Safety device for the programming of an electrically programmabl

Details Safety device for the programming of an electrically programmabl Safety device for the programming of an electrically programmabl

1987-09-29

1989-05-02

Fears, Terrell W.

Static information storage and retrieval

Read/write circuit

365228, 365242, 371 10, G11C 700, G11C 800, G06F 1100

Patent

active

048274518

ABSTRACT:
In a memory consisting of a matrix of memory cells, each of which is accessible by rows and columns and is connected to write and read circuits which are used, respectively, to programme them in two states, "1" or "0", depending on the input data, and to read the programmed state, the memory cells being of the type that require a programming current in order to be programmed in a first state or "1" and require no current to be programmed in a second state or "0", the safety device consists of a simulation circuit activated by data corresponding to a "0" programming operation and delivering a current identical to that of a memory cell in the "1" programming condition.

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IBM Technical Disclosure Bulletin, vol. 25, No. 11A, Apr. 1983, pp. 5827-5828, NY, U.S., R. D. Burke, "Write Driver for a Random Access Memory".
Patent Abstracts of Japan, vol. 8, No. 60 (P-262) 1497), Mar. 22 1984, JP-A-58 208 991 (Nippon Kenki K.K.) 05-12-1983.
Electronique et Microelectronique Insutrielles, No. 215, Feb. 15, 1976, pp. 19-24, Paris, France, H. Lilen.

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