New from GD Technik is the DIMMDrive, a high-performance Flash memory module made by White Electronic Design.
News Release from: GD Technik
Edited by the Electronicstalk Editorial Team on 28 August 2002
New from GD Technik is the DIMMDrive, a high-performance Flash memory module made by White Electronic Design. The DimmDrive WED7GxxxATA33 single-chip Flash memory module provides a very cost-effective solution compared with traditional hard disk media, with the unit providing high memory density, compact space saving design, easy programming and low power consumption. This makes it ideally suited to applications such as embedded systems, Internet access and point-of-sales equipment.
The WED7GxxxATA33 module, available in a 144-pin SO-DIMM package, is based on SanDisk NAND Flash technology and uses 128Mbit, 256Mbit, 512Mbit or 1Gbit memory components to provide the maximum in memory density.
Its SanDisk Flash chipset controller is specifically designed for use as a Flash mass storage controller for SanDisk memory devices.
This interface allows a host computer to issue commands to read or write blocks of memory in the Flash memory array.
The intelligence to manage the interface protocols, data storage and retrieval, as well as ECC, defect handling and diagnostics, are controlled by this device.
In addition the controller handles automatic power management and clock control.
The WED7GxxxATA33 offers equivalent functionality to that of an intelligent ATA (IDE) disk drive.
A major advantage provided by the onboard Flash controller and its ATA command set, is the ease of software development.
Once the module has been configured by the user, it appears to the host as a standard ATA disk drive.
Unlike standard IDE drives, no cables or extra space are required.
The module has no moving parts providing significant reduction in power consumption and increasing reliability.
The device's onboard controller is a highly integrated solution and is designed to handle all intelligent operations, even the rare cases when new defects arise and need to be mapped out or replaced by a spare.
The hardware performs the complicated task of ECC detection and correction and will return good data to the host.
The controller manages all defects and errors and makes the Flash memory appear as perfect memory to the host.
The module is available in both commercial, 0 to 70C, and industrial, -40 to +85C, temperature ranges.
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