Miscellaneous active electrical nonlinear devices – circuits – and – Specific identifiable device – circuit – or system – With specific source of supply or bias voltage
Reexamination Certificate
2003-05-06
2009-11-03
Tra, Quan (Department: 2816)
Miscellaneous active electrical nonlinear devices, circuits, and
Specific identifiable device, circuit, or system
With specific source of supply or bias voltage
C327S544000
Reexamination Certificate
active
07612604
ABSTRACT:
A body bias control system allows for independent design of a functional module, thereby reducing the burden of designing the module. The body bias control system provides a switch circuit having an area in which the body bias is controlled independently of its outside portion, for controlling the supply of body bias in the vicinity of the area. Preferably three types of switches are provided for switching the body bias to suitable levels for a standby mode, a mode of normal operation and a mode of high-speed operation.
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Hiroyuki Mizuno et al., “A 18μA-Standby-Current 1.8V 200MHz Microprocessor with Self Substrate-Biased Data-Retention Mode,”1999 IEEE International Solid-State Circuits Conf rence,Feb. 1999, pp. 280-281.
Kanno Yusuke
Kuraishi Takashi
Miyazaki Masayuki
Ono Goichi
Shinbo Toshinobu
Hitachi , Ltd.
Hitachi ULSI Systems Co. Ltd.
Miles & Stockbridge P.C.
Tra Quan
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