Method for improving programming speed in memory devices

Static information storage and retrieval – Floating gate – Particular connection

Reexamination Certificate

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C365S185180, C365S185110

Reexamination Certificate

active

07466588

ABSTRACT:
A high voltage up to 20V is usually applied to a NAND flash memory device for programming or easing a memory section. The programming/easing voltage must reach that high voltage state when the R/B signal is in the L state to start the actual cell programming or erasing. To improve the programming or erasing efficiency, the applied voltage also reaches the high voltage state before the R/B signal is set from H to L. The memory device may have one connecting pad to receive a normal operating voltage and another connection pad to receive the programming and erasing voltage. The EXT_CSD register may have a mode bit to indicate whether the memory device supports the programming and erasing operation.

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patent: WO 98/29890 (1998-07-01), None

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