Asynchronous access type semiconductor memory device equipped wi

Details Asynchronous access type semiconductor memory device equipped wi Asynchronous access type semiconductor memory device equipped wi

1991-10-15

1994-05-24

LaRoche, Eugene R.

Static information storage and retrieval

Addressing

Sync/clocking

36523008, 36523001, G11C 700, G11C 1134

Patent

active

053155599

ABSTRACT:
An asynchronous access type semiconductor memory device allows a memory cell array to supply a new data bit to an output data buffer unit for producing an output data signal indicative of the new data bit, and a data latching unit decides whether or not the new data bit is transferred to the output data buffer unit in view of lapse of time from address change to an address location assigned to a memory cell storing the new data bit so that the output data buffer unit is prevented from unexpected data bit read out upon false address change.

REFERENCES:
patent: 4701889 (1987-10-01), Ando
patent: 4717835 (1988-01-01), Takeuchi
patent: 4849938 (1989-07-01), Fuowtani et al.
patent: 4922461 (1990-05-01), Hayakawa et al.
patent: 5047984 (1991-09-01), Monden

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