Programmable interconnect point having reduced crowbar current

Details Programmable interconnect point having reduced crowbar current Programmable interconnect point having reduced crowbar current

1997-03-27

1999-04-27

Tokar, Michael

Electronic digital logic circuitry

Tri-state

With field-effect transistor

326121, 326 50, 326 27, H03K 19017

Patent

active

058983201

ABSTRACT:
Problems associated with excessive crowbar current due to input signal transitions at a buffered programmable interconnect point are solved by inserting a transistor switch between power and ground. The inserted switch is in series with the input buffer and is controlled by a memory cell which also controls the pass
o-pass state of the interconnect. An OFF inserted switch blocks current that flows during switching when the memory cell output causes a no-pass state of the interconnect.

REFERENCES:
patent: 4855619 (1989-08-01), Hsieh et al.

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