Schmitt circuit for semiconductor integrated circuit

Details Schmitt circuit for semiconductor integrated circuit Schmitt circuit for semiconductor integrated circuit

1987-04-10

1989-02-21

Miller, Stanley D.

Electrical transmission or interconnection systems

Nonlinear reactor systems

Parametrons

307303, 357 51, H03K 3288, H03K 3295, H03K 3017, H01L 2702

Patent

active

048067873

ABSTRACT:
A Schmitt circuit for a semiconductor integrated circuit has resistances of predetermined resistors of the Schmitt circuit respectively selected from a plurality of resistances so as to obtain desired threshold voltages by selecting electrodes to which wiring is connected when producing the semiconductor integrated circuit according to the master slice method. Thus the Schmitt circuits have different threshold voltages depending on the selection of the electrodes to which the wiring is connected.

REFERENCES:
patent: 3471718 (1969-10-01), Weisz
patent: 4109198 (1978-08-01), Ueno
patent: 4549131 (1985-10-01), Kusazaki
patent: 4562451 (1985-12-01), Fuse

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