CIRCUIT FOR OUTPUTTING DATA OF SEMICONDUCTOR MEMORY APPARATUS

A data output circuit of a semiconductor memory apparatus can include a clock synchronization unit (which is driven by a power supply voltage) that can be configured to receive data and output first synchronization data and second synchronization data in synchronization with a clock; a voltage conve...

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Bibliographic Details
Main Author LEE KANG YOUL
Format Patent
LanguageEnglish
Published 01.01.2009
Subjects
ELECTRIC COMMUNICATION TECHNIQUE
ELECTRICITY
INFORMATION STORAGE
PHYSICS
STATIC STORES
TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHICCOMMUNICATION
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Summary:A data output circuit of a semiconductor memory apparatus can include a clock synchronization unit (which is driven by a power supply voltage) that can be configured to receive data and output first synchronization data and second synchronization data in synchronization with a clock; a voltage converting unit that can be configured to convert the first and second synchronization data, which can swing between the power supply voltage and a ground voltage, into first and second converted data, which can swing between an I/O power supply voltage and the ground voltage; and a data output driver, which is driven by the I/O power supply voltage, for outputting the first converted data and the second converted data as output data.
Bibliography:Application Number: US20070963489