Quad-state control signal input circuit

Details Quad-state control signal input circuit Quad-state control signal input circuit

1985-06-19

1987-07-14

Miller, Stanley D.

Electrical transmission or interconnection systems

Nonlinear reactor systems

Parametrons

307244, 307511, 377 16, 328 55, 328119, 328154, G11C 800, H03K 1756, G05F 500, H03L 700

Patent

active

046804854

ABSTRACT:
A quad-state input signal decoder 100 that decodes conventional three-state signals plus a fourth state in which the input signal 40 is at the frequency of, and synchronized with, a decode clock signal 35 in the decoder. Compared to three-state techniques, this invention achieves a one-third increase in the number of exclusively-active signals that can be communicated through a single line such as a I/O pin 41 of an integrated circuit 110.

REFERENCES:
patent: 4330842 (1982-05-01), Daniels et al.
patent: 4465944 (1984-08-01), Shin
"System for Encoding Digital Data" R. C. Lee, I.B.M. Tech. Disc. Bul. 1977.

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