| 摘要 |
PROBLEM TO BE SOLVED: To provide a TLB that can quickly convert a virtual address to a physical address with low power consumption. SOLUTION: Tag entry parts 808 comprise an ASID holding part 810, a virtual address holding part 811, a valid bit part 812, an ASID comparison decision part 102 and a virtual address comparison decision part 104. A plurality of CAM cells 813 of the ASID holding part 810 in parallel connection on an ASID match line 105 are connected to the ASID comparison decision part 102, and a plurality of CAM cells 813 of the virtual address holding part 811 and a CAM cell 813 in the valid bit part 812 all in parallel connection on a virtual address match line 106 are connected to the virtual address comparison decision part 104. The ASID comparison decision part 102 gives an ASID validity signal 107 to the virtual address comparison decision part 104. COPYRIGHT: (C)2004,JPO
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