Data output driver that controls slew rate of output signal...

Details Data output driver that controls slew rate of output signal... Data output driver that controls slew rate of output signal...

2007-06-26

2007-06-26

Le, Don (Department: 2819)

Electronic digital logic circuitry

Interface

Current driving

C326S086000

Reexamination Certificate

active

10970016

ABSTRACT:
A data output driver of a semiconductor memory device can minimize a difference in slew rate of an output signal according to a selected bit organization. The data output driver includes a pull-up driver and a pull-down driver. The pull-up driver pulls up an output terminal and the pull-down driver pulls down the output terminal. In particular, current driving capabilities of the pull-up driver and/or the pull-down driver are changed in response to bit organization information signals of the semiconductor memory device.

REFERENCES:
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patent: 5663664 (1997-09-01), Schnizlein
patent: 5917758 (1999-06-01), Keeth
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patent: 6538464 (2003-03-01), Muljono et al.
patent: 6812734 (2004-11-01), Shumarayev et al.
patent: P1999-007298 (1999-01-01), None
patent: P1999-0064992 (1999-08-01), None
patent: 100414751 (2003-12-01), None

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