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What is DRAM?

DRAM, or dynamic random access memory, is a type of RAM (random access memory) which stores each bit of data into a separate capacitor in an integrated circuit. The capacitor can be discharged or charged and these two states represent the two values of a bit (0 and 1). It is the most common kind of RAM for PCs and workstations. With random access memory, a processor can directly access any part of the memory instead of proceeding sequentially from a given starting place. DRAM is ‘‘dynamic’’ because contrary to SRAM, or static RAM, the storage cells of DRAM need to be refreshed or given an electronic charge periodically due to charge leaks in capacitors. The advantage of DRAM resides in its simplicity: only one capacitor and one transistor are required per bit, instead of four or six transistors in SRAM.

Types of DRAMs

There are several different kinds of DRAM chips at Future Electronics. We stock many of the most common types categorized by several parameters including memory density, configuration, nominal supply voltage, CAS latency, speed grade and packaging type. Our parametric filters will allow you to refine your search results according to the required specifications.

DRAMs from Future Electronics

Future Electronics has a wide range of DRAMs from several chip manufacturers that can be used for a DRAM memory cell or any other types of dynamic random access memories. Once you decide if you need a component DRAM or a module DRAM, you will be able to choose from their technical attributes and your search results will be narrowed to match your specific DRAM application needs.

We deal with several manufacturers such as Alliance Memory Inc, Centon Electronics Inc., Renesas Electronics, Samsung or Unigen. You can easily refine your DRAM product search results by clicking your preferred DRAM brand from the list of manufacturers below.

Applications for DRAMs:

DRAM memories are high volume memories. Some DRAMs have high speed interfaces such as DDR and DDRII SDRAM, and some have speed enhancing internal architectures. DRAMs with low power internal design techniques are used in battery operated systems. Some DRAM memories are also used for graphics enhancements like high speed point-to-point interfaces as well as several internal graphics functions. DRAMs can also be used in networking and battery operated synchronous and asynchronous applications. The main memory (the random access memory) in personal computers is DRAM. DRAM is also the type of RAM used in workstations and laptop computers as well as some video game consoles.

Choosing the Right DRAM:

With the FutureElectronics.com parametric search, when looking for the right DRAMs, you can filter the results by category. We carry the following categories of DRAMs:

  • Component DRAM
  • Module DRAM

Once you choose the DRAM category, you can narrow them down by various attributes: by memory density, configuration, speed grade, nominal supply voltage and CAS latency to name a few. You will be able to find the right DRAM chip for a DRAM memory cell as well as other types of dynamic random access memories.

DRAMs in Production Ready Packaging or R&D Quantities

If the quantity of DRAMs you require is less than a full reel, we offer to our customers several of our programmable DRAMs in tray, tube or individual quantities that will help you avoid unneeded surplus.

Future Electronics also offers its clients a unique bonded inventory program designed to eliminate potential problems that may arise from an unpredictable supply of products that could contain raw metals and products with erratic or long lead times. Talk with your nearest Future Electronics branch and find out more on how you and your company can avoid possible shortages.




Featured DRAM Products


Manufacturer Part Number Description
Alliance Memory Inc AS4C16M16S-7TCN AS4C4M16S 256 Mb 16 M x 16 143 MHz High-speed CMOS Synchronous DRAM -TSOP II-54
Alliance Memory Inc AS4C8M16S-7TCN AS4C8M16S128 Mb (8 M x 16) 143 MHz High-speed CMOS Synchronous DRAM - TSOP II-54
Alliance Memory Inc AS4C8M16S-6TIN AS4C8M16S 128 Mb (8 M x 16)166 MHz High-speed CMOS Synchronous DRAM -TSOP II-54
Alliance Memory Inc AS4C4M16S-6TIN AS4C4M16S 64 Mb (4 M x 16)166 MHz High-speed CMOS Synchronous DRAM -TSOP II-54
Alliance Memory Inc AS4C16M16S-6TIN AS4C16M16S 256 Mb (16 M x 16)166 MHz High-speed CMOS Synchronous DRAM-TSOP II-54
Centon Electronics Inc M0697.01 M0 Series 512 MB (64 M X 64) CL3 DDR DIMM SDRAM - TSSOP-66
Centon Electronics Inc CMP266PC1024.01 CMP266PC 1 GB (64M x 8) 2.5 V Unbuffered 184 Pin DDR DIMM Memory
Centon Electronics Inc CMP266PC512.01 CMP266PC 512 MB (32M x 8) 2.5 V Unbuffered 184 Pin DDR DIMM Memory
Centon Electronics Inc CMP266RD1024.01 CMP266RD 1 GB (128M x 4) 2.5 V Registered 184 Pin DDR DIMM Memory-Server
Centon Electronics Inc CMP266RD2048.01 CMP266RD 2 GB (128M x 4) 2.5 V Registered 184 Pin DDR DIMM Memory-Server
Centon Electronics Inc CMP333PC1024.01 CMP333PC 1 GB (64M x 8) 2.5 V Unbuffered 184 Pin DDR DIMM Memory
Centon Electronics Inc CMP333PC256.01 CMP333PC 256 MB (32M x 8) 2.5 V Unbuffered 184 Pin DDR DIMM Memory
Centon Electronics Inc CMP333PC512.01 CMP333PC 512 MB (64M x 8) 2.5 V Unbuffered 184 Pin DDR DIMM Memory
Centon Electronics Inc CMP333RD1024.02 CMP333RD 1 GB (128M x 4) 2.5 V Registered 184 Pin DDR DIMM Memory-Server
Centon Electronics Inc CMP333RD2048.01 CMP333RD 2 GB (128M x 4) 2.5 V Registered 184 Pin DDR DIMM Memory-Server
Centon Electronics Inc CMP333RD512.01 CMP333RD 512 MB (320 x 8) 2.5 V Registered 184 Pin DDR DIMM Memory
Centon Electronics Inc M0635.01 M0819.01 Series 128 Mb 3.3 V 16 M x 16 Synchronous Dynamic RAM Memory Module
Centon Electronics Inc M0819.01 M0819.01 Series 128 Mb 3.3 V 16 M x 16 Synchronous Dynamic RAM Memory Module
Renesas Electronics UPD48288218FF-E33-DW1-A UPD48288218 Series 288 Mbit (16 M x 18) 400 MHz Low Latency DRAM - TFBGA-144
Renesas Electronics UPD48288218FF-E33-DW1-SSA UPD48288218 Series 288 Mbit (16 M x 18) 400 MHz Low Latency DRAM - TFBGA-144
Renesas Electronics UPD48288236FF-E33-DW1 UPD48288236 Series 288 Mbit (8 M x 36) 400 MHz Low Latency DRAM - TFBGA-144
Renesas Electronics UPD48288236FF-E33-DW1-SSA UPD48288236 Series 288 Mbit (8 M x 36) 400 MHz Low Latency DRAM - TFBGA-144
Samsung K4S641632N-LC75T00 64M (4Mx16) SDRAM, TSOP, 133MHz
Samsung CY7C024-15AXC CY7C024 Series 64 kbit (4 K x 16) 5 V 15 ns Dual-Port Static RAM -TQFP-100
Unigen UG0128D7488LM-DH 1 GB, 128 M x 72, DDR SDRAM DIM

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