Random address memory with fast clear

Details Random address memory with fast clear Random address memory with fast clear

1983-12-30

1986-05-06

Zache, Raulfe B.

Boots, shoes, and leggings

365218, G06F 1200

Patent

active

045876290

ABSTRACT:
A technique and apparatus for augmenting a random access memory with a fast clear or reset mechanism are described. A dynamic RAM having a fast clear mechanism in accordance with the present invention includes means for coupling a digital signal onto all bit lines; and fast reset control means operative for energizing the coupling means for connecting the digital signal to all of the bit lines such that upon energizing of a selected word line, all the bits connected to the selected word line are reset to the state of the digital signal, whereby reset time of the random access memory is reduced. The present invention is especially beneficial for incorporation in a frame buffer of an all points addressable raster scan display, and in a page buffer of an all points addressable printer wherein there is a requirement for high update performance.

REFERENCES:
patent: 4314353 (1982-02-01), Gunter et al.
patent: 4513374 (1985-04-01), Hooks, Jr.

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