Variable pulse width memory programming
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United States of America Patent
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Jan 29, 2002
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N/A
app pub date -
Feb 25, 2000
filing date -
Feb 25, 2000
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Abstract
Memory cell programming time can be reduced by using a longer initial pulse followed by regular length pulses as needed. Since memory cell programming pulses have raise and fall times, when the voltage applied is less than the programming voltage, and each programming pulse requires a program verify, which increases the programming overhead, replacing the first few regular pulses with a single longer pulse reduces the programming overhead.
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