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Computer memory types

T-RAM, short for "Thyristor RAM" or "thyristor random-access memory", is a new type of DRAM computer memory invented and developed by T-RAM Semiconductor, which departs from the usual designs of memory cells, combining the strengths of the DRAM and SRAM: high speed and high volume. This technology, which exploits the electrical property known as negative differential resistance and is called Thin-Capacitively-Coupled-Thyristor[1], is used to create memory cells capable of very high packing densities. Due to this, this memory is highly scalable, and already has a storage density that is several times higher than found in conventional six-transistor SRAM memory. It is expected the next generation of T-RAM memory to have the same density as DRAM.

It is assumed that this type of memory will be used in the next-generation processors by AMD, produced in 32nm and 22nm [2], replacing the previously licensed but unused Z-RAM technology.


  1. ^ Description of the technology
  2. ^ Business Wire: GlobalFoundries may use T-RAM in AMD next generation processors

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