Integrated circuit pins configurable as a clock input pin and as

Details Integrated circuit pins configurable as a clock input pin and as Integrated circuit pins configurable as a clock input pin and as

1996-05-24

1997-11-11

Hudspeth, David R.

Electronic digital logic circuitry

Multifunctional or programmable

Having details of setting or programming of interconnections...

326 46, H03K 190175

Patent

active

056868448

ABSTRACT:
The present invention relates to a configurable IC device pin. The IC device pin may be a device clock input pin or a digital I/O pin in one embodiment of the present invention, or a reset pin or a digital I/O pin in another embodiment of the present invention. Both embodiments of the present invention use a memory device to store information to configure the IC device pin. Input/Output logic is also used in both embodiments in order to transfer data to and from the IC device pin when the IC device pin is configured as a digital I/O pin.

REFERENCES:
patent: 4758746 (1988-07-01), Birkner et al.
patent: 5051622 (1991-09-01), Pleva
patent: 5231312 (1993-07-01), Gongwer et al.
patent: 5473758 (1995-12-01), Allen et al.
patent: 5594442 (1997-01-01), Paulos et al.

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