Information about Memory Chips

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About 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.

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DRAM 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.

EEPROM

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

EPROM

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.

SRAM Memory Chips

SRAM chips use static random access memory (SRAM), a type of memory that is faster, more reliable, and more expensive than DRAM. Unlike DRAM, SRAM does not need to be refreshed in order to prevent data loss; however, SRAM requires more power than DRAM.

SRAM Modules

SRAM modules are collections of static random access memory (SRAM) chips assembled on circuit boards.

Engineering Web: Memory Chips - Machine Design

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Coming to a computer near you: Magnetic Memory \| Machine... DRAM chips hold more memory than similarly sized SRAMs because a capacitortakes up less space than the transistors thatmake up a flip-flop.
45-nm chips on the way \| Machine Design 45-nm chips on the way March 9, 2006 Stephen J. Mraz
Self-testing chips take a load off ATE \| Machine Design often forces chipmakers into trade-offs between completely checking out chips and making bigger investments in ATE. Suppose, for example, that 10,000

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