Non-volatile semiconductor memory device with instruction issue

Details Non-volatile semiconductor memory device with instruction issue Non-volatile semiconductor memory device with instruction issue

1995-01-12

1997-08-12

Harvey, Jack B.

Static information storage and retrieval

Magnetic bubbles

Guide structure

395495, 36518904, G11C 1140, G06F 1314

Patent

active

056574673

ABSTRACT:
A non-volatile semiconductor memory device includes a memory cell array including a plurality of memory cells, an address latch circuit supplied with address for latching the same, a data latch circuit supplied with data for latching the same, a sense amplifier for amplifying data read out from the memory cell array, a write control circuit for controlling write operation, a register for holding a predetermined data, and a selection circuit supplied with a busy signal from the write control circuit indicating that the semiconductor memory device is operating in a writing mode for writing data into the memory cell array, for selecting one of an output signal of the sense amplifier and an output signal of the register in response to the busy signal.

REFERENCES:
patent: 4752871 (1988-06-01), Sparks et al.
patent: 4970692 (1990-11-01), Ali et al.
patent: 5034922 (1991-07-01), Burgess
patent: 5224070 (1993-06-01), Fandrich et al.
patent: 5287469 (1994-02-01), Tsuboi

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