Electricity: electrical systems and devices – Safety and protection of systems and devices – Capacitor protection
Reexamination Certificate
2005-12-13
2005-12-13
Owens, Douglas W. (Department: 2811)
Electricity: electrical systems and devices
Safety and protection of systems and devices
Capacitor protection
C361S016000, C361S017000
Reexamination Certificate
active
06975489
ABSTRACT:
A bypass capacitor having a given capacitance is arranged on the power/ground line adjacently to a driver circuit in a chip to reduce an effect of transient phenomenon at switching. The capacitance of the bypass capacitor is preset so as to be larger than a parasitic capacitance of the driver circuit to prevent the characteristic impedance of the power/ground line from being higher than the characteristic impedance of internal wiring.
REFERENCES:
patent: 2001/0013075 (2001-08-01), Otsuka et al.
Otsuka Kanji
Suga Tadatomo
Usami Tamotsu
Fujitsu Limited
Oki Electric Industry Co. Ltd.
Otsuka Kanji
Owens Douglas W.
Renesas Technology Corp.
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