Electrical transmission or interconnection systems – Personnel safety or limit control features – Interlock
Patent
1990-11-06
1992-06-09
LaRoche, Eugene R.
Electrical transmission or interconnection systems
Personnel safety or limit control features
Interlock
3072961, 357 40, H03K 3013, H03K 17687
Patent
active
051210363
ABSTRACT:
A semiconductor integrated circuit has an internal circuit, an output circuit, power supply pads and power supply lines for the output circuit, and power supply pads and power supply lines for the internal circuit and a substrate potential pad and a substrate potential supply line for supplying a substrate potential. The power supply pads and power supply lines for the output circuit are separate and independent from the other power supply pads and power supply lines for the internal circuit and for supplying the substrate potential and, as a result, any power supply noise developed at the output circuit is prevented from propagating to other related circuits. This ensures a stable and reliable operation of the semiconductor integrated circuit device in which the present invention is embodied.
REFERENCES:
patent: 4789796 (1988-12-01), Fioss
patent: 4988894 (1991-01-01), Takiba et al.
LaRoche Eugene R.
NEC Corporation
Yoo Do Hyun
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