Access control device and method for dynamic memory devices

Details Access control device and method for dynamic memory devices Access control device and method for dynamic memory devices

1986-06-25

1989-07-18

Hecker, Stuart N.

Static information storage and retrieval

Read/write circuit

365195, 365222, G11C 700

Patent

active

048499366

ABSTRACT:
In a dynamic memory device, the content thereof being periodically refreshed, for the purpose of giving a priority to an external access signal, a timer of a given timer time is started by the external access request signal after termination of an access operation. When a refresh request and a access request occurs in the timer time, acceptance of the refresh request is delayed and the priority is given to the access request signal.

REFERENCES:
patent: 4293926 (1981-10-01), Amano
patent: 4376988 (1983-03-01), Ludwig et al.
patent: 4575826 (1986-03-01), Dean
patent: 4636989 (1987-01-01), Ikuzaki

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