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GS9091B

Gennum
Part Number GS9091B
Manufacturer Gennum
Description 270Mb/s Deserializer
Published Sep 28, 2016
Detailed Description GS9091B GenLINX® II 270Mb/s Deserializer for SDI and DVB-ASI Key Features • SMPTE 259M-C compliant descrambling and NRZ...
Datasheet PDF File GS9091B PDF File

GS9091B
GS9091B

Overview
GS9091B GenLINX® II 270Mb/s Deserializer for SDI and DVB-ASI Key Features • SMPTE 259M-C compliant descrambling and NRZI to NRZ decoding (with bypass) • DVB-ASI 8b/10b decoding • Integrated Cable Equalizer • 500m typical equalization of Belden 1694A cable • Integrated line-based FIFO for data alignment/delay, clock phase interchange, DVB-ASI data packet extraction and clock rate interchange, and ancillary data packet extraction • Integrated VCO and reclocker • User selectable additional processing features including: Š TRS, ANC data checksum, and EDH CRC error detection and correction Š programmable ANC data detection Š illegal code remapping • Internal flywheel for noise immune H, V, F extraction • Automatic standards detection and indication • Enhanced Gennum Serial Peripheral Interface (GSPI) • JTAG test interface • Polarity insensitive for DVB-ASI and SMPTE signals • +1.
8V core power supply with optional +1.
8V or +3.
3V I/O power supply • Small footprint (11mm x 11mm) • Low power operation (typically 350mW) • Pb-free and RoHS compliant Applications • SMPTE 259M-C Serial Digital Interfaces • DVB-ASI Serial Digital Interfaces Description The GS9091B is a 270Mb/s equalizing and reclocking deserializer with an internal FIFO.
It provides a complete receive solution for SD-SDI and DVB-ASI applications.
In addition to equalizing, reclocking and deserializing the input data stream, the GS9091B performs NRZI -to-NRZ decoding, descrambling as per SMPTE 259M-C, and word alignment when operating in SMPTE mode.
When operating in DVB-ASI mode, the device will word align the data to K28.
5 sync characters and 8b/10b decode the received stream.
The integrated equalizer is optimized for 270Mb/s and can typically equalize up to 500m of Belden 1694A cable.
Both the equalizer and the internal reclocker are fully compatible with both SMPTE and DVB-ASI input streams.
The GS9091B includes a range of data processing functions such as EDH support (error detection and handling), and auto...


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