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GS2960 データシート(PDF) 4 Page - Semtech Corporation |
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GS2960 データシート(HTML) 4 Page - Semtech Corporation |
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4 / 97 page  GS2960 3Gb/s, HD, SD SDI Receiver Complete with SMPTE Video Processing Data Sheet 48003 - 6 September 2012 4 of 97 Contents Key Features........................................................................................................................................................1 Errata......................................................................................................................................................................1 Applications.........................................................................................................................................................1 Description...........................................................................................................................................................1 Functional Block Diagram ..............................................................................................................................2 Revision History .................................................................................................................................................3 1. Pin Out...............................................................................................................................................................8 1.1 Pin Assignment ..................................................................................................................................8 1.2 Pin Descriptions ................................................................................................................................8 2. Electrical Characteristics ......................................................................................................................... 15 2.1 Absolute Maximum Ratings ....................................................................................................... 15 2.2 Recommended Operating Conditions .................................................................................... 15 2.3 DC Electrical Characteristics ..................................................................................................... 16 2.4 AC Electrical Characteristics ..................................................................................................... 18 3. Input/Output Circuits ............................................................................................................................... 23 4. Detailed Description.................................................................................................................................. 26 4.1 Functional Overview .................................................................................................................... 26 4.2 SMPTE 425M Mapping - 3G Level A and Level B Formats ............................................... 26 4.2.1 Level A Mapping................................................................................................................ 26 4.2.2 Level B Mapping ................................................................................................................ 27 4.3 Serial Digital Input ........................................................................................................................ 27 4.4 Serial Digital Loop-Through Output ........................................................................................ 27 4.5 Serial Digital Reclocker ............................................................................................................... 28 4.5.1 PLL Loop Bandwidth ........................................................................................................28 4.6 External Crystal/Reference Clock ...........................................................................................29 4.7 Lock Detect ...................................................................................................................................... 30 4.7.1 Asynchronous Lock .......................................................................................................... 31 4.7.2 Signal Interruption............................................................................................................ 31 4.8 SMPTE Functionality .................................................................................................................... 32 4.8.1 Descrambling and Word Alignment ........................................................................... 32 4.9 Parallel Data Outputs ................................................................................................................... 33 4.9.1 Parallel Data Bus Buffers.................................................................................................33 4.9.2 Parallel Output in SMPTE Mode ................................................................................... 36 4.9.3 Output Data Format in DVB-ASI Mode...................................................................... 36 4.9.4 Parallel Output in Data-Through Mode ..................................................................... 37 4.9.5 Parallel Output Clock (PCLK)......................................................................................... 37 4.9.6 DDR Parallel Clock Timing ............................................................................................. 38 4.10 Timing Signal Generator ........................................................................................................... 39 4.10.1 Manual Switch Line Lock Handling.......................................................................... 40 4.10.2 Automatic Switch Line Lock Handling .................................................................... 41 4.10.3 Switch Line Lock Handling During Level B to Level A Conversion ............... 42 4.11 Programmable Multi-function Outputs ............................................................................... 44 4.12 H:V:F Timing Signal Generation ............................................................................................45 4.12.1 CEA-861 Timing Generation ....................................................................................... 47 |
同様の部品番号 - GS2960 |
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同様の説明 - GS2960 |
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