Miscellaneous active electrical nonlinear devices – circuits – and – Specific identifiable device – circuit – or system – Unwanted signal suppression
Patent
1998-02-18
2000-05-09
Cunningham, Terry D.
Miscellaneous active electrical nonlinear devices, circuits, and
Specific identifiable device, circuit, or system
Unwanted signal suppression
327311, 361 17, H03K 500
Patent
active
06060946&
ABSTRACT:
An input buffer circuit is connected to a first power supply voltage pad for applying a first power supply voltage, and a first ground line. An internal circuit larger in power consumption than the input buffer circuit is connected to a second power supply voltage pad for applying a second power supply voltage, and a second ground line. The parasitic resistance of the first ground line is higher than that of the second ground line. By connecting a capacitance between a power supply line connected to the first power supply voltage pad, and the first ground line, fluctuations in first power supply voltage are suppressed to prevent the input buffer circuit from malfunctioning.
REFERENCES:
patent: 5399920 (1995-03-01), Tran
patent: 5659258 (1997-08-01), Tanabe et al.
patent: 5731694 (1998-03-01), Wilcox et al.
patent: 5736869 (1998-04-01), Wei
Harima Takayuki
Masuda Masami
Nakamura Ken'ichi
Cunningham Terry D.
Kabushiki Kaisha Toshiba
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