Integrated circuit device and electronic instrument

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Reexamination Certificate

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C365S210120, C365S189090

Reexamination Certificate

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07492659

ABSTRACT:
An integrated circuit device having a display memory, wherein a plurality of first power supply interconnects for supplying a first power supply voltage to a plurality of memory cells are provided in a metal interconnect layer in which a plurality of bitlines are formed; wherein a second power supply interconnect for supplying a second power supply voltage to the memory cells is provided in a metal interconnect layer in which a plurality of wordlines are formed, the second power supply voltage being higher than the first power supply voltage; wherein a plurality of bitline protection interconnects are formed in a layer above the bitlines, each of the bitline protection interconnects at least partially covering one of the bitlines in a plan view; and wherein a third power supply interconnect for supplying a third power supply voltage to circuits of the integrated circuit device other than the display memory is provided in a layer above the bitline protection interconnects, the third power supply voltage being higher than the second power supply voltage.

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