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GS2965 Fiches technique(PDF) 3 Page - Semtech Corporation |
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GS2965 Fiches technique(HTML) 3 Page - Semtech Corporation |
3 / 41 page GS2965 Multi-Rate SDI Reclocker with Equalization & De-emphasis Data Sheet 52462 - 4 July 2012 3 of 41 Proprietary & Confidential Contents 1. Pin Out ............................................................................................................................................4 1.1 Pin Assignment ................................................................................................................4 1.2 Pin Descriptions ...............................................................................................................5 1.3 Default Start-up Settings ...............................................................................................7 2. Electrical Characteristics ..........................................................................................................8 2.1 Absolute Maximum Ratings .........................................................................................8 2.2 DC Electrical Characteristics .......................................................................................8 2.3 AC Electrical Characteristics .......................................................................................9 3. Input/Output Circuits ............................................................................................................. 12 4. Detailed Description................................................................................................................ 15 4.1 Serial Data Input ........................................................................................................... 15 4.2 Modes of Operation ..................................................................................................... 15 4.3 Input Trace Equalization ............................................................................................ 15 4.4 2:1 Input Mux ................................................................................................................ 16 4.5 Crystal Buffer ................................................................................................................. 17 4.6 LOS (Loss Of Signal) Detection ................................................................................. 17 4.7 Serial Digital Reclocker .............................................................................................. 18 4.8 Lock Detection ............................................................................................................... 18 4.8.1 Lock Detect and Asynchronous Lock ......................................................... 19 4.9 Serial Data Output ........................................................................................................ 19 4.9.1 Output Signal Interface Levels...................................................................... 19 4.9.2 Adjustable Output Swing................................................................................ 19 4.9.3 Output De-emphasis ........................................................................................ 20 4.10 Automatic and Manual Data Rate Selection ..................................................... 21 4.11 SD/HD Indication ....................................................................................................... 21 4.12 Bypass Mode ................................................................................................................ 22 4.13 DVB-ASI ........................................................................................................................ 22 4.14 Output Mute and Data/Clock Output Selection .............................................. 22 4.15 Host Interface .............................................................................................................. 23 4.15.1 Introduction...................................................................................................... 23 4.15.2 Legacy Mode & Start-up ............................................................................... 23 4.15.3 Host Interface Mode & Start-up.................................................................. 23 4.15.4 Clock & Data Timing ...................................................................................... 24 4.15.5 Single Device Operation............................................................................... 24 4.15.6 Write Operation - Single Device................................................................ 25 4.15.7 Read Operation - Single Device ................................................................. 26 4.15.8 Daisy Chain Operation.................................................................................. 27 4.15.9 Read & Write Operation - Daisy Chained Devices .............................. 29 4.15.10 Writing to all Devices.................................................................................. 29 4.15.11 Writing to a Single Device in the Chain ................................................ 30 |
Numéro de pièce similaire - GS2965 |
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Description similaire - GS2965 |
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