电子工程专辑

一文读懂DDR内存基础知识｜值得收藏

无论对于芯片设计商还是器件制造商来说，DDR内存可谓是无处不在——除了在服务器、工作站和台式机中之外，还会内置在消费类电子产品、汽车和其他系统设计中。每一代新的 DDR（双倍数据速率）SDRAM（同步动态随机内存）标准都会在许多方面带来显著改进 ...
电子工程专辑

基于 ANSYS 的 DDR4 SDRAM 信号完整性仿真方法研究

半导体技术快速发展，双倍数据速率同步动态随机存取存储器（Double Data Rata Synchronous Dynamic Random Access Memory, DDR SDRAM）的信号完整性问题已成为设计难点。文中提出了一种基于 ANSYS 软件和 IBIS 5.0 模型的 DDR4 SDRAM 信号完整性仿真方法。利用 IBIS 5.0 模型中增加的 ...
EDN

512-Mbit Mobile DDR SDRAM delivers 185-MHz clock speed

Seoul, South Korea—Hynix Semiconductor Inc. has developed what it claims is the industry's fastest 512-Mbit mobile DDR SDRAM with a clock speed of 185-MHz. The ...
中关村在线

读写速度大飞跃 主流内存发展历程回顾

SIMM的成功证明了内存可更换设计师非常有必要的，所以内存规格在保持可更换设计的同时需要进一步改进，所以我们看到了新的内存规范：SDRAM。而第一代SDRAM被称为SDR SDRAM（Single Data Rate SDRAM）。 SDRAM为内存带来的新的生机，其64bit的带宽与当时处理器 ...
中关村在线

高手进阶！终极内存技术指南

差分时钟（参见上文“DDRSDRAM读操作时序图”）是DDR的一个必要设计，但CK#的作用，并不能理解为第二个触发时钟（你可以在讲述DDR原理时简单地这么比喻），而是起到触发时钟校准的作用。由于数据是在CK的上下沿触发，造成传输周期缩短了一半，因此必须要 ...
EDN

1 GB High Speed CMOS DDR SDRAM

Alliance Memory introduced its new 1 Gb high-speed CMOS DDR SDRAM in 128 x 8 configuration in the 66-pin TSOP II package. It is offered in an industrial temperature range from -40°C to +85°C and ...
Design-Reuse

LSI Logic DDR interface core delivers up to 400Mb/s for high-speed DDR SDRAM applications

Pre-designed interface core now available to simplify ASIC interfaces to DDR SDRAM Ideal for storage, computing, printer, and communications applications MILPITAS, Calif., October 8, 2002 – LSI ...
Design-Reuse

Lattice Announces Immediate Availability of DDR SDRAM Controller IP Core for LatticeECP and ...

Pipelined Intellectual Property Core Validated In-System At 200MHz/400DDR; Designed For High-Speed Operation Using Embedded DDR Support In LatticeECP/LatticeEC FPGA Devices The Double Data Rate (DDR) ...
Electronic Design

DDR FCRAM Boosts Performance In DDR SDRAM Designs

A modified form of synchronous DRAM technology, double-data-rate, fast-cycle random access memory (DDR FCRAM) is primarily focused at the networking market segment. Yet due to its high performance, it ...
Business Insider

Alliance Memory Introduces New 1Gb High-Speed CMOS DDR SDRAM in 128M x 8 Configuration

SAN CARLOS, Calif., April 26, 2017 (GLOBE NEWSWIRE) -- Alliance Memory today introduced a new 1Gb high-speed CMOS double data rate synchronous DRAM (DDR SDRAM) in the 66-pin TSOP II package. Offered ...
Ars Technica

Performance: DDR latency vs. DDR clock speed

From Mushkin:<BR><BLOCKQUOTE class="ip-ubbcode-quote"><font size="-1">quote:</font><HR>PC2400 DDR uses DDR-266a chips. The DDR-266a chips are the fastest bin rated ...
Taiwan News

DDR SDRAM Market Outlook, Analysis by Memory Type, Processor, Verticals, and Regional ...

The global DDR SDRAM market was valued at USD 1.77 billion in 2023 and is anticipated to grow with a CAGR of 18.3% over the forecast period 2024-2032. DDR SDRAM (Double Data Rate Synchronous Dynamic ...