Semiconductor device and method for controlling...

Details Semiconductor device and method for controlling... Semiconductor device and method for controlling...

2005-03-01

2005-03-01

Nguyen, Tan T. (Department: 2818)

Static information storage and retrieval

Read/write circuit

Having fuse element

C327S525000

Reexamination Certificate

active

06862241

ABSTRACT:
A semiconductor device operated in modes that may be re-set. The semiconductor device includes mode setting fuse circuits, each having a plurality of fuses. Each mode setting fuse circuit stores a code for setting the mode in accordance with the breakage pattern of the fuses. A fuse information selection circuit is provided with the codes from the mode setting fuse circuits. The fuse information selection circuit provides a code selection circuit with the code having the highest priority. The code selection circuit provides a decoding circuit with the high priority code. When a determination circuit receives an invalidating signal from an invalidation fuse circuit, the code selection circuit provides the decoding circuit with a code of a program circuit.

REFERENCES:
patent: 5929691 (1999-07-01), Kim et al.
patent: 6667916 (2003-12-01), Kyung

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