Digital signal scrambler

Details Digital signal scrambler Digital signal scrambler

1987-04-29

1988-11-01

Atkinson, Charles E.

Excavating

G01R 3128

Patent

active

047824883

ABSTRACT:
A digital signal scrambler for use in testing semiconductor memory circuits such as RAMs. The scrambler is comprised of look-up tables in conjunction with EXCLUSIVE OR logic circuitry, for receiving generated address and data signals and transmitting scrambled signals in response thereto, conforming to the predefined topological scrambling function of the memory circuit being tested. The digital signal scrambler of the present invention is of simple and inexpensive design, is easy to use and typically occupies very little circuit board area.

REFERENCES:
patent: 4287594 (1981-09-01), Shirasaka
patent: 4300234 (1981-11-01), Maruyama et al.
patent: 4442519 (1984-04-01), Jones et al.
patent: 4598245 (1986-07-01), Groves et al.
patent: 4670879 (1987-06-01), Okino
patent: 4682330 (1987-07-01), Millham
patent: 4730319 (1988-03-01), David et al.

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