Graphics controller integrated circuit without memory interface

Details Graphics controller integrated circuit without memory interface Graphics controller integrated circuit without memory interface

1996-08-16

1997-07-22

Fears, Terrell W.

Static information storage and retrieval

Format or disposition of elements

365 52, 365 63, 36518901, G11C 1300

Patent

active

056509553

ABSTRACT:
A CMOS integrated circuit that comprises a graphics controller system that consists of a graphics engine and video memory together with some interface blocks, a PCMCIA host adapter, an infrared interface for generating video images on a LCD or CRT display unit, and a video stream interface for receiving video signals. Since the video memory is integrated on the same integrated circuit as the graphics controller, no package pins are required for the memory interface. The pins thus saved are used to provide access to an on-chip PCMCIA host adapter. The internal memory interface is 128 bits wide. Simultaneous performance improvement and power dissipation reduction is achieved because of the wide memory interface and the elimination of the large parasitic capacitances associated with a package pin connection.

REFERENCES:
patent: 4303986 (1981-12-01), Lans
patent: 4656605 (1987-04-01), Clayton
patent: 5353402 (1994-10-01), Lau
patent: 5473573 (1995-12-01), Rao

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