SRAM Memory Chips Information on GlobalSpec

SRAM memory chips 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 chips, SRAM memory chips do not need to be refreshed in order to prevent data loss; however, SRAM requires more power than DRAM.

SRAM memory chips are integrated circuits (ICs) made of millions of microscopic transistors and capacitors. SRAM memory chips consist of four transistors formed into two cross-coupled inverters. This configuration allows an SRAM memory chip to store bits as long as the computer is powered.

Some SRAM memory chips can be used as built-in chip memory devices, such as a computer or laptop memory chip. Others are used in removable memory devices, such as a memory card. An SRAM memory card can be added to a computer or personal digital assistant (PDA) to extend the device’s memory capability or to back up files or programs.

SRAM memory chips 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 chips lose the data stored there. Non-volatile memory chips, such as a Flash memory chip, can retain the information stored on them without power. Flash memory chips are 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.

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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.

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 Modules

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

Replacing SRAM with FRAM
Ramtron offers three FRAM devices that are pin compatible with industry standard bytewide (x8) SRAMs. The FM1608 is an 8Kx8 and the FM1808 and FM18L08 are 32Kx8 devices, all of which may be used as...
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Cache
Cache is a special memory subsystem in which frequently used data values are duplicated for quick access. A memory cache stores the contents of frequently accessed RAM locations and the addresses...
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Fujitsu and MoSys Tie Technology License for 1T-SRAM-Q... MoSys' licensees have shipped more than 50 million chips incorporating 1T-SRAM embedded memory, demonstrating the excellent manufacturability of the See Fujitsu Limited Information
Read-only memory - Wikipedia, the free encyclopedia Forms of read-only memory were employed as non-volatile storage for programs in most early stored-program computers, such as ENIAC after 1948 (until
SAMSUNG Semiconductor - Products - DRAM - Graphics Memory K6 (Async Fast SRAM) K7 (Sync SRAM) K8 (NOR Flash)

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Part Numbers for SRAM Memory Chips

Part #	Distributor	Manufacturer	Product Category	Description
DS1201	Digi-Key	Maxim Integrated Products	Integrated Circuits (ICs)	IC SRAM CHIP 12BIT 100NS 5SIP
DS1200	Digi-Key	Maxim Integrated Products	Integrated Circuits (ICs)	IC SRAM CHIP 1K X 1 10-DIP
DS1201N	Digi-Key	Maxim Integrated Products	Integrated Circuits (ICs)	IC SRAM CHIP READ/WRITE MEMORY
DSP56311VL150	Newark	FREESCALE SEMICONDUCTOR	DSPs	Digital Signal Processor (DSP) IC; Series:DSP56300; DSP Type:Fixed Point; MMAC:150; Core Frequency Typ:150MHz; Memory Size, RAM:128KB; Cache Memory On Chip L1/L2:1KB; External Memory Supported:DRAM,SRAM; Interface:SCI, SPI RoHS Compliant: Yes

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SRAM Memory Chips

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Part Numbers for SRAM Memory Chips

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