北京大学：《集成电路原理与设计 Principle of Integrated Circuits》课程电子教案（数字集成电路原理与设计）chap7-1 第七章 MOS存储器 7.1 MOS存储器结构

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1 第七章 MOS存储器 7.1 MOS存储器结构 Generated by Foxit PDF Creator © Foxit Software http://www.foxitsoftware.com For evaluation only

Generated by Foxit PDF Creator Foxit Soft ttp//www.foxitsoftware.comForevaluation 计算机组成 MEMORY CONTROL DATAPATH ■存储器是数字系统中重要的组成部分,直接影响着系 统的面积,速度和功耗

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Generated by Foxit PDF Creator Foxit Software ttp//www.foxitsoftware.comForevaluationonly 存储器层次 口速度(带宽)与成本的折中 On-Chip components Control eDRAM Second Secondary Main Memot 回l Level Datapath T Cache Memory (Disk) (SRAM) (DRAM) a Speed(ns): . 1s 10’s 100’s 1.000s Size(bytes): 100s Ks 10Ks Ms Ts Cost lowest

3 Second Level Cache (SRAM) 存储器层次 Control Datapath Secondary Memory (Disk) On-Chip Components RegFile Main Memory (DRAM) Data Cache Instr Cache ITLB DTLB eDRAM Speed (ns): .1’s 1’s 10’s 100’s 1,000’s Size (bytes): 100’s K’s 10K’s M’s T’s Cost: highest lowest 速度（带宽）与成本的折中 Generated by Foxit PDF Creator © Foxit Software http://www.foxitsoftware.com For evaluation only

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