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【应用笔记】在Stratix和Stratix GX器件中使用外部串行和并行终端(Using External Series and Parallel Termination with Stratix and Stratix GX Devices)
本文档的目的是：指导你如何使用Stratix和Stratix GX器件实现外部串行和并行终端。
The purpose of this document is to give you direction on how to
implement external series and parallel termination using Stratix™ and
Stratix™ GX devices. A representative implementation with 200 MHz
(400 Mbps) double data rate (DDR) memory Dual In-line Memory
Module (DIMM) interface is described in detail in this document. The
document provides schematics, corresponding layout, signal integrity
simulations and lab correlation for the same. A recommendation for small
form factor resistor packs with budgetary pricing is also provided.
an336.pdf