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CY7C9235A - SMPTE-259M/DVB-ASI Scrambler/Controller

General Description

SMPTE-259M Operation

The CY7C9235A is a CMOS integrated circuit designed to encode SMPTE-125M bit-parallel digital characters (or other data formats) using the SMPTE-259M encoding rules.

Key Features

  • Fully compatible with SMPTE-259M.
  • Fully compatible with DVB-ASI.
  • Operates from a single +5V supply.
  • 44-pin PLCC package.
  • Encodes both 8- and 10-bit parallel digital streams for 27M characters/sec (270 Mbits/sec serial).
  • Operates with CY7B9234 SMPTE HOTLink serializer/transmitter This device performs both TRS (sync) detection and filtering, data scrambling with the SMPTE-259M ×9 + ×4 + 1 algorithm, and NRZ-to-NRZI encoding. These functions o.

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Other Datasheets by Cypress (now Infineon)

Part Number Description
CY7C9235 SMPTE-259M/DVB-ASI Scrambler/Controller
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CY7C9538 OC-48/STM-16 Framer
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CY7C954DX Atm Hotlink Transceiver
CY7C955 AX ATM-SONET/SDH Transceiver

Full PDF Text Transcription (Reference)

The following content is an automatically extracted verbatim text from the original manufacturer datasheet and is provided for reference purposes only.

View original datasheet text
CY7C9235A SMPTE-259M/DVB-ASI Scrambler/Controller Features • Fully compatible with SMPTE-259M • Fully compatible with DVB-ASI • Operates from a single +5V supply • 44-pin PLCC package • Encodes both 8- and 10-bit parallel digital streams for 27M characters/sec (270 Mbits/sec serial) • Operates with CY7B9234 SMPTE HOTLink serializer/transmitter This device performs both TRS (sync) detection and filtering, data scrambling with the SMPTE-259M ×9 + ×4 + 1 algorithm, and NRZ-to-NRZI encoding. These functions operate at a 27 MHz character rate. For those systems operating with non-SMPTE-259M compliant video streams (or for diagnostic purposes), the scrambler and NRZI encoding functions can be disabled.