【产品】AS4C128M8D3L系列128M x 8 bit DDR3L同步DRAM (SDRAM)，总容量可达1Gb
ALLIANCE Memory公司推出的AS4C128M8D3L是一款高速DDR3L同步动态随机存取存储器（DRAM）,其总容量可达1Gb，由8组DRAM内存构成，结构为16Mbit x 8 I/Os x 8组DRAM。该芯片采用双倍数据速率架构，可实现高速运行。对于一般应用，其可实现高达1600 Mb / sec / pin的高速双数据传输速率。
该芯片的设计符合所有关键的DDR3L DRAM主要特性，所有控制和地址输入均与一对外部提供的差分时钟同步。输入被锁存在差分时钟的交叉点（CK上升和CK＃下降）。所有I / O都以源同步方式与差分DQS对同步。该产品采用1.35V -0.067V / + 0.1V单电源供电，采用BGA封装。
AS4C128M8D3L系列DDR3L同步DRAM (SDRAM)特征:
JEDEC标准兼容
电源：VDD和VDDQ = + 1.35V
向后兼容电压：VDD和VDDQ = 1.5V +/- 0.075V
工作温度：
- 商业（0~95°C）
- 工业（-40~95°C）
支持JEDEC时钟抖动规范
完全同步操作
快速时钟频率：800MHz
差分时钟，CK和CK＃
双向差分数据选通
- DQS＆DQS＃
8个内部bank并行运行
8n位预取架构
内部流水线架构
预充电和主动断电
可编程模式和扩展模式寄存器
附加延迟（AL）：0，CL-1，CL-2
可编程突发长度：4,8
突发类型：顺序/交错
输出驱动器阻抗控制
8192个刷新周期/ 64ms
- 平均刷新周期
7.8μs@ -40℃≤TC≤+ 85℃
3.9μs@ + 85℃<TC≦+ 95℃
写入均衡
OCD校准
动态ODT（Rtt_Nom和Rtt_WR）
符合RoHS标准
自动刷新和自我刷新
78-ball 8 x 10.5 x 1.2mm FBGA封装
无铅和无卤素
表1 速率等级
表2 订购信息（AS4C128M8D3L-12BCN，AS4C128M8D3L-12BIN）
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ALLIANCE 存储器选型表
提供存储器、存储芯片、SRAM、SDRAM、DDR1、DDR2、DDR3、DDR4选型，VCC(V)：0.6-5，MSL LEVEL：0-5，CLOCK(MHz)：133-1866，可支持商业级/工业级/汽车级。
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产品型号
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品类
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Product Family
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DENSITY
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ORGANISATION
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VCC(V)
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TEMPERATURE RANGE(°C)
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PACKAGE
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MSL LEVEL
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AS7C164A-15JCN
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存储器
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FAST-Asynch
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64K Fast
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8K x 8
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5V
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Commercial (0 ~ 70°C)
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28pin SOJ(300mil)
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3
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选型表 - ALLIANCE 立即选型
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提供7~27寸工控机定制，支持嵌⼊式/ 壁挂式 /桌⾯式/悬挂式等安装方式，采用纯平⾯板IP65防尘防⽔等级，莫⽒7级硬度触摸屏，兼容多种操作系统：组态软件/安卓/XP/win7/8/10/Linux等，支持主板、接⼝、外观、⽀架、刷卡器、⾝份证阅读器、LOGO、⻨克⻛、系统、电池、蓝⽛、4G/5G、摄像头、GPS系统、⼆维码扫描器、指纹等特殊应⽤场景定制
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可定制射频隔离器/环行器（10M-40GHz），双工器/三工器（30MHz/850MHz-20GHz），滤波器（DC-20GHz），功分器，同轴负载，同轴衰减器等射频器件；可定制频率覆盖DC~110GHz，功率最高20KW。
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