High-density read-only memory employing multiple bit-line interc

Details High-density read-only memory employing multiple bit-line interc High-density read-only memory employing multiple bit-line interc

1995-03-21

1996-06-18

Nelms, David C.

Static information storage and retrieval

Read only systems

Semiconductive

365 94, 36523006, 326105, G11C 1700

Patent

active

055285341

ABSTRACT:
A system and method for the storage of digital information wherein data that would normally be represented by multiple bits of information is effectively stored at single memory site within a ROM. This is accomplished by employing a multiple bit-line memory architecture, in conjunction with a data decoder. With this arrangement it is possible to store, at a single memory site, information that would have required up to log.sub.2 (n(n-1)/2)+1) individual memory sites in a conventional ROM (where n is the number independent of bit-lines connected to an individual memory element in the invention). The invention is particularly well-suited to what would be considered relatively low-speed data retrieval systems, such as those adapted to provide audio and/or video to a user on a real time basis.

REFERENCES:
patent: 4599704 (1986-07-01), Mazin
patent: 5303194 (1994-04-01), Suzuki
patent: 5373480 (1994-12-01), Kudo
patent: 5394355 (1995-02-01), Uramoto et al.

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