Data-output driver circuit and method

Details Data-output driver circuit and method Data-output driver circuit and method

2005-01-11

2005-01-11

Auduong, Gene (Department: 2818)

Static information storage and retrieval

Systems using particular element

Magnetoresistive

C365S045000, C365S170000, C257S295000

Reissue Patent

active

RE038685

ABSTRACT:
A drive circuit includes drive input and output terminals, a supply terminal, a drive transistor, and a drive-control circuit. The drive transistor includes a control terminal, a first transistor terminal coupled to the drive output terminal, and a second transistor terminal coupled to the supply terminal. The drive-control circuit has an input terminal coupled to the drive input terminal and has an output terminal coupled to the control terminal of the drive transistor. The drive-control circuit generates on the control terminal of the drive transistor a signal level that changes at a first rate during a first time period and at a second higher rate during a second time period following the first time period. As a result, when used as a data-output driver, one can adjust the first and second rates and time periods such that the drive circuit meets both the 50-ohm and 50 pf falling-slew-rate ranges specified in the Intel® PC-100 specification.

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patent: 6333656 (2001-12-01), Schober

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