存储器型号对照表
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常见存储器:RAM,SRAM,SSRAM、DRAM,SDRAM,DDRSDRAM、ROM,。
1、什么是存储器 存储器单元实际上是时序逻辑电路的⼀种,是许多存储单元的集合,按单元号顺序排列。
每个单元由若⼲三进制位构成,以表⽰存储单元中存放的数值,这种结构和数组的结构⾮常相似,故在VHDL语⾔中,通常由数组描述存储器。
存储器(Memory)是计算机系统中的记忆设备,⽤来存放程序和数据信息。
计算机中全部信息,包括输⼊的原始数据、计算机程序、中间运⾏结果和最终运⾏结果都保存在存储器中。
它根据控制器指定的位置存⼊和取出信息。
有了存储器,计算机才有记忆功能,才能保证正常⼯作。
2、存储器的分类 构成存储器的存储介质主要采⽤半导体器件和磁性材料。
存储器中最⼩的存储单位就是⼀个双稳态半导体电路或⼀个CMOS晶体管或磁性材料的存储元,它可存储⼀个⼆进制代码。
由若⼲个存储元组成⼀个存储单元,然后再由许多存储单元组成⼀个存储器。
根据存储材料的性能及使⽤⽅法的不同,存储器有⼏种不同的分类⽅法: (1)按存储介质分类 半导体存储器:⽤半导体器件组成的存储器。
磁表⾯存储器:⽤磁性材料做成的存储器。
(2)按存储⽅式分类 随机存储器:任何存储单元的内容都能被随机存取,且存取时间和存储单元的物理位置⽆关。
顺序存储器:只能按某种顺序来存取,存取时间与存储单元的物理位置有关。
(3)按存储器的读写功能分类 只读存储器(ROM):存储的内容是固定不变的,它是只能读出⽽不能写⼊的半导体存储器,在制造ROM的时候,信息(数据或程序)就被存⼊并永久保存。
当电源关闭时,ROM仍然可以保存数据,不会丢失。
ROM⼀般⽤于存放计算机的基本程序和数据,如BIOS ROM。
其物理外形⼀般是双列直插式(DIP)的集成块。
随机读写存储器(RAM):既能读出⼜能写⼊的半导体存储器。
当电源关闭时,存于RAM中的数据会丢失。
我们通常购买或升级的内存条就是⽤作电脑的内存,内存条(SIMM)就是将RAM集成块集中在⼀起的⼀⼩块电路板,它插在计算机中的内存插槽上,以减少RAM集成块占⽤的空间。
RAM、SRAM、SDRAM、ROM、EPROM、EEPROM、Flash等常见存储器概念辨析常见存储器概念辨析:RAM、SRAM、SDRAM、ROM、EPROM、EEPROM、Flash存储器可以分为很多种类,其中根据掉电数据是否丢失可以分为RAM(随机存取存储器)和ROM(只读存储器),其中RAM的访问速度比较快,但掉电后数据会丢失,而ROM掉电后数据不会丢失。
ROM和RAM指的都是半导体存储器,ROM是Read Only Memory的缩写,RAM是Random Access Memory的缩写。
ROM在系统停止供电的时候仍然可以保持数据,而RAM通常都是在掉电之后就丢失数据,典型的RAM就是计算机的内存。
RAM 又可分为SRAM(Static RAM/静态存储器)和DRAM(Dynamic RAM/动态存储器)。
SRAM 是利用双稳态触发器来保存信息的,只要不掉电,信息是不会丢失的。
DRAM是利用MOS(金属氧化物半导体)电容存储电荷来储存信息,因此必须通过不停的给电容充电来维持信息,所以DRAM 的成本、集成度、功耗等明显优于SRAM。
SRAM速度非常快,是目前读写最快的存储设备了,但是它也非常昂贵,所以只在要求很苛刻的地方使用,譬如CPU的一级缓冲,二级缓冲。
DRAM保留数据的时间很短,速度也比SRAM慢,不过它还是比任何的ROM都要快,但从价格上来说DRAM相比SRAM要便宜很多,计算机内存就是DRAM的。
而通常人们所说的SDRAM 是DRAM 的一种,它是同步动态存储器,利用一个单一的系统时钟同步所有的地址数据和控制信号。
使用SDRAM不但能提高系统表现,还能简化设计、提供高速的数据传输。
在嵌入式系统中经常使用。
ROM也有很多种,PROM是可编程的ROM,PROM和EPROM(可擦除可编程ROM)两者区别是,PROM是一次性的,也就是软件灌入后,就无法修改了,这种是早期的产品,现在已经不可能使用了,而EPROM是通过紫外光的照射擦出原先的程序,是一种通用的存储器。
内存编号大集合内存是计算机不可缺少的部件之一,常用的芯片有现代、三星……但并不是每个DIY 的高手们都熟悉刻在内存芯片上编号型号的。
现在我们就详细列出内存编号的各项含义。
(1)HYUNDAI(现代)现代的内存颗粒现在都改名为Hynix了,不过旧颗粒上还是印有HYUNDAI的标志。
其SDRAM芯片编号格式为:HY 5<1> <2> V <345> <67> <8> <9> <10> <11.12>-<13.14> s,具体的编号含义可以在现代的网站上找到:点击放大其中HY代表现代的产品:5<1>表示芯片类型(57=SDRAM,5D=DDR SDRAM);<2> 代表工作电压(空白=5V,V=3.3V,U=2.5V);<345> 代表容量和刷新速度(16=16Mbits、4K Ref,64=64Mbits、8K Ref,65=64Mbits、4K Ref,128=128Mbits、8K Ref,129=128Mbits、4K Ref,256=256Mbits、16K Ref,257=256Mbits、8K Ref);<67> 代表芯片输出的数据位宽(40、80、16、32分别代表4位、8位、16位和32位);<8> 代表内存芯片内部由几个Bank组成(1、2、3分别代表2个、4个和8个Bank,是2的幂次关系);<9> 代表接口(0=LVTTL[Low Voltage TTL]接口);<10> 代表内核版本(可以为空白或A、B、C、D等字母,越往后代表内核越新)代表功耗(L=低功耗芯片,空白=普通芯片);<11.12>代表封装形式(JC=400mil SOJ,TC=400mil TSOP-Ⅱ,TD=13mm TSOP-Ⅱ,TG=16mm TSOP-Ⅱ);<13.14>代表速度(7=7ns[143MHz],8=8ns[125MHz],10p=10ns[PC-100 CL2或3],10s=10ns[PC-100 CL3],10=10ns[100MHz],12=12ns[83MHz],15=5ns[66MHz])。
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M24512-WDW6TP AT24C512-10TU-1.8Atmel M24512-RDW6TP AT24C512-10TU-2.7Atmel M24512-WDW6TP AT24C512BN-SH25-B Atmel M24512-RMN6TP AT24C512BN-SH25-T Atmel M24512-RMN6TP AT24C512BN-SH-B Atmel M24512-RMN6TP AT24C512BN-SH-T Atmel M24512-RMN6TP AT24C512B-TH25-B Atmel M24512-RDW6TP AT24C512B-TH25-T Atmel M24512-RDW6TP AT24C512B-TH-B Atmel M24512-RDW6TP AT24C512B-TH-T Atmel M24512-RDW6TP AT24C512N-10SI-1.8Atmel M24512-RMN6TP AT24C512N-10SI-2.7Atmel M24512-WMN6TP AT24C512N-10SU-1.8Atmel M24512-RMN6TP AT24C512N-10SU-2.7Atmel M24512-WMN6TP AT24C512W-10SI-2.7Atmel M24512-WMW6TG AT24C512W-10SU-2.7Atmel M24512-WMW6TGAT24C64A-10PI-2.7Atmel M24C64-WBN6PAT24C64A-10PU-2.7Atmel M24C64-WBN6PAT24C64A-10TI-1.8Atmel M24C64-RDW6TP AT24C64A-10TI-2.7Atmel M24C64-WDW6TP AT24C64A-10TU-1.8Atmel M24C64-RDW6TP AT24C64A-10TU-2.7Atmel M24C64-WDW6TP AT24C64AN-10SE-2.7Atmel M24C64-WMN3TP/P AT24C64AN-10SI-1.8Atmel M24C64-RMN6TP AT24C64AN-10SI-2.7Atmel M24C64-WMN6TP AT24C64AN-10SU-1.8Atmel M24C64-RMN6TP AT24C64AN-10SU-2.7Atmel M24C64-WMN6TP AT24C64B-10PI-2.7Atmel M24C64-WBN6PAT24C64B-10PU-2.7Atmel M24C64-WBN6PAT24C64B-10TI-1.8Atmel M24C64-RDW6TP AT24C64B-10TI-2.7Atmel M24C64-WDW6TP AT24C64B-10TU-1.8Atmel M24C64-RDW6TP AT24C64B-10TU-2.7Atmel M24C64-WDW6TP AT24C64BN-10SI-1.8Atmel M24C64-RMN6TP AT24C64BN-10SI-2.7Atmel M24C64-WMN6TP AT24C64BN-10SU-1.8Atmel M24C64-RMN6TP AT24C64BN-10SU-2.7Atmel M24C64-WMN6TP AT24C64CN-SH-B Atmel M24C64-RMN6TP AT24C64CN-SH-T Atmel M24C64-RMN6TP AT24C64C-TH-B Atmel M24C64-RDW6TP AT24C64C-TH-T Atmel M24C64-RDW6TP AT24C64CY6-YH-T Atmel M24C64-RMB6TG AT25010A-10TI-1.8Atmel M95010-RDW6TP AT25010A-10TI-2.7Atmel M95010-WDW6TP AT25010A-10TU-1.8Atmel M95010-RDW6TP AT25010A-10TU-2.7Atmel M95010-WDW6TP AT25010AN-10SI-1.8Atmel M95010-RMN6TP AT25010AN-10SI-2.7Atmel M95010-WMN6TP AT25010AN-10SJ-1.8Atmel M95010-RMN6TP AT25010AN-10SJ-2.7Atmel M95010-WMN6TP AT25010AN-10SU-1.8Atmel M95010-RMN6TP AT25010AN-10SU-2.7Atmel M95010-WMN6TP AT25020A-10TI-1.8Atmel M95020-RDW6TP AT25020A-10TI-2.7Atmel M95020-WDW6TP AT25020A-10TU-1.8Atmel M95020-RDW6TP AT25020A-10TU-2.7Atmel M95020-WDW6TP AT25020AN-10SE-2.7Atmel M95020-WMN3TP/S AT25020AN-10SI-1.8Atmel M95020-RMN6TP AT25020AN-10SI-2.7Atmel M95020-WMN6TP AT25020AN-10SJ-1.8Atmel M95020-RMN6TP AT25020AN-10SJ-2.7Atmel M95020-WMN6TP AT25020AN-10SU-1.8Atmel M95020-RMN6TP AT25020AN-10SU-2.7Atmel M95020-WMN6TP AT25020AY6-10YH-1.8Atmel M95020-RMB6TG AT25040A-10TI-1.8Atmel M95040-RDW6TP AT25040A-10TI-2.7Atmel M95040-WDW6TP AT25040A-10TU-1.8Atmel M95040-RDW6TPAT25040A-10TU-2.7Atmel M95040-WDW6TP AT25040AN-10SE-2.7Atmel M95040-WMN3TP/S AT25040AN-10SI-1.8Atmel M95040-RMN6TP AT25040AN-10SI-2.7Atmel M95040-WMN6TP AT25040AN-10SJ-1.8Atmel M95040-RMN6TP AT25040AN-10SJ-2.7Atmel M95040-WMN6TP AT25040AN-10SU-1.8Atmel M95040-RMN6TP AT25040AN-10SU-2.7Atmel M95040-WMN6TP AT25040AY6-10YH-1.8Atmel M95040-RMB6TG AT25080A-10TI-1.8Atmel M95080-RDW6TP AT25080A-10TI-2.7Atmel M95080-WDW6TP AT25080A-10TU-1.8Atmel M95080-RDW6TP AT25080A-10TU-2.7Atmel M95080-WDW6TP AT25080AN-10SE-2.7Atmel M95080-WMN3TP/S AT25080AN-10SI-1.8Atmel M95080-RMN6TP AT25080AN-10SI-2.7Atmel M95080-WMN6TP AT25080AN-10SJ-1.8Atmel M95080-RMN6TP AT25080AN-10SJ-2.7Atmel M95080-WMN6TP AT25080AN-10SU-1.8Atmel M95080-RMN6TP AT25080AN-10SU-2.7Atmel M95080-WMN6TP AT25080AY6-10YH-1.8Atmel M95080-RMB6TG AT25128A-10TI-1.8Atmel M95128-RDW6TP AT25128A-10TU-1.8Atmel M95128-RDW6TP AT25128AN-10SE-2.7Atmel M95128-WMN3TP/P AT25128AN-10SI-1.8Atmel M95128-RMN6TP AT25128AN-10SI-2.7Atmel M95128-WMN6TP AT25128AN-10SJ-1.8Atmel M95128-RMN6TP AT25128AN-10SJ-2.7Atmel M95128-WMN6TP AT25128AN-10SU-1.8Atmel M95128-RMN6TP AT25128AN-10SU-2.7Atmel M95128-WMN6TP AT25160A-10TI-1.8Atmel M95160-RDW6TP AT25160A-10TI-2.7Atmel M95160-WDW6TP AT25160A-10TU-1.8Atmel M95160-RDW6TP AT25160A-10TU-2.7Atmel M95160-WDW6TP AT25160AN-10SE-2.7Atmel M95160-WMN3TP/S AT25160AN-10SI-1.8Atmel M95160-RMN6TP AT25160AN-10SI-2.7Atmel M95160-WMN6TP AT25160AN-10SJ-1.8Atmel M95160-RMN6TP AT25160AN-10SJ-2.7Atmel M95160-WMN6TP AT25160AN-10SU-1.8Atmel M95160-RMN6TP AT25160AN-10SU-2.7Atmel M95160-WMN6TP AT25160AY6-10YH-1.8Atmel M95160-RMB6TG AT25256A-10TI-1.8Atmel M95256-RDW6TP AT25256A-10TI-2.7Atmel M95256-WDW6TP AT25256A-10TU-1.8Atmel M95256-RDW6TP AT25256A-10TU-2.7Atmel M95256-WDW6TP AT25256AN-10SE-2.7Atmel M95256-WMN3TP/A AT25256AN-10SI-1.8Atmel M95256-RMN6TP AT25256AN-10SI-2.7Atmel M95256-WMN6TP AT25256AN-10SJ-1.8Atmel M95256-RMN6TP AT25256AN-10SJ-2.7Atmel M95256-WMN6TPAT25256AN-10SU-1.8Atmel M95256-RMN6TP AT25256AN-10SU-2.7Atmel M95256-WMN6TP AT25256AW-10SI-2.7Atmel M95256-WMW6TG AT25256AW-10SU-2.7Atmel M95256-WMW6TG AT25320A-10TI-1.8Atmel M95320-RDW6TP AT25320A-10TI-2.7Atmel M95320-WDW6TP AT25320A-10TU-1.8Atmel M95320-RDW6TP AT25320A-10TU-2.7Atmel M95320-WDW6TP AT25320AN-10SE-2.7Atmel M95320-WMN3TP/P AT25320AN-10SI-1.8Atmel M95320-RMN6TP AT25320AN-10SI-2.7Atmel M95320-WMN6TP AT25320AN-10SJ-1.8Atmel M95320-RMN6TP AT25320AN-10SJ-2.7Atmel M95320-WMN6TP AT25320AN-10SU-1.8Atmel M95320-RMN6TP AT25320AN-10SU-2.7Atmel M95320-WMN6TP AT25320AY6-10YH-1.8Atmel M95320-RMB6TG AT25512N-SH-B Atmel M95512-RMN6TP AT25512N-SH-T Atmel M95512-RMN6TP AT25512-TH-B Atmel M95512-RDW6TP AT25512-TH-T Atmel M95512-RDW6TP AT25640A-10TI-1.8Atmel M95640-RDW6TP AT25640A-10TI-2.7Atmel M95640-WDW6TP AT25640A-10TU-1.8Atmel M95640-RDW6TP AT25640A-10TU-2.7Atmel M95640-WDW6TP AT25640AN-10SE-2.7Atmel M95640-WMN3TP/P AT25640AN-10SI-1.8Atmel M95640-RMN6TP AT25640AN-10SI-2.7Atmel M95640-WMN6TP AT25640AN-10SJ-1.8Atmel M95640-RMN6TP AT25640AN-10SJ-2.7Atmel M95640-WMN6TP AT25640AN-10SU-1.8Atmel M95640-RMN6TP AT25640AN-10SU-2.7Atmel M95640-WMN6TP AT25640AY6-10YH-1.8Atmel M95640-RMB6TG AT25HP256W-10SI-2.7Atmel M95256-WMW6TG AT34C02-10TI-1.8Atmel M34C02-RDW6TP AT34C02-10TI-2.7Atmel M34C02-RDW6TP AT34C02-10TU-1.8Atmel M34C02-RDW6TP AT34C02-10TU-2.7Atmel M34C02-RDW6TP AT34C02B-10TU-1.7Atmel M34E02-FDW1TP AT34C02BY5-10YU-1.7Atmel M34E02-FMB1TG AT34C02C-TH-B Atmel M34E02-FDW1TP AT34C02C-TH-T Atmel M34E02-FDW1TP AT34C02CY6-10YH-T-1.7Atmel M34E02-FMB1TG AT93C46-10PI-2.7Atmel M93C46-WBN6PAT93C46-10SE-2.7Atmel M93C46-WMN3TP/S AT93C46-10SI-2.7Atmel M93C46-WMN6TP AT93C46-10SJ-2.7Atmel M93C46-WMN6TP AT93C46-10TI-2.7Atmel M93C46-WDW6TP AT93C46C-10PI-2.5Atmel M93C46-WBN6PAT93C46C-10PI-2.7Atmel M93C46-WBN6PAT93C46C-10SI-2.5Atmel M93C46-WMN6TP AT93C46C-10SI-2.7Atmel M93C46-WMN6TPAT93C56-10SI-1.8Atmel M93C56-RMN6TP AT93C56-10SI-2.7Atmel M93C56-WMN6TP AT93C56-10TI-1.8Atmel M93C56-RDW6TP AT93C56-10TI-2.7Atmel M93C56-WDW6TP AT93C56A-10SE-2.7Atmel M93C56-WMN3TP/S AT93C56A-10SI-1.8Atmel M93C56-RMN6TP AT93C56A-10SI-2.7Atmel M93C56-WMN6TP AT93C56A-10SJ-1.8Atmel M93C56-RMN6TP AT93C56A-10SJ-2.7Atmel M93C56-WMN6TP AT93C56A-10SU-1.8Atmel M93C56-RMN6TP AT93C56A-10SU-2.7Atmel M93C56-WMN6TP AT93C56A-10TI-1.8Atmel M93C56-RDW6TP AT93C56A-10TI-2.7Atmel M93C56-WDW6TP AT93C56A-10TJ-1.8Atmel M93C56-RDW6TP AT93C56A-10TJ-2.7Atmel M93C56-WDW6TP AT93C56A-10TU-1.8Atmel M93C56-RDW6TP AT93C56A-10TU-2.7Atmel M93C56-WDW6TP AT93C66-10SI-2.7Atmel M93C66-WMN6TP AT93C66-10TI-2.7Atmel M93C66-WDW6TP AT93C66A-10SE-2.7Atmel M93C66-WMN3TP/S AT93C66A-10SI-2.7Atmel M93C66-WMN6TP AT93C66A-10SJ-2.7Atmel M93C66-WMN6TP AT93C66A-10SU-2.7Atmel M93C66-WMN6TP AT93C66A-10TI-2.7Atmel M93C66-WDW6TP AT93C66A-10TJ-2.7Atmel M93C66-WDW6TP AT93C66A-10TU-2.7Atmel M93C66-WDW6TP AT93C66AY6-10YH-1.8Atmel M93C66-RMB6TG AT93C86-10PI-2.7Atmel M93C86-WBN6PAT93C86-10SE-2.7Atmel M93C86-WMN3TP/S AT93C86-10SI-2.7Atmel M93C86-WMN6TP AT93C86-10SJ-2.7Atmel M93C86-WMN6TP AT93C86-10TI-2.7Atmel M93C86-WDW6TP AT93C86A-10PU-2.7Atmel M93C86-WBN6PAT93C86A-10SU-2.7Atmel M93C86-WMN6TP AT93C86A-10TU-2.7Atmel M93C86-WDW6TPCAT24AA01WI-G Catalyst M24C01-WMN6TP CAT24AA01WI-GT10Catalyst M24C01-WMN6TP CAT24AC128J Catalyst M24128-BRMN6TP CAT24AC128J-1.8Catalyst M24128-BRMN6TP CAT24AC128J-1.8TE13Catalyst M24128-BRMN6TP CAT24AC128J-TE13Catalyst M24128-BRMN6TP CAT24AC128JI Catalyst M24128-BRMN6TP CAT24AC128JI-1.8Catalyst M24128-BRMN6TP CAT24AC128JI-1.8TE13Catalyst M24128-BRMN6TP CAT24AC128JI-TE13Catalyst M24128-BRMN6TP CAT24AC128W Catalyst M24128-BRMN6TP CAT24AC128W-1.8Catalyst M24128-BRMN6TP CAT24AC128W-1.8TE13Catalyst M24128-BRMN6TP CAT24AC128W-TE13Catalyst M24128-BRMN6TP CAT24AC128WI Catalyst M24128-BRMN6TP CAT24AC128WI-1.8Catalyst M24128-BRMN6TP CAT24AC128WI-1.8TE13Catalyst M24128-BRMN6TP CAT24AC128WI-TE13Catalyst M24128-BRMN6TP CAT24AC128Y Catalyst M24128-BRDW6TP CAT24AC128Y-1.8Catalyst M24128-BRDW6TP CAT24AC128Y-1.8TE13Catalyst M24128-BRDW6TP CAT24AC128Y-TE13Catalyst M24128-BRDW6TP CAT24AC128YI Catalyst M24128-BRDW6TP CAT24AC128YI-1.8Catalyst M24128-BRDW6TP CAT24AC128YI-1.8TE13Catalyst M24128-BRDW6TP CAT24AC128YI-TE13Catalyst M24128-BRDW6TP CAT24C01LI-G Catalyst M24C01-WBN6P CAT24C01WI-G Catalyst M24C01-RMN6TP CAT24C01WI-GT3Catalyst M24C01-RMN6TP CAT24C01YI-G Catalyst M24C01-RDW6TP CAT24C01YI-GT3Catalyst M24C01-RDW6TP CAT24C02LI-G Catalyst M24C02-WBN6P CAT24C02VP2I-G Catalyst M24C02-RMB6TG CAT24C02VP2I-GT3Catalyst M24C02-RMB6TG CAT24C02WI-G Catalyst M24C02-RMN6TP CAT24C02WI-GT3Catalyst M24C02-RMN6TP CAT24C02YI-G Catalyst M24C02-RDW6TP CAT24C02YI-GT3Catalyst M24C02-RDW6TP CAT24C04LI-G Catalyst M24C04-WBN6P CAT24C04VP2I-G Catalyst M24C04-RMB6TG CAT24C04VP2I-GT3Catalyst M24C04-RMB6TG CAT24C04WI-G Catalyst M24C04-RMN6TP CAT24C04WI-GT3Catalyst M24C04-RMN6TP CAT24C04YI-G Catalyst M24C04-RDW6TP CAT24C04YI-GT3Catalyst M24C04-RDW6TP CAT24C05WI-G Catalyst M34F04-WMN6TP CAT24C05WI-GT3Catalyst M34F04-WMN6TP CAT24C08LI-G Catalyst M24C08-WBN6P CAT24C08VP2I-G Catalyst M24C08-RMB6TG CAT24C08VP2I-GT3Catalyst M24C08-RMB6TG CAT24C08WI-G Catalyst M24C08-RMN6TP CAT24C08WI-GT3Catalyst M24C08-RMN6TPCAT24C08YI-G Catalyst M24C08-RDW6TP CAT24C08YI-GT3Catalyst M24C08-RDW6TP CAT24C128HU3I-G Catalyst M24128-BRMB6TG CAT24C128HU3I-GT3Catalyst M24128-BRMB6TG CAT24C128WI-G Catalyst M24128-BRMN6TP CAT24C128WI-GT3Catalyst M24128-BRMN6TP CAT24C128YI-G Catalyst M24128-BRDW6TP CAT24C128YI-GT3Catalyst M24128-BRDW6TP CAT24C16LI-G Catalyst M24C16-WBN6P CAT24C16VP2I-G Catalyst M24C16-RMB6TG CAT24C16VP2I-GT3Catalyst M24C16-RMB6TG CAT24C16WI-G Catalyst M24C16-RMN6TP CAT24C16WI-GT3Catalyst M24C16-RMN6TP CAT24C16YI-G Catalyst M24C16-RDW6TP CAT24C16YI-GT3Catalyst M24C16-RDW6TP CAT24C256WI-G Catalyst M24256-BRMN6TP CAT24C256WI-GT3Catalyst M24256-BRMN6TP CAT24C256XI-G Catalyst M24256-BWMW6TG CAT24C256XI-T2Catalyst M24256-BWMW6TG CAT24C256YI-G Catalyst M24256-BRDW6TP CAT24C256YI-GT3Catalyst M24256-BRDW6TP CAT24C32HU3I-G Catalyst M24C32-RMB6TG CAT24C32HU3I-GT3Catalyst M24C32-RMB6TG CAT24C32LI-G Catalyst M24C32-WBN6P CAT24C32VP2I-G Catalyst M24C32-RMB6TG CAT24C32VP2I-GT3Catalyst M24C32-RMB6TG CAT24C32WI-G Catalyst M24C32-RMN6TP CAT24C32WI-GT3Catalyst M24C32-RMN6TP CAT24C32YI-G Catalyst M24C32-RDW6TP CAT24C32YI-GT3Catalyst M24C32-RDW6TP CAT24C64HU3I-G Catalyst M24C64-RMB6TG CAT24C64HU3I-GT3Catalyst M24C64-RMB6TG CAT24C64LI-G Catalyst M24C64-WBN6P CAT24C64VP2I-G Catalyst M24C64-RMB6TG CAT24C64VP2I-GT3Catalyst M24C64-RMB6TG CAT24C64WI-G Catalyst M24C64-RMN6TP CAT24C64WI-GT3Catalyst M24C64-RMN6TP CAT24C64YI-G Catalyst M24C64-RDW6TP CAT24C64YI-GT3Catalyst M24C64-RDW6TP CAT24WC01GL Catalyst M24C01-WBN6P CAT24WC01GL-1.8Catalyst M24C01-WBN6P CAT24WC01GLI Catalyst M24C01-WBN6P CAT24WC01GLI-1.8Catalyst M24C01-WBN6P CAT24WC01GW Catalyst M24C01-RMN6TP CAT24WC01GW-1.8Catalyst M24C01-RMN6TP CAT24WC01GW-1.8TE13Catalyst M24C01-RMN6TP CAT24WC01GW-TE13Catalyst M24C01-RMN6TP CAT24WC01GWI Catalyst M24C01-RMN6TP CAT24WC01GWI-1.8Catalyst M24C01-RMN6TP CAT24WC01GWI-1.8TE13Catalyst M24C01-RMN6TP CAT24WC01GWI-TE13Catalyst M24C01-RMN6TP CAT24WC01GY Catalyst M24C01-RDW6TPCAT24WC01GY-1.8Catalyst M24C01-RDW6TP CAT24WC01GY-1.8TE13Catalyst M24C01-RDW6TP CAT24WC01GY-TE13Catalyst M24C01-RDW6TP CAT24WC01GYI Catalyst M24C01-RDW6TP CAT24WC01GYI-1.8Catalyst M24C01-RDW6TP CAT24WC01GYI-1.8TE13Catalyst M24C01-RDW6TP CAT24WC01GYI-TE13Catalyst M24C01-RDW6TP CAT24WC01J Catalyst M24C01-RMN6TP CAT24WC01J-1.8Catalyst M24C01-RMN6TP CAT24WC01J-1.8TE13Catalyst M24C01-RMN6TP CAT24WC01J-TE13Catalyst M24C01-RMN6TP CAT24WC01JI Catalyst M24C01-RMN6TP CAT24WC01JI-1.8Catalyst M24C01-RMN6TP CAT24WC01JI-1.8TE13Catalyst M24C01-RMN6TP CAT24WC01JI-TE13Catalyst M24C01-RMN6TP CAT24WC01L Catalyst M24C01-WBN6P CAT24WC01L-1.8Catalyst M24C01-WBN6P CAT24WC01LI Catalyst M24C01-WBN6P CAT24WC01LI-1.8Catalyst M24C01-WBN6P CAT24WC01P Catalyst M24C01-WBN6P CAT24WC01P-1.8Catalyst M24C01-WBN6P CAT24WC01PI Catalyst M24C01-WBN6P CAT24WC01PI-1.8Catalyst M24C01-WBN6P CAT24WC01U Catalyst M24C01-RDW6TP CAT24WC01U-1.8Catalyst M24C01-RDW6TP CAT24WC01U-1.8TE13Catalyst M24C01-RDW6TP CAT24WC01U-TE13Catalyst M24C01-RDW6TP CAT24WC01UI Catalyst M24C01-RDW6TP CAT24WC01UI-1.8Catalyst M24C01-RDW6TP CAT24WC01UI-1.8TE13Catalyst M24C01-RDW6TP CAT24WC01UI-TE13Catalyst M24C01-RDW6TP CAT24WC01W Catalyst M24C01-RMN6TP CAT24WC01W-1.8Catalyst M24C01-RMN6TP CAT24WC01W-1.8TE13Catalyst M24C01-RMN6TP CAT24WC01W-TE13Catalyst M24C01-RMN6TP CAT24WC01WI Catalyst M24C01-RMN6TP CAT24WC01WI-1.8Catalyst M24C01-RMN6TP CAT24WC01WI-1.8TE13Catalyst M24C01-RMN6TP CAT24WC01WI-TE13Catalyst M24C01-RMN6TP CAT24WC01Y Catalyst M24C01-RDW6TP CAT24WC01Y-1.8Catalyst M24C01-RDW6TP CAT24WC01Y-1.8TE13Catalyst M24C01-RDW6TP CAT24WC01Y-TE13Catalyst M24C01-RDW6TP CAT24WC01YI Catalyst M24C01-RDW6TP CAT24WC01YI-1.8Catalyst M24C01-RDW6TP CAT24WC01YI-1.8TE13Catalyst M24C01-RDW6TP CAT24WC01YI-TE13Catalyst M24C01-RDW6TP CAT24WC02GL Catalyst M24C02-WBN6P CAT24WC02GL-1.8Catalyst M24C02-WBN6P CAT24WC02GLI Catalyst M24C02-WBN6P CAT24WC02GLI-1.8Catalyst M24C02-WBN6P CAT24WC02GW Catalyst M24C02-RMN6TPCAT24WC02GW-1.8Catalyst M24C02-RMN6TP CAT24WC02GW-1.8TE13Catalyst M24C02-RMN6TP CAT24WC02GW-TE13Catalyst M24C02-RMN6TP CAT24WC02GWI Catalyst M24C02-RMN6TP CAT24WC02GWI-1.8Catalyst M24C02-RMN6TP CAT24WC02GWI-1.8TE13Catalyst M24C02-RMN6TP CAT24WC02GWI-TE13Catalyst M24C02-RMN6TP CAT24WC02GY Catalyst M24C02-RDW6TP CAT24WC02GY-1.8Catalyst M24C02-RDW6TP CAT24WC02GY-1.8TE13Catalyst M24C02-RDW6TP CAT24WC02GY-TE13Catalyst M24C02-RDW6TP CAT24WC02GYI Catalyst M24C02-RDW6TP CAT24WC02GYI-1.8Catalyst M24C02-RDW6TP CAT24WC02GYI-1.8TE13Catalyst M24C02-RDW6TP CAT24WC02GYI-TE13Catalyst M24C02-RDW6TP CAT24WC02J Catalyst M24C02-RMN6TP CAT24WC02J-1.8Catalyst M24C02-RMN6TP CAT24WC02J-1.8TE13Catalyst M24C02-RMN6TP CAT24WC02J-TE13Catalyst M24C02-RMN6TP CAT24WC02JI Catalyst M24C02-RMN6TP CAT24WC02JI-1.8Catalyst M24C02-RMN6TP CAT24WC02JI-1.8TE13Catalyst M24C02-RMN6TP CAT24WC02JI-TE13Catalyst M24C02-RMN6TP CAT24WC02L Catalyst M24C02-WBN6P CAT24WC02L-1.8Catalyst M24C02-WBN6P CAT24WC02LI Catalyst M24C02-WBN6P CAT24WC02LI-1.8Catalyst M24C02-WBN6P CAT24WC02P Catalyst M24C02-WBN6P CAT24WC02P-1.8Catalyst M24C02-WBN6P CAT24WC02PI Catalyst M24C02-WBN6P CAT24WC02PI-1.8Catalyst M24C02-WBN6P CAT24WC02U Catalyst M24C02-RDW6TP CAT24WC02U-1.8Catalyst M24C02-RDW6TP CAT24WC02U-1.8TE13Catalyst M24C02-RDW6TP CAT24WC02U-TE13Catalyst M24C02-RDW6TP CAT24WC02UI Catalyst 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CAT24WC04YI-TE13Catalyst M24C04-RDW6TP CAT24WC05GW Catalyst M34F04-WMN6TP CAT24WC05GW-1.8Catalyst M34F04-WMN6TP CAT24WC05GW-1.8TE13Catalyst M34F04-WMN6TP CAT24WC05GW-TE13Catalyst M34F04-WMN6TP CAT24WC05GWI Catalyst M34F04-WMN6TP CAT24WC05GWI-1.8Catalyst M34F04-WMN6TP CAT24WC05GWI-1.8TE13Catalyst M34F04-WMN6TP CAT24WC05GWI-TE13Catalyst M34F04-WMN6TP CAT24WC05J Catalyst M34F04-WMN6TP CAT24WC05J-1.8Catalyst M34F04-WMN6TP CAT24WC05J-1.8TE13Catalyst M34F04-WMN6TP CAT24WC05J-TE13Catalyst M34F04-WMN6TP CAT24WC05JI Catalyst M34F04-WMN6TP CAT24WC05JI-1.8Catalyst M34F04-WMN6TP CAT24WC05JI-1.8TE13Catalyst M34F04-WMN6TP CAT24WC05JI-TE13Catalyst M34F04-WMN6TP CAT24WC05W Catalyst M34F04-WMN6TP CAT24WC05W-1.8Catalyst M34F04-WMN6TP CAT24WC05W-1.8TE13Catalyst M34F04-WMN6TP CAT24WC05W-TE13Catalyst M34F04-WMN6TP CAT24WC05WI Catalyst M34F04-WMN6TP CAT24WC05WI-1.8Catalyst M34F04-WMN6TP CAT24WC05WI-1.8TE13Catalyst M34F04-WMN6TP CAT24WC05WI-TE13Catalyst M34F04-WMN6TP CAT24WC08GL Catalyst M24C08-WBN6P CAT24WC08GL-1.8Catalyst M24C08-WBN6P CAT24WC08GLI Catalyst M24C08-WBN6P CAT24WC08GLI-1.8Catalyst M24C08-WBN6P CAT24WC08GW Catalyst M24C08-RMN6TP CAT24WC08GW-1.8Catalyst M24C08-RMN6TP CAT24WC08GW-1.8TE13Catalyst M24C08-RMN6TP CAT24WC08GW-TE13Catalyst M24C08-RMN6TP CAT24WC08GWI Catalyst M24C08-RMN6TP CAT24WC08GWI-1.8Catalyst M24C08-RMN6TP CAT24WC08GWI-1.8TE13Catalyst M24C08-RMN6TP CAT24WC08GWI-TE13Catalyst M24C08-RMN6TP CAT24WC08GY Catalyst M24C08-RDW6TP CAT24WC08GY-1.8Catalyst M24C08-RDW6TP CAT24WC08GY-1.8TE13Catalyst M24C08-RDW6TP CAT24WC08GY-TE13Catalyst M24C08-RDW6TP CAT24WC08GYI Catalyst M24C08-RDW6TPCAT24WC08GYI-1.8Catalyst M24C08-RDW6TP CAT24WC08GYI-1.8TE13Catalyst M24C08-RDW6TP CAT24WC08GYI-TE13Catalyst M24C08-RDW6TP CAT24WC08J Catalyst M24C08-RMN6TP CAT24WC08J-1.8Catalyst M24C08-RMN6TP CAT24WC08J-1.8TE13Catalyst M24C08-RMN6TP CAT24WC08J-TE13Catalyst M24C08-RMN6TP CAT24WC08JI Catalyst M24C08-RMN6TP CAT24WC08JI-1.8Catalyst M24C08-RMN6TP CAT24WC08JI-1.8TE13Catalyst M24C08-RMN6TP CAT24WC08JI-TE13Catalyst M24C08-RMN6TP CAT24WC08L Catalyst M24C08-WBN6P CAT24WC08L-1.8Catalyst M24C08-WBN6P CAT24WC08LI Catalyst M24C08-WBN6P CAT24WC08LI-1.8Catalyst M24C08-WBN6P CAT24WC08P Catalyst M24C08-WBN6P CAT24WC08P-1.8Catalyst M24C08-WBN6P CAT24WC08PI Catalyst M24C08-WBN6P CAT24WC08PI-1.8Catalyst M24C08-WBN6P CAT24WC08U Catalyst M24C08-RDW6TP CAT24WC08U-1.8Catalyst M24C08-RDW6TP CAT24WC08U-1.8TE13Catalyst M24C08-RDW6TP CAT24WC08U-TE13Catalyst M24C08-RDW6TP CAT24WC08UI Catalyst M24C08-RDW6TP CAT24WC08UI-1.8Catalyst M24C08-RDW6TP CAT24WC08UI-1.8TE13Catalyst M24C08-RDW6TP CAT24WC08UI-TE13Catalyst M24C08-RDW6TP CAT24WC08W Catalyst M24C08-RMN6TP CAT24WC08W-1.8Catalyst M24C08-RMN6TP CAT24WC08W-1.8TE13Catalyst M24C08-RMN6TP CAT24WC08W-TE13Catalyst M24C08-RMN6TP CAT24WC08WI Catalyst M24C08-RMN6TP CAT24WC08WI-1.8Catalyst M24C08-RMN6TP CAT24WC08WI-1.8TE13Catalyst M24C08-RMN6TP CAT24WC08WI-TE13Catalyst M24C08-RMN6TP CAT24WC08Y Catalyst M24C08-RDW6TP CAT24WC08Y-1.8Catalyst M24C08-RDW6TP CAT24WC08Y-1.8TE13Catalyst M24C08-RDW6TP CAT24WC08Y-TE13Catalyst M24C08-RDW6TP CAT24WC08YI Catalyst M24C08-RDW6TP CAT24WC08YI-1.8Catalyst M24C08-RDW6TP CAT24WC08YI-1.8TE13Catalyst M24C08-RDW6TP CAT24WC08YI-TE13Catalyst M24C08-RDW6TP CAT24WC128J Catalyst M24128-BRMN6TP CAT24WC128J-1.8Catalyst M24128-BRMN6TP CAT24WC128J-1.8TE13Catalyst M24128-BRMN6TP CAT24WC128J-TE13Catalyst M24128-BRMN6TP CAT24WC128JI Catalyst M24128-BRMN6TP CAT24WC128JI-1.8Catalyst M24128-BRMN6TP CAT24WC128JI-1.8TE13Catalyst M24128-BRMN6TP CAT24WC128JI-TE13Catalyst M24128-BRMN6TP CAT24WC128W Catalyst M24128-BRMN6TP。
内存大全Samsung具体含义解释:例:SAMSUNG K4H280838B-TCB0主要含义:第1位——芯片功能K,代表是内存芯片。
第2位——芯片类型4,代表DRAM。
第3位——芯片的更进一步的类型说明,S代表SDRAM、H代表DDR、G代表SGRAM。
第4、5位——容量和刷新速率,容量相同的内存采用不同的刷新速率,也会使用不同的编号。
64、62、63、65、66、67、6A代表64Mbit的容量;28、27、2A代表128Mbit的容量;56、55、57、5A代表256Mbit的容量;51代表512Mbit的容量。
第6、7位——数据线引脚个数,08代表8位数据;16代表16位数据;32代表32位数据;64代表64位数据。
第11位——连线“-”。
第14、15位——芯片的速率,如60为6ns;70为 7ns;7B为7.5ns (CL=3);7C为7.5ns (CL=2) ;80为 8ns;10 为10ns (66MHz)。
知道了内存颗粒编码主要数位的含义,拿到一个内存条后就非常容易计算出它的容量。
例如一条三星DDR内存,使用18片SAMSUNG K4H280838B-TCB0颗粒封装。
颗粒编号第4、5位“28”代表该颗粒是128Mbits,第6、7位“08”代表该颗粒是8位数据带宽,这样我们可以计算出该内存条的容量是128Mbits(兆数位)× 16片/8bits=256MB(兆字节)。
注:“bit”为“数位”,“B”即字节“byte”,一个字节为8位则计算时除以8。
关于内存容量的计算,文中所举的例子中有两种情况:一种是非ECC内存,每8片8位数据宽度的颗粒就可以组成一条内存;另一种ECC内存,在每64位数据之后,还增加了8位的ECC校验码。
通过校验码,可以检测出内存数据中的两位错误,纠正一位错误。
所以在实际计算容量的过程中,不计算校验位,具有ECC功能的18片颗粒的内存条实际容量按16乘。
常用存储器的代换对照存储器, 代换PCA8581=24C01PCA8582=24C02PCE8522EP=24C02PCF8594C-2=24C04PCF8598C=24C08A510C=24C08(直接代换)代换时注意第7脚的状态,一般24C系列7脚都是接地的。
存储器24C04在彩电中运用广泛,目前大多数品牌彩电均选用它的系列型号作为存储器,其系列型号为:24C0l、24C02、24C04、24C08、24C16、24C32等等。
根据不同的制造厂商,在它们的前面冠以不同的字母,如AT、ST、BR、SL、KOR、KS等。
它们之间代换时,重点对⑦脚进行改接。
存储器24C04引脚功能与参数见表7。
存储器24C04的特点:(1)存储容量大,有4000bit,可存储100套电视节目(注:24C02存储60套,24C08存储200套);(2)外围电路简洁,内部设计有I2C接口电路,很方便地通过数据线与CPU连接,实现I2C总线控制,提高整机的工作性能;(3)工作电压范围宽2.5~6.8V,当电压为6V时写入峰值电流为3mA,最大读取电流150μP,待机时电流1μA左右,典型工作电压为5V左右;(4)内部设计有数据写入保护电路;(5)断电后内部数据可保存80年以上;(6)有噪音抑制功能,采用施密特触发器。
更换存储器24C04应注意:1.长虹2918FN彩电中,24C04典型连接图如图6所示。
图62.当微处理器及外围电路正常后需要更换存储器,只能用尾数大于或等于的型号代换,否则会造成存储节目数量减少,有的会造成某些功能失常等。
3.更换24C04系列存储器时,必须注意该存储器的制造商及电路板上⑦脚的接法。
24CXX系列存储器⑦脚的功能有:写保护控制(Wt))、取消写保护控制。
当⑦脚为低电平时,即⑦脚接地.为取消写保护控制。
这时微处理器通过总线写入需要存储的数据.完成存储,制造商有AT、ST、BR等生产的24CXX系列存储器:当⑦脚为高电平时,即⑦脚通过一只10kΩ上拉电阻至5V电眍,处于写保护状态,如果是.AT、ST、BR等厂商的24CXX系列存储器不能存入数据,KOR、KS等韩国厂商的24CXX系列存储器却能写入数据存储。
三星颗粒一、三星颗粒一般以KM开头二、内存颗粒类型:4表示DDR SDRAM三、芯片输出的数据位宽:40、80、16、32分别代表4位、8位、16位和32位四、工作电压:H=DDR SDRAM,3.3V、L=DDR SDRAM,2.5V五、内存颗粒位数:4:4Mbit、8:8 Mbit、16:16 Mbit、32:32 Mbit、64:64 Mbit、12:128 Mbit、25:256 Mbit、51:512 Mbit六、芯片容量及刷新速度:0:64m /4K [15.6μs]、1:32m/2K [15.6μs]、2:128m/8K [15.6μs]、3:64m/8K [7.8μs]、4:128m/16K[7.8μs]七、内存BANK:3:4排、4:8排八、电压:混合接口LVTTL+SSTL3(3.3V)、1:SSTL2(2.5V)九、封装类型:T:66针TSOP II、B:BGA、C:微型BGA(CSP)十、工作频率:0:10ns、100MHz(200Mbps);8:8ns、125MHz(250Mbps);Z:7.5ns、133MHz(266Mbps);Y:6.7ns、150MHz(300Mbps);6:6ns、166MHz(333Mbps);5:5ns、200MHz(400Mbps)HYUNDAI一、HY是现代颗粒的标志二、内存颗粒类型:(57=SDRAM,5D=DDR SDRAM);三、工作电压:空白=5V,V=3.3V,U=2.5V四、芯片容量和刷新速率:16=16Mbits、4K Ref;64=64Mbits、8K Ref;65=64Mbits、4K Ref=128Mbits、8K Ref;129=128Mbits、4K Ref;256=256Mbits、16K Ref;257=256Mbits、8K Ref五、芯片输出的数据位宽:40、80、16、32分别代表4位、8位、16位和32位六、内存BANK:1、2、3分别代表2个、4个和8个Bank,是2的幂次关系七、电压代表:1:SSTL_3、2:SSTL_2八、芯片版本:可以为空白或A、B、C、D等字母,越往后代表内核越新九、功耗:L=低功耗芯片,空白=普通芯片十、封装类型:JC=400mil SOJ,TC=400mil TSOP-Ⅱ,TD=13mm TSOP-Ⅱ,T TG=16mm TSOP-Ⅱ十一、工作频率:55 :183MHZ、5 :200MHZ、45 :222MHZ、43 :233MHZ、4 :250MHZ、33 :300NHZ、L :DDR200、H :DDR266B、K :DDR266A Micron(美光)一、 MT是代表Micron的产品二、内存颗粒类型:48=SDRAM、4=DRAM、46=DDR SDRAM、6=Rambus三、工作电压:C=5V Vcc CMOS,LC=3.3V Vdd CMOS,V=2.5V Vdd CMOS四、设备号码五、内存容量:无字母=Bits,K=Kilobits(KB),M=Megabits(MB),G=Gigabits(GB)六、芯片输出的数据位宽:4、8、16、32分别代表4位、8位、16位和32位七、代表封装:TG=TSOPⅡ封装,DJ=SOJ,DW=宽型SOJ,F=54针4行FBGA,FB=60 针8*16 FBGA,FC=60针11*13 FBGA,FP=反转芯片封装,FQ=反转芯片密封,F1=62针2行FBGA,F2=84针2行FBGA,LF=90针FBGA,LG=TQFP,R1=62针2行微型FBGA,R2=84针2行微型FBGA,U=μ BGA八、内存颗粒速度:分为四大类 DRAM SD RAMBUS DDR1、DRAM-4=40ns,-5=50ns,-6=60ns,-7=70ns2、SDRAM,x32 DDR SDRAM(时钟频率 @ CL3)-15=66MHz,-12=83MHz,-10+=100MHz,-8x+=125MHz,-75+=133MHz,-7x+=143MHz,- 65=150MHz,-6=167MHz,-55=183MHz,-5=200MHz3、DDR SDRAM(x4,x8,x16)时钟频率 @ CL=2.5-8+=125MHz,-75+=133MHz,-7+=143MHz4、Rambus(时钟频率)-4D=400MHz 40ns,-4C=400MHz 45ns,-4B=400MHz 50ns,-3C=356MHz 45ns,-3B=356MHz 50ns,-3M=300MHz 53ns+的含义-8E支持PC66和PC100(CL2和CL3)-75支持PC66、PC100(CL2和CL3)、PC133(CL=3)-7支持PC66、PC100(CL2和CL3)、PC133(CL2和CL3)-7E支持PC66、PC100(CL2和CL3)、PC133(CL2+和CL3)-8支持PC200(CL2)-75支持PC200(CL2)和PC266B(CL=2.5)-7支持PC200(CL2),PC266B(CL2),PC266A(CL=2.5)。