Output circuit having large current driving capability without p

Details Output circuit having large current driving capability without p Output circuit having large current driving capability without p

1990-12-04

1993-03-16

LaRoche, Eugene R.

Electrical transmission or interconnection systems

Nonlinear reactor systems

Parametrons

307451, 307452, H03K 1716

Patent

active

051947633

ABSTRACT:
An output circuit comprises a plurality of output units respectively coupled between internal data signal lines and external data signal lines and assigned to respective bit positions, and a supervising circuit controlling the output units for supplying output data bits on the associated external data signal lines in a cascade manner; and each of the output units has a driving circuit operative to drive the associated external data signal line by providing a current path between the associated external data signal line and one of two sources of voltage level, and a control circuit responsive to an output data signal on the associated internal data signal line and allowing the driving circuit to drive the associated second data line, wherein the supervising circuit activates the controlling circuit of each output unit upon confirmation that the controlling circuit of another output unit assigned to the previous bit position has been activated.

REFERENCES:
patent: 3947829 (1976-03-01), Suzuki
patent: 4567386 (1986-01-01), Benschop
patent: 4587445 (1986-05-01), Kanuma
patent: 4724340 (1988-02-01), Sood
patent: 4860491 (1987-07-01), Yokouchi et al.
patent: 5038056 (1991-08-01), Koide et al.
patent: 5059818 (1991-10-01), Witt et al.

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