Electronic digital logic circuitry – Multifunctional or programmable – Having details of setting or programming of interconnections...
Patent
1999-05-26
2000-12-19
Mai, Son
Electronic digital logic circuitry
Multifunctional or programmable
Having details of setting or programming of interconnections...
326 39, 326 40, G06F 738
Patent
active
061631663
ABSTRACT:
A programmable logic device has buffers that may be selectively programmed for Schmitt-triggered and threshold-triggered operation. The programmable Schmitt-triggered buffers are connected to circuit nodes that are sensitive to noisy environments. The programmable threshold-triggered buffers are connected to circuit nodes that have critical timing requirements.
REFERENCES:
patent: 4903223 (1990-02-01), Norman et al.
patent: 5748616 (1998-05-01), Riley
patent: 5952846 (1999-09-01), Silver
patent: 5959466 (1999-09-01), McGowan
Bielby Robert
Ishihara Brad
Rangasayee Krishna
Altera Corporation
Galliani William S.
Mai Son
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