A pull down circuit pulls a bit line voltage to a regulated source voltage in a non-volatile storage device during a sense operation such as a verify operation which occurs during programming. The storage device may include NAND strings which have associated bit lines and sense components, and a common source line. When a selected storage element of a NAND string has been programmed to its intended state, the bit line is locked out during subsequent verify operations which occur for other NAND strings which are not yet locked out. The pull down device is coupled to each bit line and to the common source line, whose voltage is regulated at a positive DC level, to prevent coupling of system power bus (V.sub.SS) noise from the locked out bit lines to the not yet locked out bit lines.

 
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> Non-volatile memory with reduced erase/write cycling during trimming of initial programming voltage

> Reducing power consumption during read operations in non-volatile storage

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