Non-volatile memory programming at arbitrary timing based on cur

Details Non-volatile memory programming at arbitrary timing based on cur Non-volatile memory programming at arbitrary timing based on cur

1994-03-01

1995-06-06

Popek, Joseph A.

Static information storage and retrieval

Addressing

Plural blocks or banks

36518905, 365218, G11C 800

Patent

active

054228565

ABSTRACT:
To effect erase and program operations, i.e., rewrite of the non-volatile memory device efficiently with small electric power consumption and at high speed, a plurality of memory blocks that have a plurality of sectors and that each include a plurality of non-volatile memory cells are connected to buffer memories having at least the same memory capacity as a sector, and a read/write circuit generates internal addresses and timing for selecting sectors according to the external address and timing signals to control the read-out and rewrite of data between the sectors corresponding to the internal addresses and the buffer memories corresponding to the sectors, wherein the read/write circuit selects the sectors at timings shifted from one another and erases or programs the data in the selected sector in order to rewrite the data.

REFERENCES:
patent: 4899310 (1990-02-01), Baba
patent: 4984212 (1991-01-01), Fukuda

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