Sequential access memories

Details Sequential access memories Sequential access memories

1998-06-30

1999-11-02

Mai, Son

Static information storage and retrieval

Read/write circuit

Serial read/write

365 78, 365240, G11C 1900

Patent

active

059782951

ABSTRACT:
A sequential access memory comprises N register elements each storing an information bit. These N register elements are divided into P groups each comprising L elements. In a first phase of operation whose duration corresponds to P-1 consecutive periods of the clock signal, only the last elements of each group are activated and are furthermore series-connected. In a second phase of operation whose duration corresponds to a single period of the clock signal, all the elements are activated simultaneously, the groups of elements being furthermore series-connected. The advantage is that it enables a reduction in the dynamic consumption of the memory.

REFERENCES:
patent: 4935902 (1990-06-01), Tatsuki
patent: 4969126 (1990-11-01), Maeno
patent: 5025419 (1991-06-01), Nishino
patent: 5291457 (1994-03-01), Asato et al.
patent: 5295174 (1994-03-01), Shimizu

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