Video memory device

Details Video memory device Video memory device

1989-09-14

1991-11-12

Popek, Joseph A.

Static information storage and retrieval

Addressing

Multiple port access

36523003, 36518912, G11C 700

Patent

active

050653695

ABSTRACT:
A video memory device includes a RAM and a plurality of SAMs. RAM is constructed of a plurality of memory cells disposed in a matrix. Data are transferred between a memory cell designated by an address and a RAM port. Each SAM is constructed as a multi-word length type and connected to each of a plurality of columns of RAM. Multi-bit data are transferred between each SAM and RAM, and are serially input/output via a plurality of SAM ports.

REFERENCES:
patent: 4789960 (1988-12-01), Willis
patent: 4891794 (1990-01-01), Hush et al.
patent: 4937788 (1990-06-01), Harada
patent: 4984214 (1991-01-01), Hiltebeitel et al.

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