Dynamic MOS random access memory

Details Dynamic MOS random access memory Dynamic MOS random access memory

1985-09-03

1987-01-13

Popek, Joseph A.

Static information storage and retrieval

Read/write circuit

Data refresh

365203, G11C 700

Patent

active

046369899

ABSTRACT:
A dynamic random access memory, which is accessed in response to an address strobe signal, has an automatic refresh circuit which consists of a clock generator that generates refresh clock pulses when the address strobe signal is not produced, and an address counter that increments a refresh address by counting the refresh clock pulses. Information retained in memory cells is automatically refreshed by an operation of the automatic refresh circuit. The dynamic random access memory of this arrangement does not need a special external terminal for the refresh operation and an external circuit associated therewith. Thus, the random access memory of this arrangement constructs, in effect, a pseudo static random access memory.

REFERENCES:
patent: 4005395 (1977-01-01), Fosler, Jr. et al.
patent: 4084154 (1978-04-01), Panigrahi
patent: 4238842 (1980-12-01), Aichelmann, Jr.
patent: 4549284 (1985-10-01), Ikuzaki

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