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GS2986 数据表(PDF) 3 Page - Semtech Corporation |
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GS2986 数据表(HTML) 3 Page - Semtech Corporation |
3 / 41 page GS2986 Multi-Rate SDI Reclocker with Equalization & De-emphasis Data Sheet 52134 - 3 July 2012 3 of 41 Contents Features.................................................................................................................................................................1 Applications.........................................................................................................................................................1 Description...........................................................................................................................................................1 Revision History .................................................................................................................................................2 1. Pin Out...............................................................................................................................................................5 1.1 Pin Assignment ..................................................................................................................................5 1.2 Pin Descriptions ................................................................................................................................6 1.3 Default Start-up Settings ................................................................................................................8 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.................................................................................................................................. 17 4.1 Serial Data Input ............................................................................................................................ 17 4.2 Modes of Operation ...................................................................................................................... 17 4.3 Input Trace Equalization ............................................................................................................. 17 4.4 4:1 Input Mux .................................................................................................................................. 18 4.5 Crystal Buffer .................................................................................................................................. 19 4.6 LOS (Loss Of Signal) Detection .................................................................................................. 19 4.7 Serial Digital Reclocker ............................................................................................................... 20 4.8 Lock Detection ................................................................................................................................ 20 4.8.1 Lock Detect and Asynchronous Lock ......................................................................... 21 4.9 Serial Data Output ......................................................................................................................... 21 4.9.1 Output Signal Interface Levels...................................................................................... 21 4.9.2 Adjustable Output Swing................................................................................................ 21 4.9.3 Output De-emphasis ........................................................................................................21 4.10 Automatic and Manual Data Rate Selection ...................................................................... 22 4.11 SD/HD Indication ........................................................................................................................ 23 4.12 Bypass Mode ................................................................................................................................. 23 4.13 DVB-ASI ......................................................................................................................................... 24 4.14 Output Mute and Data/Clock Output Selection ............................................................... 24 4.15 Host Interface ............................................................................................................................... 24 4.15.1 Introduction ...................................................................................................................... 24 4.15.2 Legacy Mode & Start-up................................................................................................ 25 4.15.3 Host Interface Mode & Start-up.................................................................................. 25 4.15.4 Clock & Data Timing....................................................................................................... 25 4.15.5 Single Device Operation............................................................................................... 25 4.15.6 Write Operation - Single Device ................................................................................ 26 4.15.7 Read Operation - Single Device ................................................................................. 27 4.15.8 Daisy Chain Operation.................................................................................................. 29 4.15.9 Read & Write Operation - Daisy Chained Devices .............................................. 30 4.15.10 Writing to all Devices ..................................................................................................30 4.15.11 Writing to a Single Device in the Chain ................................................................ 31 |
类似零件编号 - GS2986 |
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类似说明 - GS2986 |
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