Apparatus and method for observing the mode of a memory device

Details Apparatus and method for observing the mode of a memory device Apparatus and method for observing the mode of a memory device

1997-05-05

1999-04-06

Beausoliel, Jr., Robert W.

Excavating

365201, G01R 3128

Patent

active

058927778

ABSTRACT:
A method and apparatus observes a mode register (102) in a synchronous memory device. A multiplexer (306) selects the value of the mode register (102) or the conventional data path of the memory array (302) through the output buffer. The invention outputs the stored value of the control register (102) on output pins, such as address pins when no signal is expected. The multiplexer (306) maybe responsive to a variety of control signals.

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patent: 5402389 (1995-03-01), Flannagan et al.
patent: 5568437 (1996-10-01), Jamal
patent: 5587961 (1996-12-01), Wright et al.
patent: 5627838 (1997-05-01), Lin et al.
patent: 5715476 (1998-02-01), Kundu et al.
patent: 5729553 (1998-03-01), Motohara

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