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US5760655A
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Stable frequency oscillator having two capacitors that are alternately charged and discharged
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US5790459A
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Memory circuit for performing threshold voltage tests on cells of a memory array
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US5835406A
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Apparatus and method for selecting data bits read from a multistate memory
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US5764568A
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Method for performing analog over-program and under-program detection for a multistate memory cell
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US5790453A
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Apparatus and method for reading state of multistate non-volatile memory cells
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US5768287A
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Apparatus and method for programming multistate memory device
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US5771346A
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Apparatus and method for detecting over-programming condition in multistate memory device
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US5754567A
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Write reduction in flash memory systems through ECC usage
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US5729169A
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Controllable one-shot circuit and method for controlling operation of memory circuit using same
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US5682345A
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Non-volatile data storage unit method of controlling same
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US5715193A
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Flash memory system and method for monitoring the disturb effect on memory cell blocks due to high voltage conditions of other memory cell blocks
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US5694366A
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OP amp circuit with variable resistance and memory system including same
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US5661690A
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Circuit and method for performing tests on memory array cells using external sense amplifier reference current
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US5781477A
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Flash memory system having fast erase operation
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US5646429A
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Segmented non-volatile memory array having multiple sources
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US5687117A
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Segmented non-volatile memory array with multiple sources having improved source line decode circuitry
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US5673224A
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Segmented non-volatile memory array with multiple sources with improved word line control circuitry
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US5793775A
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Low voltage test mode operation enable scheme with hardware safeguard
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US5675540A
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Non-volatile memory system having internal data verification test mode
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US5636166A
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Apparatus for externally timing high voltage cycles of non-volatile memory system
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