Function of and, or, nand, nor, or not > Bipolar transistor (e.g., rtl, dctl, etc.) > With negative resistance device (e.g., tunnel diode, thyristor, etc.) > Patents

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Class Information
Number: 326/132
Name: Electronic digital logic circuitry > Function of and, or, nand, nor, or not > Bipolar transistor (e.g., rtl, dctl, etc.) > With negative resistance device (e.g., tunnel diode, thyristor, etc.)
Description: Subject matter wherein the bipolar transistor logic circuit includes a semiconductor device characterized by an operating current-voltage plot having a portion with a negative slope.

Patents under this class:

Patent Number	Title Of Patent	Date Issued
6486707	CMOS pass transistor logic circuitry using quantum mechanical tunneling structures	Nov. 26, 2002
6362660	CMOS latch and register circuitry using quantum mechanical tunneling structures	Mar. 26, 2002
6130559	QMOS digital logic circuits	Oct. 10, 2000
5563530	Multi-function resonant tunneling logic gate and method of performing binary and multi-valued logic	Oct. 8, 1996
4242595	Tunnel diode load for ultra-fast low power switching circuits	Dec. 30, 1980