Column address control circuit capable of selectively...

Details Column address control circuit capable of selectively... Column address control circuit capable of selectively...

2007-12-27

2010-10-05

Phan, Trong (Department: 2827)

Static information storage and retrieval

Hardware for storage elements

C365S189050, C365S189080, C365S230080, C365S233100, C365S233110, C365S233160, C365S233170, C365S233180

Reexamination Certificate

active

07808805

ABSTRACT:
A column address control circuit comprises a control unit for outputting a control signal in response to a DDR mode signal and a first signal, and an address counting unit configured to receive a start column address and output a start column address in response to the control signal. The first signal is a burst read single write mode signal. The control signal is activated when the first signal is activated in a DDR mode. The control unit includes a first logic unit for performing an AND operation of the DDR mode signal and the first signal, and a second logic unit for performing an OR operation of an output signal of the first logic unit and a SDR mode signal.

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