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Friday, January 20, 2006

AMD To Quintuple CPU Cache Capacity

AMD has licensed a memory chip technology that could allow it to increase its processors' cache sizes fivefold without changing the size of each chip's die.
The technology is called Z-RAM and was developed by US-Swiss start-up Innovative Silicon, EETimes reports. IS' technique strips out the capacitor components commonly integrated into on-chip memory. The upshot: more space is created for memory cells, boosting the size of the cache.

IS claims Z-RAM can deliver up to five times the storage density of embedded S-RAM, the kind of memory from which most on-chip caches are constructed. It also developed Z-RAM to be fabbed using silicon-on-insulator (SOI) technology, which AMD already uses to produce its processors, as does IBM and Freescale.


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