Tri-state circuit using nanotube switching elements

Details Tri-state circuit using nanotube switching elements Tri-state circuit using nanotube switching elements

2007-10-30

2007-10-30

Barnie, Rexford (Department: 2819)

Electronic digital logic circuitry

Tri-state

C977S932000, C977S940000

Reexamination Certificate

active

11656253

ABSTRACT:
Nanotube-based logic circuitry is disclosed. Tri-stating elements add an enable/disable function to the circuitry. The tri-stating elements may be provided by nanotube-based switching devices. In the disabled state, the outputs present a high impedance, i.e., are tri-stated, which state allows interconnection to a common bus or other shared communication lines. In embodiments wherein the components are non-volatile, the inverter state and the control state are maintained in the absence of power. Such an inverter may be used in conjunction with and in the absence of diodes, resistors and transistors or as part of or as a replacement to CMOS, biCMOS, bipolar and other transistor level technologies.

REFERENCES:
patent: 2002/0173083 (2002-11-01), Avouris et al.
patent: 2005/0280436 (2005-12-01), Bertin
patent: 2006/0044035 (2006-03-01), Bertin

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