MBIST---PATR1

MB是指内存内置自检测，即Memory Built-in Self Test。它是一种在芯片设计中常用的技术，用于测试内存的正确性和可靠性。MBIST的PATR1是指MBIST的第一个部分，其中包含了TAP、TMB、BAP、SIB和Mem Interface等组件。TAP是指ijtag相关内容，是一个标准接口；TMB是Mem bist controller，包含了做mem test的所有的信号的generator，可控制多块mem；BAP是bist access port，提供控制信号给到TMB，收集TMB中的GO/DONE信号；SIB是Segment insertion bit，类似一个开门的钥匙，用于信号shift和update，增加灵活性；而Mem Interface则是mem controller和mem之间的接口，用于数据之间的传递。在MBIST的PATR1中，TMB包含了FSM，通过控制信号来进行配置和控制测试过程，同时还有信号生成和数据比对的功能。MBIST的PATR1的设计中，COMP组件在MEM interface中和TMB中都存在，具体如何放置取决于设计需求和优缺点的权衡。<span class="em">1</span><span class="em">2</span><span class="em">3</span>
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