IC input circuitry programmable for realizing multiple functions

Details IC input circuitry programmable for realizing multiple functions IC input circuitry programmable for realizing multiple functions

1986-09-23

1988-01-26

Miller, Stanley D.

Electrical transmission or interconnection systems

Nonlinear reactor systems

Parametrons

3072021, 307449, 307463, 307243, 364716, H03K 1794

Patent

active

047218681

ABSTRACT:
A single, programmable, multifunctional input circuit scheme for integrated circuit chips is disclosed. An input pin is provided with selectable input logic circuit blocks, each capable of providing an input signal to another circuit in the integrated circuit system architecture. The user of the chip is provided with means for programming said pin to select one of said logic circuit blocks, whereby each said pin has multifunction capability.

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patent: 4286173 (1981-08-01), Oka et al.
patent: 4409683 (1983-10-01), Woodward
patent: 4486880 (1984-12-01), Jeffery et al.
patent: 4577124 (1986-03-01), Koike
patent: 4600846 (1986-07-01), Burrows
patent: 4645944 (1987-02-01), Uya

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