Initialization for fuse control

Details Initialization for fuse control Initialization for fuse control

1998-10-30

2000-03-21

Hoang, Huan

Static information storage and retrieval

Read/write circuit

Bad bit

3652257, 36523006, G11C 700

Patent

active

060410000

ABSTRACT:
A circuit and method are provided for generating an initializing signal to a master enable fuse circuit on a redundant line decoder. An initialization pulse may be applied to a master enable circuit having a master enable fuse. The master enable fuse may be coupled to a switched voltage supply powered selectively by battery voltage and external Vcc. A circuit for generating the INITIAL signal determines the transition from a power down state to a powered state. A series of delay elements in a generating circuit generates a predetermined initialization pulse of around 3 ns to 5 ns. Half-latch circuits may be initialized between a first and second voltage threshold. Accordingly, the master enable circuits may be set to the proper initialization states for proper operation and minimum power consumption.

REFERENCES:
patent: 5568061 (1996-10-01), McClure
patent: 5825698 (1998-10-01), Kim et al.
patent: 5907514 (1999-05-01), Lee et al.

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