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    • 7. 发明授权
    • Semiconductor storage apparatus
    • 半导体存储装置
    • US07506099B2
    • 2009-03-17
    • US11519221
    • 2006-09-12
    • Shunichi IwanariYasushi GohouYoshihisa Kato
    • Shunichi IwanariYasushi GohouYoshihisa Kato
    • G06F12/00
    • G06F12/123G06F2212/2022
    • A semiconductor storage apparatus comprising: a ferroelectric memory; an SRAM 30; a counter 41; a CAM 10 that judges whether or not a block of data requested to be read out from the ferroelectric memory is stored in the SRAM 30; a storage control unit 51 that, if a result of the judgment is negative, performs a control to read out the requested block of data from the ferroelectric memory and stores a copy of the read-out block of data into a unit storage area in the SRAM 30 that corresponds to the count value indicated by the counter 41; and a counter control unit 52 that causes the counter 41 to update the count value each time a result of the judgment is negative.
    • 一种半导体存储装置,包括:铁电存储器; 一个SRAM 30; 柜台41 判断从铁电存储器请求读出的数据块是否存储在SRAM30中的CAM10; 存储控制单元51,如果判断结果为否定,则执行控制以从强电介质存储器读出所请求的数据块,并将读出的数据块的副本存储在该单元存储区域中 对应于由计数器41指示的计数值的SRAM 30; 以及计数器控制单元52,每当判断结果为负时,使计数器41更新计数值。