Input buffer with noise filter for eliminating short-pulse-width

Details Input buffer with noise filter for eliminating short-pulse-width Input buffer with noise filter for eliminating short-pulse-width

1990-11-21

1991-11-12

Miller, Stanley D.

Electrical transmission or interconnection systems

Nonlinear reactor systems

Parametrons

3075421, 307234, 307290, 328111, H03K 500, H03K 522

Patent

active

050650548

ABSTRACT:
An input buffer provides buffering of digital input signals and noise filtering. The input buffer includes a Schmitt trigger having a fast response to digital signal rising edges and a slow response to digital signal falling edges. A first transfer gate having a relatively slow response conveys rising edge transitions to the Schmitt trigger and a second transfer gate having a relatively fast response conveys falling edge transitions to the Schmitt trigger.

REFERENCES:
patent: 4497068 (1985-01-01), Fischer
patent: 4719367 (1988-01-01), Denda
patent: 4775840 (1988-10-01), Ohmori et al.
patent: 4857760 (1989-08-01), Stuebing
patent: 4945261 (1990-07-01), Wright
patent: 5001374 (1991-03-01), Chang

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