High performance sense amplifier and method thereof for memory system
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United States of America Patent
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Feb 20, 2007
Grant Date -
N/A
app pub date -
Oct 17, 2005
filing date -
Sep 22, 2005
priority date (Note) -
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status (Latency Note)
Importance
Abstract
A system and method for sensing a current. The system includes an operational amplifier including a first input terminal, a second input terminal, and a first output terminal. The first input terminal is biased to a predetermined voltage, and the second input terminal and the first output terminal are directly connected. Additionally, the system includes a switch coupled to the first output terminal and a first node. The switch is controlled by at least a first control signal. Moreover, the system includes a comparator including a third input terminal, a fourth input terminal, and at least a second output terminal. The comparator is configured to receive a first input signal at the third input terminal and a second input signal at the fourth input terminal. The first input signal and the second input signal are associated with the first node and the predetermined voltage.
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