INTEGRATED CIRCUIT DEVICE INTERFACE WITH PARALLEL SCRAMBLER AND DESCRAMBLER
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United States of America Patent
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Issued Date -
Jun 5, 2008
app pub date -
Nov 5, 2007
filing date -
Nov 3, 2006
priority date (Note) -
Abandoned
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Abstract
An interface for an integrated circuit (IC) device. The interface includes a scrambler to combine a plurality of plaintext data streams and a pseudorandom key sequence. The scrambler includes a pseudorandom number (PRN) source and a combiner. The PRN source provides a pseudorandom number. The pseudorandom key sequence is based on the pseudorandom number. The combiner receives the plurality of plaintext data streams in parallel and output a corresponding plurality of ciphertext data streams in parallel to another IC device interface. The interface also may include a descrambler to separate a pseudorandom key sequence out of a plurality of parallel ciphertext data streams. By scrambling plaintext data streams and descrambling ciphertext data streams in parallel, the data transmission rate on the IC device may be slower than a data transmission rate used to transfer data between IC devices.
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