Semiconductor memory capable of writing and reading data

Details Semiconductor memory capable of writing and reading data Semiconductor memory capable of writing and reading data

1998-09-24

1999-11-09

Phan, Trong

Static information storage and retrieval

Floating gate

Particular connection

36518522, G11C 1604

Patent

active

059826649

ABSTRACT:
A nonvolatile semiconductor memory serving as a semiconductor memory which is capable of erasing data in a batch comprises four banks constituting a storage circuit, a bank control circuit for instructing access to respective banks (writing, reading, etc.), and a status signal output circuit connected to the bank control circuit. The status signal output circuit outputs status signals for instructing access status of respective banks. The status signals are outputted to an external device through a data bus. With such a construction, the access status of respective banks can be easily grasped, so that the data access to the semiconductor memory can be enhanced with efficiency, thereby realizing high speed data processing.

REFERENCES:
patent: 5297148 (1994-03-01), Harari et al.
patent: 5353256 (1994-10-01), Fandrich et al.
patent: 5509018 (1996-04-01), Niijima et al.
patent: 5530828 (1996-06-01), Kaki et al.
patent: 5650962 (1997-07-01), Arase

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