Title :
VDD-Hopping Accelerator for On-Chip Power Supplies Achieving Nano-Second Order Transient Time
Author :
Onizuka, Kohei ; Sakurai, Takayasu
Author_Institution :
Inst. of Ind. Sci. & Center for Collaborative Res., Tokyo Univ.
Abstract :
A VDD-hopping accelerator for on-chip power supply circuits is proposed and the effectiveness of the accelerator circuit is experimentally verified. The circuit enables nano-second order transient time in on-chip distributed power supply systems. The measured transition time is less than 5ns with load circuit equivalent to 25k logic gates in 0.18-mum CMOS. This is to be compared with the case without the accelerator of the order of mus and thus the acceleration by two orders of magnitude is achieved. Automatic generation of the timings in a self-aligned manner is also discussed
Keywords :
CMOS logic circuits; integrated circuit design; logic design; logic gates; power supply circuits; system-on-chip; 0.18 micron; CMOS; VDD-hopping accelerator; accelerator circuit; distributed power supply systems; logic gates; nanosecond order transient time; on-chip power supply circuits; CMOS logic circuits; Capacitance; Energy consumption; Logic circuits; Packaging; Power supplies; Read only memory; System-on-a-chip; Universal Serial Bus; Voltage;
Conference_Titel :
Asian Solid-State Circuits Conference, 2005
Conference_Location :
Hsinchu
Print_ISBN :
0-7803-9162-4
Electronic_ISBN :
0-7803-9163-2
DOI :
10.1109/ASSCC.2005.251686
