Rom-embedded-DRAM

Details Rom-embedded-DRAM Rom-embedded-DRAM

1998-07-31

2000-10-17

Le, Vu A.

Static information storage and retrieval

Systems using particular element

Capacitors

365102, 365 94, G11C 1124

Patent

active

061341371

ABSTRACT:
A ROM is embedded within an array of DRAM cells by changing a single mask in a DRAM fabrication process to selectively short circuit the DRAM capacitor lower electrode to its own wordline to create a read-only "1" or to the wordline of an adjacent cell to create a read only "0".

REFERENCES:
patent: 5148391 (1992-09-01), Zagar
patent: 5270241 (1993-12-01), Dennison
patent: 5418739 (1995-05-01), Takasugi
patent: 5995409 (1999-11-01), Holland

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