Hybrid memory device

Details Hybrid memory device Hybrid memory device

1999-08-19

2000-10-03

Elms, Richard

Static information storage and retrieval

Systems using particular element

Flip-flop

365154, 365205, G11C 1100

Patent

active

061282189

ABSTRACT:
A hybrid memory device according to the present invention has a RAM cell and a ROM cell that separately operate, and is capable of loading data in the ROM cell to the RAM cell. In such a hybrid memory device, to transfer the data in the ROM cell to common bit lines, transistors are respectively provided between the bit lines and the ROM cell. Accordingly, even when loading the data in the ROM cell to the RAM cell, the RAM and ROM cells can be separately operated.

REFERENCES:
patent: 5311464 (1994-05-01), Tasake et al.
patent: 5406510 (1995-04-01), Mihara et al.
patent: 5581505 (1996-12-01), Lee
patent: 5757690 (1998-05-01), McMahon
patent: 5867443 (1999-02-01), Linderman
patent: 5880999 (1999-03-01), Ansel et al.

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