Resistive pull-up device for I/O pin

Details Resistive pull-up device for I/O pin Resistive pull-up device for I/O pin

1998-05-18

2000-10-24

Tokar, Michael

Electronic digital logic circuitry

Interface

Current driving

326 86, H03K 190175

Patent

active

061373133

ABSTRACT:
Various embodiments for improved I/O pin pull-up circuitry are disclosed. The pull-up devices according to the present invention minimize dissipation of crowbar current when the I/O pin is tri-stated. Circuit techniques are disclosed for minimizing the crowbar current as well as making the circuit high voltage tolerant.

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patent: 5886549 (1999-03-01), Naura
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