公开(公告)号：US06924663B2

公开(公告)日：2005-08-02

申请号：US10327653

申请日：2002-12-24

申请人： Shoichi Masui ,  Michiya Oura ,  Tsuzumi Ninomiya ,  Wataru Yokozeki ,  Kenji Mukaida

发明人： Shoichi Masui ,  Michiya Oura ,  Tsuzumi Ninomiya ,  Wataru Yokozeki ,  Kenji Mukaida

IPC分类号： G06F21/76 ,  G06F21/79 ,  G11C8/20 ,  H03K19/177 ,  H03K19/173 ,  G11C7/00

CPC分类号： G06F21/76 ,  G06F21/79 ,  G11C8/20 ,  H03K19/17752 ,  H03K19/17756 ,  H03K19/1776 ,  H03K19/17768 ,  H03K19/17772 ,  H03K19/17776 ,  H03K19/1778

摘要： A programmable logic device with ferroelectric configuration memories storing multiple configuration data sets. The device has programmable logic blocks, interconnections, and I/O blocks to provide desired logic functions. Those building blocks can be dynamically reconfigured by changing the selection of configuration data stored in the device's integral configuration memories. The configuration memories are divided into groups, so that they can be loaded concurrently with multiple configuration data streams. To protect the content of configuration memories from unauthorized access, the device employs an authentication mechanism that uses security IDs stored in the configuration memories. The device has a memory controller to provide an appropriate power supply sequence for ferroelectric memory cells to ensure the reliable data retention when the device is powered up or shut down.

摘要翻译： 具有存储多个配置数据集的铁电配置存储器的可编程逻辑器件。 该器件具有可编程逻辑块，互连和I / O块，以提供所需的逻辑功能。 可以通过改变存储在设备的整体配置存储器中的配置数据的选择来动态地重构这些构建块。 配置存储器被分成组，使得它们可以与多个配置数据流同时加载。 为了保护配置存储器的内容免受未经授权的访问，设备采用使用存储在配置存储器中的安全ID的认证机制。 该器件具有存储器控制器，以为铁电存储器单元提供适当的电源序列，以确保在器件上电或关闭时可靠的数据保持。