System having input-output drive reduction

Details System having input-output drive reduction System having input-output drive reduction

1996-04-02

1997-12-09

Crane, Sara W.

Active solid-state devices (e.g., transistors, solid-state diode

With shielding

257532, 257758, H01L 23552

Patent

active

056964030

ABSTRACT:
An electronic system utilizing at least one integrated circuit that has reduced drive requirements for the input and output pads of the integrated circuit die. The integrated circuit of the system has an intermediate structure added between the output connection pad and substrate to reduce the amount of electron charge required to charge the output pad capacitance of the integrated circuit to a substantially negligible amount. In addition, an intermediate structure may be added between an input connection pad and substrate of the integrated circuit to reduce the amount of electron charge required to charge the input pad capacitance to a substantially negligible amount. In the present invention, a transistor amplifier driver is connected to the intermediate structure between the output pad and substrate to charge the capacitance that exists between the intermediate structure and substrate so that the voltage potential of the intermediate structure is substantially the same value as the output pad voltage value. In similar fashion, a transistor amplifier driver is connected to the intermediate structure between the input pad and substrate to charge the capacitance that exists between the intermediate structure and substrate so that the voltage potential of the intermediate structure is substantially the same value as the input pad voltage value.

REFERENCES:
patent: 5471093 (1995-11-01), Cheung
patent: 5479044 (1995-12-01), Narahara et al.
patent: 5504355 (1996-04-01), Hatano
patent: 5585664 (1996-12-01), Ito

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