Input-output drive reduction in a semiconductor integrated circu

Details Input-output drive reduction in a semiconductor integrated circu Input-output drive reduction in a semiconductor integrated circu

1993-10-25

1996-05-14

Prenty, Mark V.

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

With shielding

257532, 257758, H01L 23552, H01L 2348

Patent

active

055170552

ABSTRACT:
The present invention relates to a method of and system for reducing the drive requirements for the input and output pads of an integrated circuit die. An intermediate structure is added between the output connection pad and substrate to reduce the amount of electron charge required to charge the output pad capacitance to a substantially negligible amount. In addition, an intermediate structure may be added between an input connection pad and substrate to reduce the amount of electron charge required to charge the input pad capacitance to a substantially negligible amount. The present invention connects a transistor amplifier driver 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: 5345105 (1994-09-01), Sun et al.

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