Static information storage and retrieval – Floating gate – Particular biasing
Reexamination Certificate
2007-01-03
2009-08-18
Hoang, Huan (Department: 2827)
Static information storage and retrieval
Floating gate
Particular biasing
C365S185190, C365S185030
Reexamination Certificate
active
07577037
ABSTRACT:
Methods and circuitry are present for improving performance in non-volatile memory devices by allowing the inter-phase pipelining of operations with the same memory, allowing, for example, a read operation to be interleaved between the pulse and verify phases of a write operation. In the exemplary embodiment, the two operations share data latches. In specific examples, at the data latches needed for verification in a multi-level write operation free up, they can be used to store data read from another location during a read performed between steps in the multi-level write. In the exemplary embodiment, the multi-level write need only pause, execute the read, and resume the write at the point where it paused.
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Li Yan
Yero Emilio
Davis , Wright, Tremaine, LLP
Hoang Huan
SanDisk Corporation
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