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W9451GBDA-75 PDF预览

W9451GBDA-75

更新时间: 2024-02-28 04:00:32
品牌 Logo 应用领域
华邦 - WINBOND 时钟动态存储器双倍数据速率内存集成电路
页数 文件大小 规格书
15页 218K
描述
DDR DRAM Module, 64MX64, 0.75ns, CMOS, DIMM-184

W9451GBDA-75 技术参数

生命周期:Obsolete零件包装代码:DIMM
包装说明:DIMM, DIMM184针数:184
Reach Compliance Code:compliantECCN代码:EAR99
HTS代码:8542.32.00.36风险等级:5.75
访问模式:DUAL BANK PAGE BURST最长访问时间:0.75 ns
其他特性:AUTO/SELF REFRESH最大时钟频率 (fCLK):133 MHz
I/O 类型:COMMONJESD-30 代码:R-XDMA-N184
内存密度:4294967296 bit内存集成电路类型:DDR DRAM MODULE
内存宽度:64功能数量:1
端口数量:1端子数量:184
字数:67108864 words字数代码:64000000
工作模式:SYNCHRONOUS最高工作温度:70 °C
最低工作温度:组织:64MX64
输出特性:3-STATE封装主体材料:UNSPECIFIED
封装代码:DIMM封装等效代码:DIMM184
封装形状:RECTANGULAR封装形式:MICROELECTRONIC ASSEMBLY
电源:2.5 V认证状态:Not Qualified
刷新周期:8192自我刷新:YES
最大待机电流:0.032 A子类别:DRAMs
最大压摆率:2.48 mA最大供电电压 (Vsup):2.7 V
最小供电电压 (Vsup):2.3 V标称供电电压 (Vsup):2.5 V
表面贴装:NO技术:CMOS
温度等级:COMMERCIAL端子形式:NO LEAD
端子节距:1.27 mm端子位置:DUAL
Base Number Matches:1

W9451GBDA-75 数据手册

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W9451GBDA  
512MB (64M  
´ 64) DDR SDRAM DIMM  
1. GENERAL DESCRIPTION  
The W9451GBDA is a 512MB Double Data Rate Synchronous Dynamic RAM (DDR SDRAM) memory  
modules. It is organized in a 64M x 64 bit configuration using eight pieces of Winbond W942508BH  
(64M x 8 bits) DDR SDRAMs and assembled on a JEDEC standard 184-pin DIMM PCB.  
To provide high data bandwidth, W9451GBDA uses a double data rate architecture to transfer two  
data words per clock cycle and delivers a data bandwidth of up to 2.1G (DDR266) bytes per second. It  
is ideal for high performance systems that require fast data transfer memory modules.  
By reading the Serial Presence-Detect (SPD), the system can identify the module type, DDR SDRAM  
timing parameters and other necessary information to optimize system setting and maximize its  
performance.  
2. FEATURES  
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JEDEC standard 184-pin, Dual In-Line Memory Module (DIMM)  
Comply to DDR266 and DDR200 specification  
Two memory rows on this module  
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Differential clock inputs (CLK and CLK )  
Double Data Rate architecture, two data transfers per clock cycle  
CAS Latency: 2 and 2.5  
Burst Lengths: 2, 4, 8  
Auto Refresh and Self Refresh  
8K refresh cycles / 64 ms  
Serial Presence Detect with EEPROM  
Interface: SSTL-2  
Power supply: 2.5V ±0.2V  
PCB height: 1.25 inches  
3. AVAILABLE PART NUMBERS  
MODULE PART NUMBER  
SPEED  
W9451GBDA-7  
DDR266/CL2  
W9451GBDA-75  
DDR266/CL2.5  
Publication Release Date: March 15, 2002  
Revision A1  
- 1 -  

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