Sense amplifier and reading circuit with sense amplifier
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United States of America Patent
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Apr 7, 1998
Grant Date -
N/A
app pub date -
Apr 5, 1996
filing date -
Apr 6, 1995
priority date (Note) -
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Abstract
A state control portion causes a sense amplifier portion to be at an active state and for causing the sense amplifier to be at an inactive state. A feedback portion causes the control device to causing the sense amplifier portion to be in the inactive state when a path is formed between a power source and a ground in the sense amplifier. A latch portion holds an output of the sense amplifier output when the path is formed. The state control portion comprises a first transistor acting as a switching device. The feedback portion produces a control signal using an output of the sense amplifier portion and a clock signal obtained from a detection circuit, and supplies the control signal to the first transistor. A second transistor for precharging is connected between the first transistor and the power source.
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