US PATENT SUBCLASS 711 / 207
.~.~.~.~ Directory tables (e.g., DLAT, TLB)

Current as of: June, 1999
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711 /   HD   ELECTRICAL COMPUTERS AND DIGITAL PROCESSING SYSTEMS: MEMORY

200  DF  ADDRESS FORMATION {12}
202  DF  .~ Address mapping (e.g., conversion, translation) {2}
203  DF  .~.~ Virtual addressing {3}
206  DF  .~.~.~ Translation tables (e.g., segment and page table or map) {2}
207.~.~.~.~ Directory tables (e.g., DLAT, TLB)

DEFINITION

Classification: 711/207

Directory tables (e.g., DLAT, TLB):

(under subclass 206) Subject matter wherein a memory space is employed for registering indexes and the like to real or physical address spaces.

(1) Note. These mechanisms convert address data from a virtual address to a physical address without the need for accessing translation tables in main memory (e.g., utilizing cache for virtual to physical translation).

(2) Note. DLAT is a term of art referring to Directory Look-Aside Table; TLB is a term of art referring to Translation Look-Aside Buffer.

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3, for cache memory addressing.