High-speed synchronous mask ROM with pipeline structure

Static information storage and retrieval – Read only systems – Semiconductive

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365233, G11C 1700

Patent

active

057936650

ABSTRACT:
The present invention discloses a mask ROM having a pipeline structure using simple latch circuits. Accordingly, the mask ROM according to the present invention improves its speed and guarantees the security of the output data, by proving a clock generator and a plurality of latch circuit for storing the outputs from each of the element therein, being synchronized with the internal clock signal from the clock generating means.

REFERENCES:
patent: 4644501 (1987-02-01), Nagasawa
patent: 5132554 (1992-07-01), Hiramatsu et al.
patent: 5287472 (1994-02-01), Horst
patent: 5386391 (1995-01-01), Watanabe
patent: 5392423 (1995-02-01), Yetter

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