Information about FLASH Memory Chips

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About FLASH Memory Chips

Flash memory chips are electrically erasable, programmable, read-only memory (EEPROM) chips that can be erased and reprogrammed in blocks instead of one byte at a time. Because they are non-volatile, Flash memory chips do not need a constant power supply to retain their data. Flash memory chips offer extremely fast access times, low power consumption, and relative immunity to severe shock or vibration. They have a lifespan of approximately 100,000 write cycles - a fact that makes Flash unsuitable for use as computer main memory. Typically, Flash memory chips are used in portable or compact devices such as digital cameras, cell phones, pagers, and scanners. Flash memory chips are also used as solid-state disks in laptops and as memory cards for video game consoles.

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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.

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

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: FLASH Memory Chips - Machine Design

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Coming to a computer near you: Magnetic Memory \| Machine... Goodbye to Flash? Right now, the best in nonvolatile semiconductor memory is Flash. Coming to a computer near you: Magnetic Memory
Bigger Role for 16-bit Chips \| Machine Design Bigger role for 16-bit chips Jim Sibigtroth, Applications Manager Jim Williams, 16-Bit Bigger Role for 16-bit Chips February 20, 2003
Microcontrollers \| Machine Design PIC24F microcontrollers now include devices with 28 or 44 pins, 16 to 64 kbyte of Flash memory, and up to 8-kbyte RAM.

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