Implementing eFuse resistance determination before...

Details Implementing eFuse resistance determination before... Implementing eFuse resistance determination before...

2011-03-29

2011-03-29

Tra, Quan (Department: 2816)

Miscellaneous active electrical nonlinear devices, circuits, and

Specific identifiable device, circuit, or system

Fusible link or intentional destruct circuit

Reexamination Certificate

active

07915949

ABSTRACT:
A method and an eFuse programming circuit for implementing resistance determination of an eFuse before initiating eFuse blow, and a design structure on which the subject circuit resides are provided. An eFuse on a chip is used to set current flow through a known resistor and measure the eFuse resistance. An applied voltage to program selected eFuses on the chip is selected responsive to an identified eFuse voltage value.

REFERENCES:
patent: 6633196 (2003-10-01), Sher
patent: 7218168 (2007-05-01), Rahman
patent: 7352242 (2008-04-01), Hughes
patent: 2005/0151578 (2005-07-01), Huang et al.
patent: 2006/0039209 (2006-02-01), Kawasaki et al.
patent: 2010/0014373 (2010-01-01), Anand et al.

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