Input buffer with adaptive trip point

Details Input buffer with adaptive trip point Input buffer with adaptive trip point

2007-06-04

2010-10-05

Tan, Vibol (Department: 2819)

Electronic digital logic circuitry

Interface

Current driving

C326S068000, C327S333000

Reexamination Certificate

active

07808275

ABSTRACT:
Disclosed is a circuit comprising an inverter circuit which comprises inverters and level shifters; and a modulation circuit comprising a pull-up circuit and a pull-down circuit, the modulation circuit coupled to the inverter circuit to regulate the response of the circuit to an input voltage for various power supply voltage levels by the pull-up or pull-down circuit. Other embodiments are also disclosed.

REFERENCES:
patent: 6064229 (2000-05-01), Morris
patent: 6781419 (2004-08-01), Harrison
patent: 7102389 (2006-09-01), Chen et al.
patent: 2005/0046449 (2005-03-01), Davis
patent: 2006/0049847 (2006-03-01), Chen
patent: 2006/0214718 (2006-09-01), Chen

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