Self timed driver

Details Self timed driver Self timed driver

1995-06-06

1996-08-27

Westin, Edward P.

Electronic digital logic circuitry

Tri-state

With field-effect transistor

327161, H03K 1900, H03K 1902

Patent

active

055504884

ABSTRACT:
A self-timed tri-state driver circuit for a dual-rail differential input and single-ended output is disclosed. The circuit generates a tri-state mode in response to an Output Enable (OE) input pulsing low. The OE signal input is driven high to place the driver circuit into a ready state. The circuit is maintained in a tri-state mode until data appears at the inputs. Once a data signal is received after the tri-state circuit is in the ready state, the output immediately outputs this signal. Therefore, the output of the driver is self-timed from the arrival of the data.

REFERENCES:
patent: 4697107 (1987-09-01), Haines
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patent: 5097152 (1992-03-01), Kohda et al.
patent: 5159216 (1992-10-01), Taylor et al.
patent: 5218239 (1993-06-01), Boomer
patent: 5225723 (1993-07-01), Drako et al.
patent: 5345421 (1994-09-01), Iwamura et al.
patent: 5434519 (1995-07-01), Trinh et al.
Chandrakasan et al., "A Low-Power Chipset for a Portable Multimedia I/O Terminal", IEEE Journal of Solid-State Circuits, vol. 29, No. 12, Dec. '94 pp. 1415-1428.

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