Multiple-time programmable resistance circuit

Details Multiple-time programmable resistance circuit Multiple-time programmable resistance circuit

2007-03-27

2007-03-27

Lam, Tuan T. (Department: 2816)

Miscellaneous active electrical nonlinear devices, circuits, and

Specific identifiable device, circuit, or system

Fusible link or intentional destruct circuit

C327S526000, C365S096000, C323S297000, C323S298000, C323S352000, C323S354000

Reexamination Certificate

active

10993734

ABSTRACT:
Fuse circuit designs and the use thereof are disclosed. In one example, a fuse circuit providing predictable total resistances for multiple rounds of programming comprises a predetermined number of fuse stages coupled in series. Each stage comprises a first and a second connecting nodes, a fuse connected between the first and second connecting nodes, a first resistor with its first end connected to the first connecting node, and a second resistor with its first end connected to the second connecting node, wherein the first and second resistors connect to a third and a fourth connecting nodes, which are the first and second connecting nodes of a next fuse stage respectively, through their second ends.

REFERENCES:
patent: 5913138 (1999-06-01), Yamaoka et al.
patent: 6232823 (2001-05-01), Tsuchida
patent: 6686791 (2004-02-01), Zheng et al.
patent: 7072463 (2006-07-01), Byrd et al.

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