Self re-seeding linear feedback shift register (LFSR) data proce

Details Self re-seeding linear feedback shift register (LFSR) data proce Self re-seeding linear feedback shift register (LFSR) data proce

1994-03-30

1995-01-17

Mai, Tan V.

Boots, shoes, and leggings

G06F 102

Patent

active

053831438

ABSTRACT:
A data processing system (10) has a test controller (12). The test controller (12) has a pattern generator (18) for receiving a seed value and generating many pseudo-random values from the seed value. A re-seed and compare circuit (22) monitors the pattern generator (12) and determined when the seed value repeats in the pseudo-random number sequence generated by the generator (18). Once circuit (22) determines that the seed value has repeated the control circuit (20) allows the generator (18) to clock once more and latches a new seed value into the circuit (22). Therefore, the pattern generator through the compare/store function of circuit (22) and the control of circuit (20) is self re-seeding and generates a longer string of pseudo-random numbers with minimal logic.

REFERENCES:
patent: 4791594 (1988-12-01), Harney et al.
patent: 5258936 (1993-11-01), Gallup et al.
patent: 5327365 (1994-07-01), Fujisaki et al.

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