Integrated circuit having local interconnect for reduing signal

Details Integrated circuit having local interconnect for reduing signal Integrated circuit having local interconnect for reduing signal

1996-04-17

1998-02-10

Saadat, Mahshid D.

Active solid-state devices (e.g., transistors, solid-state diode

Field effect device

Having insulated electrode

257295, 257368, 257377, 257382, 257383, 257384, H01L 2976, H01L 2994

Patent

active

057172420

ABSTRACT:
An integrated circuit is provided having an improved interconnect structure. The interconnect structure includes a power-coupled local interconnect which is always retained at VDD or VSS (i.e., ground) level. The local interconnect resides a dielectric-spaced distance below critical runs of overlying interconnect. The powered local interconnect serves to sink noise transients from the critical conductors to ensure that circuits connected to the conductors do not inoperably function. Accordingly, the local interconnect extends along a substantial portion of the conductor length, and is either wider or narrower than the conductor under which it extends. The local interconnect can either be polysilicon, doped polysilicon, polycide, refractory metal silicide, or multi-level refractory metal.

REFERENCES:
patent: 4392150 (1983-07-01), Courreges
patent: 4894693 (1990-01-01), Tigelbar et al.
patent: 5124774 (1992-06-01), Godinho et al.

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