Semiconductor device containing an adjustable voltage generator

Miscellaneous active electrical nonlinear devices – circuits – and – Specific identifiable device – circuit – or system – Fusible link or intentional destruct circuit

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Details

327545, 257223, 257230, 257445, 348298, 348299, H01H 3776

Patent

active

058670556

ABSTRACT:
A semiconductor device and a method of inspecting the same are described. The semiconductor device does not need voltage adjustment of an external driver circuit, since it contains a voltage generator to inspect and memorize the best value of voltage by controlling from outside. The voltage generator has a plurality of capacitors whose electrodes of one side are connected to a common node, a potential changing circuit to change the potential to which the other electrodes of these capacitors are connected respectively, and a buffer amplifier whose input power is the voltage generated in the common node. The output power of the buffer amplifier is connected to a semiconductor integrated circuit. The potential changing circuit is provided to change the potential to which the electrode of each capacitor is connected to a source potential or to a ground potential depending on the connection of the fuse connected between the source and each of the capacitors.

REFERENCES:
patent: 5202575 (1993-04-01), Sakai
patent: 5386115 (1995-01-01), Freidhoff et al.
patent: 5499183 (1996-03-01), Kobatake
patent: 5525813 (1996-06-01), Miyake et al.

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