SRAM Modules Information

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SRAM memory modules use static random access memory (SRAM), a type of memory that is faster, more reliable, and more expensive than dynamic random access memory (DRAM). Unlike DRAM computer memory modules, SRAM memory modules do not need to be refreshed in order to prevent data loss; however, SRAM requires more power than DRAM. Typically, SRAM memory modules are used in small, central processing unit (CPU) applications. SRM memory modules are also used in a system cache, as video memory, or other small memory systems such as a frame buffer for a display adapter.  SRAM modules are sold in a wide variety of configurations, and vary according to speed, pin configuration, and power consumption characteristics.

SRAM Types

SRAM modules can be used to upgrade the system cache in an older computer to store larger amounts of data, or to allow the microprocessor to access other memory sources than the hard disk, making high speed access possible. There are different types of SRAM modules, including:

  • Asynchronous static RAM- Asynchronous RAM was the first type of RAM, and is usually used to offer an inexpensive memory or speed upgrade to older machines.
  • Synchronous burst static RAM-Synchronous burst static RAM is expensive but very fast.

  • Pipeline-burst static RAM (PBSRAM)- Pipeline-burst static RAM is the most commonly used static RAM today. After the first round of access, it is designed to allow subsequent access cycles to require fewer machine cycles, allowing for a greater throughput of data.

SRAM Applications

SRAM memory modules are qualified as volatile memory, meaning that they can retain the information stored only as long as the power is turned on. Once the power is turned off, the SRAM memory modules lose the data stored there. Non-volatile memory such as a Flash can retain the information stored on them without power. Flash memory is very useful in electronic devices that are turned on and off frequently and yet still need to retain the information stored on them, such as digital cameras and video recorders. A digital camera memory chip can store a large amount of data over time, as well as remember settings and other programmable functions. Flash memory devices also include flash drives, thumb drives, or universal serial bus (USB) key drives. A USB memory chip is typically a circuit board with a Flash memory chip wired to a USB connector encased in a plastic housing.

Related Products & Services

  • DRAM and SDRAM Memory Chips

    Dynamic random access memory (DRAM) chips are single-transistor memory cells that use small capacitors to store each bit of memory in an addressable format that consists of rows and columns. Because capacitors are unable to hold a charge indefinitely, DRAM memory chips require a near-constant pulse of current to retain stored information.


    Electrically erasable programmable read-only memory (EEPROM) chips are similar to PROM devices, but require only electricity to be erased.


    Erasable programmable read-only memory (EPROM) chips are programmable, reusable computer chips that can be erased using ultraviolet light and reprogrammed with a PROM programmer or PROM burner.

  • FIFO Memory

    First-in, first-out (FIFO) memory chips are used in buffering applications between devices that operate at different speeds or in applications where data must be stored temporarily for further processing.

  • FLASH Memory Chips

    FLASH memory chips offer extremely fast access times, low power consumption, and relative immunity to severe shock or vibration. They do not need a constant power supply to retain their data. 

  • Memory Chips

    Memory chips are internal storage areas in computers. Although the term "memory chip" commonly refers to a computer's random access memory (RAM), this product area includes many different types of electronic data storage. Computer memory stores data electronically in cells. Without memory chips, a computer could not read programs or retain data.

  • SRAM Memory Chips

    Static random access memory (SRAM) chips do not need to be refreshed like DRAM chips. This makes SRAM chips faster and more reliable.

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