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  2. Static random-access memory - Wikipedia

    en.wikipedia.org/wiki/Static_random-access_memory

    The static qualifier differentiates SRAM from dynamic random-access memory (DRAM): SRAM will hold its data permanently in the presence of power, while data in DRAM decays in seconds and thus must be periodically refreshed. SRAM is faster than DRAM but it is more expensive in terms of silicon area and cost.

  3. NOR flash replacement - Wikipedia

    en.wikipedia.org/wiki/NOR_flash_replacement

    Four essential components are included in the hardware design: host interface, SRAM (cache), NAND flash memory, and control logic. In order to fill up the performance gap between NAND and NOR, SRAM serves as a cache layer for data access over NAND. The host interface is responsible to the communication with the host system via address and data ...

  4. Computer memory - Wikipedia

    en.wikipedia.org/wiki/Computer_memory

    [a] DRAM dominates for desktop system memory. SRAM is used for CPU cache. SRAM is also found in small embedded systems requiring little memory. SRAM retains its contents as long as the power is connected and may use a simpler interface, but commonly uses six transistors per bit. Dynamic RAM is more complicated for interfacing and control ...

  5. Types of physical unclonable function - Wikipedia

    en.wikipedia.org/wiki/Types_of_physical...

    DRAM is also much cheaper than static RAM (SRAM). Thus, DRAM PUFs could be a source of random but reliable data for generating board identifications (chip ID). The advantage of the DRAM PUF is based on the fact that the stand-alone DRAM already present in a system on a chip can be used for generating device-specific signatures without requiring ...

  6. Random-access memory - Wikipedia

    en.wikipedia.org/wiki/Random-access_memory

    The two main types of volatile random-access semiconductor memory are static random-access memory (SRAM) and dynamic random-access memory (DRAM). Non-volatile RAM has also been developed [ 3 ] and other types of non-volatile memories allow random access for read operations, but either do not allow write operations or have other kinds of ...

  7. Magnetoresistive RAM - Wikipedia

    en.wikipedia.org/wiki/Magnetoresistive_RAM

    SRAM consists of a series of transistors arranged in a flip-flop, which will hold one of two states as long as power is applied. Since the transistors have a very low power requirement, their switching time is very low. However, since an SRAM cell consists of several transistors, typically four or six, its density is much lower than DRAM.

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