Latching sense amplifier
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United States of America Patent
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May 16, 1989
Grant Date -
N/A
app pub date -
Apr 11, 1988
filing date -
Apr 11, 1988
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A sense amplifier for fast and reliable sensing of a small voltage differential is accomplished by the integration of a latch which uses regenerative feedback. Complementary devices are used within the sense amplifier to modify its configuration from an amplifier to a latch. The integration of the latch for gain allows the use of a single-ended sense amplifier section, as opposed to requiring a double-ended design for level shifting and symmetrical sensing of `0` and `1`. The output is a pair of full-rail complementary signals that can be directly used by standard CMOS logic downstream.
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