Static information storage and retrieval – Systems using particular element – Flip-flop
Reexamination Certificate
2011-01-11
2011-01-11
Nguyen, VanThu (Department: 2824)
Static information storage and retrieval
Systems using particular element
Flip-flop
Reexamination Certificate
active
07869261
ABSTRACT:
A semiconductor memory maintains securely the stored contents in the memory cells, and it is written with data reliably even in a case where a relatively low supply voltage is applied. A memory cell M00comprises a pair of inverters cross-coupled with each other, a first switching unit provided between bit line BL and the output terminal of one of the inverters, and a second switching unit provided between bit line XBL and the output terminal of the other inverter. The first switching unit and the second switching unit are controlled to be conductive such that the conductance of the switches be larger for the writing operation than for the reading operation.
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Arent & Fox LLP
Fujitsu Semiconductor Limited
Nguyen Vanthu
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