Transceiver with isolated power rails for ground bounce reductio

Details Transceiver with isolated power rails for ground bounce reductio Transceiver with isolated power rails for ground bounce reductio

1991-07-12

1992-12-22

Westin, Edward P.

Electrical transmission or interconnection systems

Nonlinear reactor systems

Parametrons

307475, 307456, 3075421, H03K 1716, H03K 1920

Patent

active

051736217

ABSTRACT:
Circuit configurations are described for use with split lead leadframes and relatively isolated quiet and noisy power rails to reduce power rail noise and circuit noise. An octal register transceiver circuit incorporates a latch (300) coupled to relatively quiet power rails (42,44) and an output buffer circuit (400) having an input circuit coupled to the latch (300) and relatively quiet power rails (42,44). The output driver transistors (Q433,Q434) of the output buffer circuit (400) are coupled to the relatively noisy output power rails (52,54) to isolate the latch circuit from power rail noise and minimize erroneous operation of the latch. A DC Miller Killer circuit (450) is constructed with delay control components (D456,D457,R460) and an alternative discharge path (R458,D459) to reduce aggravation of power rail noise during operation of DCMK.

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Patent Abstracts of Japan, vol. 6, No. 103 (E-112)[981] Jun. 12, 1982; & JP-A-57 035361 (Nippon Denki K.K.) Feb. 25, 1982.
Fairchild Camera & Instrument Corp., ECL Data Book, 1977, pp. 2.3-2.4, Mountain View, Calif., US.
Patent Abstracts of Japan, vol. 10, No. 343 (E-456)[2399], Nov. 19, 1986; & JP-A-61 147 559 (NEC Corp.) Jul. 5, 1986.

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