply Filtering and Recommendations .................................................................. 41
5.2 Estimated Worst-Case Load Current Steps ........................................................................... 42
5.2.1 VCC_25_A Supply............................................................................................................. 42
5.2.2 VCC_OUT1, VCC_OUT2 Supplies ................................................................................ 42
5.2.3 VCC_IN1, VCC_IN2 Supplies......................................................................................... 43
6. Package and Ordering Information...................................................................................................... 44
6.1 Package Dimensions ..................................................................................................................... 44
6.2 Package Thermal Data and Information ................................................................................ 45
6.3 Marking Diagram ........................................................................................................................... 45
6.4 Solder Reflow Profile .................................................................................................................... 46
6.5 Ordering Information ................................................................................................................... 46
Appendix - Relevant Documentation...................................................................................................... 46
GX3290 290 x 290 3.5Gb/s Crosspoint
Final Data Sheet Rev. 2
GENDOC-053317 March 2013
www.semtech.com
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