Low dissipation initialization circuit, particularly for memory

Details Low dissipation initialization circuit, particularly for memory Low dissipation initialization circuit, particularly for memory

1995-05-30

1997-06-10

Nelms, David C.

Static information storage and retrieval

Read/write circuit

Including reference or bias voltage generator

327143, G11C 700

Patent

active

056383304

ABSTRACT:
An initialization circuit for memory registers, having a signal input being applied a supply voltage which rises linearly from a null value, and an initializing output connected to an input of a memory register and on which a voltage signal, being equal or proportional to the supply voltage, during the initialization step, and a null voltage signal, upon the supply voltage dropping below a predetermined tripping value, are produced. Additionally, the circuit has, between the input and the output, a first circuit portion connected to the input; a second circuit portion connected after the first and having a first output connected to the initializing output; and a third, inverting circuit portion having an input connected to a second output of the second portion and an output connected to the first portion to hold off that first portion while the supply voltage drops below the threshold voltage.

REFERENCES:
patent: 4948995 (1990-08-01), Takahaashi
patent: 4985641 (1991-01-01), Nagayama et al.
patent: 4996453 (1991-02-01), Zanders
patent: 5148051 (1992-09-01), Deierling
patent: 5151614 (1992-09-01), Yamazaki et al.
patent: 5166545 (1992-11-01), Harrington
patent: 5349244 (1994-09-01), Confalonieri

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