SEMICONDUCTOR MEMORY DEVICE AND METHOD FOR READING OUT DATA
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United States of America Patent
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Issued Date -
Oct 17, 2013
app pub date -
Apr 12, 2013
filing date -
Apr 13, 2012
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
Unique output control is carried out in allowing or prohibiting an output unit to deliver data to outside from a memory unit, when the data at a designated address is read out of the memory unit in response to an address signal designating that address. The memory unit has an output enable/disable flag stored at a predetermined address. This flag is indicative of whether to permit the data to be delivered to outside. After power is turned on, the output unit prohibits the delivery of the data to outside until the output enable/disable flag indicates permission for data delivery to outside and the address signal designating the predetermined address is continuously supplied over N times the clock period of a clock signal. N is an integer equal to or greater than two.
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