Wireless semiconductor device having low power consumption

Details Wireless semiconductor device having low power consumption Wireless semiconductor device having low power consumption

2005-01-27

2009-02-03

Butler, Dennis M (Department: 2115)

Electrical computers and digital processing systems: support

Computer power control

Power conservation

C713S300000, C713S320000

Reexamination Certificate

active

07487373

ABSTRACT:
The invention provides a semiconductor device that power is stabilized by suppressing power consumption as much as possible. The semiconductor device of the invention includes a logic portion and a memory portion each including a plurality of transistors, a detecting portion for detecting one or both of operation frequencies of the logic portion and the memory portion, a Vth control for supplying a Vth control signal to one or both of the logic portion and the memory portion, and an antenna. Each of the plurality of transistors has a first gate electrode which is input with a logic signal, a second gate electrode which is input with the Vth control signal, and a semiconductor film such that the second gate electrode, the semiconductor film, and the first gate electrode are provided in this order from the bottom.

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