Random access memory with memory status for improved access and

Details Random access memory with memory status for improved access and Random access memory with memory status for improved access and

1976-11-15

1978-08-29

Konick, Bernard

Static information storage and retrieval

Addressing

Sync/clocking

365211, G11C 704

Patent

active

041108426

ABSTRACT:
A static random access memory which generates a memory status signal for improved performance. The same signal in a random access memory which enables data to go to the output is taken to form the leading edge of a memory status signal, indicating that output data is available. The trailing edge of the pulse, indicating a memory readiness condition, is formed upon completion of memory preset. The memory status signal tracks variations in performance of the data storage cells due to voltage, temperature and other processing variables, thus permitting access of data when data is actually available for reading, rather than on worst case considerations.

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patent: 3778784 (1973-12-01), Karp et al.
patent: 3796998 (1974-03-01), Appelt
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patent: 3946368 (1976-03-01), Chou
Schlageter et al., "Two 4K Static 5-V Ram's", IEEE Journal of Solid-State Circuits, vol. sc-11, No. 5, Oct. 1976, pp. 602-609.

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