Integrated circuit package with external storage capacitor for i

Details Integrated circuit package with external storage capacitor for i Integrated circuit package with external storage capacitor for i

1996-04-29

1997-01-28

Saadat, Mahshid

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

Housing or package

For plural devices

257724, H01L 2334

Patent

active

055980350

ABSTRACT:
A package for an integrated circuit is described. The package houses an integrated circuit with a signal quality sensitive integrated circuit element, such as a voltage controlled oscillator of a phase-locked loop. A package-mounted storage capacitor is positioned on the package body to generate a precision control signal. A signal path is constructed between the package-mounted storage capacitor and the integrated circuit to route the precision control signal to the integrated circuit. The relatively short signal path from the package-mounted storage capacitor to the integrated circuit has reduced parasitic capacitance, inductance, and resistance to maintain the quality of the precision control signal. To improve signal quality, certain portions of the signal path are electrically isolated with a shielding trace.

REFERENCES:
patent: 4551746 (1985-11-01), Gilbert et al.
patent: 5388028 (1995-02-01), Arbanas

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