Counting circuit for controlling an off-chip driver and...

Details Counting circuit for controlling an off-chip driver and... Counting circuit for controlling an off-chip driver and...

2007-11-27

2007-11-27

Lam, Tuan T (Department: 2816)

Electrical pulse counters, pulse dividers, or shift registers: c

Counting or dividing in incremental steps

C327S108000, C327S525000, C365S233100, C365S189050

Reexamination Certificate

active

11160271

ABSTRACT:
Provided is a counting circuit for controlling an off-chip driver and method of changing a DC output current value of the off-chip driver using the same in accordance with variations of processing characteristics with PMOS and NMOS in the state of wafer level. The counting circuit for controlling the off-chip driver includes: pluralities of latch circuits counting to generate pluralities of off-chip driving control signals; pluralities of fuse blocks generating set and reset input signals to vary initial values of the off-chip driving control signals; and pluralities of initial value modifying circuit varying the initial value of the off-chip driving control signals in response to the set and reset input signals.

REFERENCES:
patent: 6141245 (2000-10-01), Bertin et al.
patent: 6845060 (2005-01-01), Lee
patent: 6917238 (2005-07-01), Abe
patent: 2001-210092 (2001-08-01), None
patent: 2002-150788 (2002-05-01), None
patent: 10-2002-0058525 (2002-07-01), None
patent: 10-2003-0087314 (2003-11-01), None

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