Multi-plane video RAM

Details Multi-plane video RAM Multi-plane video RAM

1988-02-18

1990-06-12

Harkcom, Gary V.

Boots, shoes, and leggings

340703, 340799, 364521, G06F 1562

Patent

active

049338790

ABSTRACT:
A multi-plane video RAM for displaying a color image on a display apparatus. A multi-plane bit operation unit is used for calculating input data from an external stage based on a predetermined rule corresponding to an information applied from the external stage. Memory arrays are operatively connected to the multi-plane bit operation unit for writing resultant data calculated by the multi-plane bit operation unit. Each array having three-dimensionally arranged k sets of memory planes each consisting of m (rows).times.n (columns); wherein the same corresponding positions of the k sets of memory planes are simultaneously accessed and the resultant data calculated by the multi-plane bit operation unit are also simultaneously written thereto.

REFERENCES:
patent: 4628467 (1986-12-01), Nishi et al.
patent: 4823119 (1989-04-01), Ishii
patent: 4823281 (1989-04-01), Evangelisti et al.

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