电子工程专辑

Elpida发布第二代1Gbit DDR2 SDRAM产品

Elpida Memory日前发布其第二代1Gbit DDR2 SDRAM产品以及基于该器件的6款存储器模块。 Elpida Memory日前发布其第二代1Gbit DDR2 SDRAM产品以及基于该器件的6款存储器模块。 该x16器件采用90nm工艺制造，能为数字消费电子产品提供更宽的数据传输通道。这种1Gbit DDR2 SDRAM ...
腾讯网

更大更快！回顾DDR内存的前世今生，一代更比一代强

如果你问你身边的亲朋好友有关电脑的硬件知识时，他们或许会不熟悉显卡的各类型号，又或者在看到CPU的各种数字型号时一头雾水，问起机械硬盘和固态硬盘的区别时可能也说不上什么。但是有关内存，大家或多或少都听过一点点，至少知道这个东西肯定是越 ...
新浪网

DIY菜鸟宝典 从内存颗粒谈DDR2内存选购

随着P965、Socket AM2平台的逐渐普及，主流DDR2内存规格再次升级、DDR2内存取代DDR已经是不争的事实了，所以目前欲组建主流PC平台的朋友都一切向DDR2平台看齐。由于一条完整的内存条是由PCB板、SPD芯片和内存颗粒构成的，其中以颗粒最为重要，内存的容量、频率等 ...
OFweek维科网

一文了解存储器DDR发展史

存储器的主要功能是存储程序和各种数据,并能在计算机运行过程中高速、自动地完成程序或数据的存取。本次给大家介绍存储器的发展历程。 首先,要了解一下存储的基础部分:ROM和RAM。 RAM:随机存取存储器(random access memory)又称作"随机存储器",是与CPU直接交换数据 ...
新浪网

DDR隐退DDR2意气风发 2006内存技术发展动态

长久以来CPU对计算机的性能起着决定性的作用，但同时内存也是不可或缺的，它肩负着为处理器的高速运算提供数据资料中转、暂存的重任，再快的CPU没有适合的高速内存配合，实力也要大打折扣，所以说内存是系统性能和稳定性的关键部件绝不为过。 随着技术 ...
Design-Reuse

Beyond DDR2 400: Physical Implementation Challenges in Your SoC Design

High performance DDR2 SDRAM is an increasingly common memory solution for designs requiring improved data bandwidth capabilities, lower power, and enhanced signaling features. However, the benefits of ...
Design-Reuse

eInfochips announces DDR2 SDRAM SystemVerilog & VMM based Memory Model Generator Tool

GUI based tool targeted to reduce verification time and maximize memory coverage Ahmedabad -- June 2, 2009 -- eInfochips, Inc., a leading IP driven ASIC/FPGA/SoC, Embedded Systems & Software design ...
Ars Technica

MetaRAM quadruples DDR2 DIMM capacities, launches 8GB DIMMs

Since its launch in January 2006, the only thing that has been publicly known about former AMD CTO Fred Weber's new venture is its name: MetaRAM. Clearly, the stealth-mode company was working on ...
EDN

Implementing custom DDR and DDR2 SDRAM external memory interfaces in FPGAs (part 2)

Note: This is the second part of a two-part article covers the remaining steps to implement DDR or DDR2 external memory interfaces (EMIFs) using FPGAs via ALTDLL and ALTDQ_DQS megafunctions. Steps 4 ” ...
EDN

Designing DDR3 SDRAM controllers with today’s FPGAs

The recently introduced DDR3 SDRAM technology paves the way to higher data rates (from 800 Mbps to 1600 Mbps) and provides higher performance for many systems that depend on data, video, or packet ...