Current reference circuit for current-mode read-only-memory
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United States of America Patent
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-
Jul 27, 1999
Grant Date -
N/A
app pub date -
Jul 11, 1997
filing date -
Jul 11, 1997
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A current reference circuit for use in a memory sense amplifier is described, which generates a mid-point current reference that is insensitive to fabrication process variations. This circuit is also robust enough to handle distinctly different levels of '0' and '1' sense currents without causing clipping of the mid-point reference current. Adequate sensing levels for the bit line sense amplifier are thus ensured.
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