Control of data access to memory for improved video system

Details Control of data access to memory for improved video system Control of data access to memory for improved video system

1983-12-30

1987-08-18

Moffitt, James W.

Static information storage and retrieval

Addressing

365240, G11C 800

Patent

active

046881972

ABSTRACT:
In a video computer system having a RAM chip with a shift register connected to its serial output terminal and actuated by a first clock circuit, a second different clock circuit is included to cause the data bit in the first stage of the register to also appear at the serial output terminal of the chip. Accordingly, signals from the first clock circuit will then sequentially transfer data bits from the shift register, to the output terminal of the RAM chip, without omitting or losing a clock cycle, or a portion thereof.

REFERENCES:
patent: 4412313 (1983-10-01), Ackland
patent: 4429375 (1984-01-01), Kobayashi et al.
patent: 4498155 (1985-02-01), Rao
patent: 4541075 (1985-09-01), Dill et al.
patent: 4562435 (1985-12-01), McDonough et al.

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