Method and apparatus for charging large capacitances

Details Method and apparatus for charging large capacitances Method and apparatus for charging large capacitances

2006-07-26

2008-05-27

Dinh, Son (Department: 2824)

Static information storage and retrieval

Read/write circuit

Differential sensing

C365S189070

Reexamination Certificate

active

07379365

ABSTRACT:
A method and apparatus for charging large capacitances of a circuit, such as an integrated circuit, without imparting noise on an operating voltage. A comparator compares a reference voltage to a voltage representing the voltage on the capacitance and a multiplexer routes one of an external voltage or an operating voltage derived from said external voltage to charge the capacitance depending on the output of the comparator.

REFERENCES:
patent: 6424585 (2002-07-01), Ooishi

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