Semiconductor device with reduced current consumption in standby state
Number of patents in Portfolio can not be more than 2000
United States of America Patent
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Jul 22, 2003
Issued Date -
N/A
app pub date -
Jun 13, 2002
filing date -
May 24, 2000
priority date (Note) -
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Abstract
A logic portion outputs to a DRAM portion a start address and an end address indicating a memory region where data to be stored is present prior to transition to power down mode having reduced current consumption. In the power down mode, a refresh control unit holds the start address and the end address and controls refresh to be carried out for data only in a region requiring refresh. The power supply of the logic portion is set in off state in the power down mode and accordingly a semiconductor device can consume reduced current while holding data.
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