Is a
Patent attributes
Patent Jurisdiction
Patent Number
Patent Inventor Names
Hideharu Koike0
Date of Patent
June 9, 2009
0Patent Application Number
118762990
Date Filed
October 22, 2007
0Patent Primary Examiner
Patent abstract
The asynchronous sense amplifier for a ROM includes a current-mirror circuit, a first negative feedback inverter, a second negative feedback inverter, a first transistor group, a second transistor group and a feedback transistor. The feedback transistor connects the junction of the first transistor group and the first set of the current-mirror circuit and/or the junction of the second transistor group and the second set of the current-mirror circuit to ground, where the feedback transistor is controlled by the output of the first negative feedback inverter and/or the second negative feedback inverter, and the feedback transistor is smaller than one transistor of the second transistor group.
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