Register file read/write cell

Details Register file read/write cell Register file read/write cell

1995-09-27

1997-06-24

Nelms, David C.

Static information storage and retrieval

Addressing

Multiple port access

365154, G11C 700

Patent

active

056423250

ABSTRACT:
A cell in a multiport memory is connected to a respective bit line via respective switches. A write enable element is located between the switches and an input of the cell's storage device. A read enable element is located between an output of the storage device and the same switches. Thus, read bit lines and write bit lines are merged and the number of switches per cell is drastically reduced with respect to prior art multiport memories.

REFERENCES:
patent: 4380055 (1983-04-01), Larson
patent: 5023844 (1991-06-01), Arnold et al.
patent: 5065363 (1991-11-01), Sato et al.
patent: 5189640 (1993-02-01), Huard
patent: 5307322 (1994-04-01), Usami et al.
patent: 5355335 (1994-10-01), Katsuno et al.

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