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DRAM - Memory Manufacturers

DRAM is a type of RAM that maintains its content only as long as the data stored in the device is refreshed at regular intervals.
DRAM requires a refresh cycle every few milliseconds in order to retain its data. The data is stored in a capacitor which slowly leaks, the refresh cycle re-charges the capacitor.
DRAM is cheaper than SRAM but DRAM is slower because of the longer access times.
Many of the different types of DRAM are listed below, followed by a list of manufacturers.

RAM........Random Access Memory
....MRAM:................Magnetoresistive RAM
DRAM.....Dynamic Random Access Memory (requires Refresh)
....FPM:....................Fast Page Mode
....FCRAM:...............Fast Cycle Random Access Memory
....EDO:....................Extended Data Out
....BEDO:..................Burst EDO
....SDRAM:..............Synchronous DRAM
....ESDRAM:............Enhanced SDRAM
....RDRAM:..............Rambus DRAM
....SLDRAM:............Synchronous-Link DRAM
....DDR SDRAM:.....Double Data Rate SDRAM (Dual Edge Rate)
....DDR2 SDRAM:....Double Data Rate SDRAM II (Quad Edge Rate)



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Elite Semiconductor Memory Technology Inc. 'ESMT' {SDRAM-DDR SDRAM-EDO DRAM-SGRAM IC Manufacturer}

Etron Technology Inc. {DRAM-SDRAM-SGDRAM ICs}

Fujitsu Microelectronics Inc. {SDRAM - DRAM IC Manufacturer}

Integrated Silicon Solutions Inc. 'ISSI' {DRAM IC Manufacturer}

Micron {SDRAM-SGRAM-SLDRAM-DDR SDRAM}

Mitsubishi Electronics America Inc. {DRAM-SDRAM IC Manufacturer}

Nanya Technology Corp. {DRAM-SDRAM-EDO-FPM-DDR SDRAM}

NEC {SDRAM-RDRAM-DDR SDRAM-VC DRAM}

Panasonic Industrial Co. {DRAM IC Manufacturer}

Rambus Corp. {RDRAM IC Manufacturer}

Renesas Technology Corp

Rochester Electronics {Discontinued Memory IC Vendor}

Samsung Semiconductor Inc. {SDRAM-DDR SDRAM-RAMbus DRAM-EDO Fast page DRAM}

Toshiba America Electronic Components Inc. {SGRAM, DRAM, FCRAM}

Vanguard International Semiconductor 'VIS' {SDRAM - DRAM ICs}

Virtium Technology, Inc. Semiconductor {SDRAM, DDR, DDR2}

White Electronic Designs Corp. 'Microsemi' {DRAM - SDRAM}

IC DDR Chip
HY5DU121622

This is a general listing of IC Memory manufacturers. The types of products or devices they produce are listed under the company name, in alphabetic order. The listing is subdivided into DRAM Memory Manufacturers, SRAM Memory Manufacturers, RAM - Memory Manufacturers [other], FLASH Memory Manufacturers, EPROM Memory Manufacturers, EEPROM Memory Manufacturers, and PROM / ROM Memory Manufacturers. Below is a listing of companies manufacturing the different memory types.


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Modified 3/07/12
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