Datenblatt-Suchmaschine für elektronische Bauteile |
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GS2985 Datenblatt(PDF) 4 Page - Gennum Corporation |
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GS2985 Datenblatt(HTML) 4 Page - Gennum Corporation |
4 / 45 page GS2985 Multi-Rate SDI Reclocker with Equalization & De-emphasis Data Sheet 36663 - 5 July 2012 4 of 45 Proprietary & Confidential Contents Features.................................................................................................................................................................1 Applications.........................................................................................................................................................1 Description...........................................................................................................................................................1 Revision History .................................................................................................................................................2 1. Pin Out...............................................................................................................................................................5 1.1 Pin Assignment ..................................................................................................................................5 1.2 Pin Descriptions ................................................................................................................................6 2. Electrical Characteristics ............................................................................................................................9 2.1 Absolute Maximum Ratings ..........................................................................................................9 2.2 DC Electrical Characteristics ........................................................................................................9 2.3 AC Electrical Characteristics ..................................................................................................... 10 3. Input/Output Circuits ............................................................................................................................... 13 4. Detailed Description.................................................................................................................................. 18 4.1 Serial Data Input ............................................................................................................................ 18 4.2 Modes of Operation ...................................................................................................................... 18 4.3 Input Trace Equalization ............................................................................................................. 18 4.4 4:1 Input Mux .................................................................................................................................. 19 4.5 Crystal Buffer .................................................................................................................................. 20 4.6 LOS (Loss Of Signal) Detection .................................................................................................. 20 4.7 Serial Digital Reclocker ............................................................................................................... 21 4.8 Lock Detection ................................................................................................................................ 21 4.8.1 Lock Detect and Asynchronous Lock ......................................................................... 22 4.9 Serial Data Output ......................................................................................................................... 22 4.9.1 Output Signal Interface Levels...................................................................................... 22 4.9.2 Adjustable Output Swing................................................................................................ 22 4.9.3 Output De-emphasis ........................................................................................................22 4.10 Automatic and Manual Data Rate Selection ...................................................................... 23 4.11 SD/HD Indication ........................................................................................................................ 24 4.12 Bypass Mode ................................................................................................................................. 25 4.13 DVB-ASI ......................................................................................................................................... 25 4.14 Output Mute and Data/Clock Output Selection ............................................................... 25 4.15 Host Interface ............................................................................................................................... 26 4.15.1 Introduction ...................................................................................................................... 26 4.15.2 Legacy Mode & Start-up................................................................................................ 26 4.15.3 Host Interface Mode & Start-up.................................................................................. 26 4.15.4 Clock & Data Timing....................................................................................................... 27 4.15.5 Single Device Operation............................................................................................... 27 4.15.6 Write Operation - Single Device ................................................................................ 28 4.15.7 Read Operation - Single Device ................................................................................. 28 4.15.8 Daisy Chain Operation.................................................................................................. 31 4.15.9 Read & Write Operation - Daisy Chained Devices............................................... 32 4.15.10 Writing to all Devices ..................................................................................................32 |
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