Static information storage and retrieval – Systems using particular element – Cells of diverse coercivity
Reexamination Certificate
2005-10-18
2005-10-18
Dinh, Son T. (Department: 2824)
Static information storage and retrieval
Systems using particular element
Cells of diverse coercivity
C365S222000, C365S194000
Reexamination Certificate
active
06956758
ABSTRACT:
A composite gate detects whether an internal array is in a selected state and an internal row activation signal is activated in accordance with a timing relationship between an output signal of the composite gate and an address transition detection signal. When the address transition detection signal is applied, the internal row activation signal is deactivated in accordance with generation timings of delayed restore period signal indicating whether the internal array is in a selected state and of the address transition detection signal to permit the next row access. With such a configuration, the next operation is allowed to start after an internal state is surely restored to an initial state. When the next address transition detection signal is applied during a period of a restoration operation, a column recovery operation, or a refreshing operation, data access is correctly performed without causing data destruction.
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Sato Hirotoshi
Takatsuka Takafumi
Tsukude Masaki
Dinh Son T.
McDermott Will & Emery LLP
Nguyen Tuan T.
Renesas Technology Corp.
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