Semiconductor integrated circuit devices including means for red

Details Semiconductor integrated circuit devices including means for red Semiconductor integrated circuit devices including means for red

1991-04-01

1995-09-12

Carroll, J.

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

Integrated circuit structure with electrically isolated...

Passive components in ics

257532, 257535, H01L 2702

Patent

active

054499488

ABSTRACT:
Integrated circuit devices, chips and methods of making and operating them are disclosed. The devices are specially adapted for high frequency operation e.g. at or above 1 GHz. Inductive noise caused by switching at these frequencies--and which can interfere with switching--is inhibited by using a large bypass capacitor connected between power and ground connections outside the chip, and a small bypass capacitor connected between the same power and ground connections but formed inside the chip. The smaller capacitor cuts noise attributable to the wiring between the larger capacitor and the chip. The chip can have many of the smaller capacitors, even one or more per gate. In the preferred embodiments, the small capacitors from power and ground bonding pads are formed at the front surface of the chip substrate. Tantalum pentoxide, and other suitable dielectrics having relative dielectric constant of 10 or more at 1 GHz, are used to form the capacitors.

REFERENCES:
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patent: 4626881 (1986-12-01), Kishi et al.
patent: 4737830 (1988-07-01), Patel et al.
patent: 4891684 (1990-01-01), Nishioka et al.
patent: 5011784 (1991-07-01), Ratnakumar
patent: 5032892 (1991-07-01), Chern et al.

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