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MC-4R256FKK8K-840 PDF预览

MC-4R256FKK8K-840

更新时间: 2024-11-28 22:31:59
品牌 Logo 应用领域
尔必达 - ELPIDA 存储内存集成电路动态存储器时钟
页数 文件大小 规格书
13页 92K
描述
256MB 32-bit Direct Rambus DRAM RIMM Module

MC-4R256FKK8K-840 技术参数

是否Rohs认证:不符合生命周期:Obsolete
零件包装代码:DMA包装说明:DIMM, DIMM232,40
针数:232Reach Compliance Code:unknown
ECCN代码:EAR99HTS代码:8542.32.00.36
风险等级:5.92Is Samacsys:N
访问模式:BLOCK ORIENTED PROTOCOL其他特性:SELF CONTAINED REFRESH
最大时钟频率 (fCLK):800 MHzI/O 类型:COMMON
JESD-30 代码:R-XDMA-N232内存密度:2415919104 bit
内存集成电路类型:RAMBUS DRAM MODULE内存宽度:18
湿度敏感等级:1功能数量:1
端口数量:1端子数量:232
字数:134217728 words字数代码:128000000
工作模式:SYNCHRONOUS组织:128MX18
输出特性:3-STATE封装主体材料:UNSPECIFIED
封装代码:DIMM封装等效代码:DIMM232,40
封装形状:RECTANGULAR封装形式:MICROELECTRONIC ASSEMBLY
峰值回流温度(摄氏度):225电源:1.8/2.5,2.5 V
认证状态:Not Qualified自我刷新:YES
子类别:DRAMs最大供电电压 (Vsup):2.63 V
最小供电电压 (Vsup):2.37 V标称供电电压 (Vsup):2.5 V
表面贴装:NO技术:CMOS
端子形式:NO LEAD端子节距:1 mm
端子位置:DUAL处于峰值回流温度下的最长时间:NOT SPECIFIED
Base Number Matches:1

MC-4R256FKK8K-840 数据手册

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PRELIMINARY DATA SHEET  
256MB 32-bit Direct Rambus DRAM RIMM Module  
MC-4R256FKK8K (64M words × 18 bits × 2 channels)  
Description  
Features  
The 32-bit Direct Rambus RIMM module is a general-  
purpose high-performance lines of memory modules  
suitable for use in a broad range of applications  
including computer memory, personal computers,  
workstations, and other applications where high  
bandwidth and latency are required.  
256MB Direct RDRAM storage and 256 banks total  
on module  
2 independent Direct RDRAM channels, 1 pass  
through and 1 terminated on 32-bit RIMM module  
High speed 800MHz Direct RDRAM devices  
232 edge connector pads with 1mm pad spacing  
Module PCB size: 133.35mm × 39.925mm ×  
1.27mm  
The 32-bit RIMM module consists of 288Mb Direct  
Rambus DRAM (Direct RDRAM) devices. These are  
extremely high-speed CMOS DRAMs organized as  
16M words by 18 bits. The use of Rambus Signaling  
Level (RSL) technology permits the use of conventional  
system and board design technologies. The 32-bit  
RIMM modules support 800MHz transfer rate per pin,  
resulting in total module bandwidth of 3.2GB/s.  
Gold plated edge connector pads contacts  
Serial Presence Detect (SPD) support  
Operates from a 2.5V (±5%) supply  
Low power and power down self refresh modes  
Separate Row and Column buses for higher  
efficiency  
The 32-bit RIMM module provides two independent 18  
bit memory channels to facilitate compact system  
design. The "Thru" Channel enters and exits the  
module to support a connection to or from a controller,  
memory slot, or termination. The "Term" Channel is  
terminated on the module and supports a connection  
from a controller or another memory slot.  
The RDRAM  
sustained bandwidth for multiple, simultaneous,  
randomly addressed memory transactions. The  
architecture enables the highest  
separate control and data buses with independent row  
and column control yield over 95% bus efficiency. The  
RDRAM device multi-bank architecture supports up to  
four simultaneous transactions per device.  
Document No. E0253N10 (Ver. 1.0)  
Date Published April 2002 (K) Japan  
URL: http://www.elpida.com  
Elpida Memory, Inc. 2002  
Elpida Memory, Inc. is a joint venture DRAM company of NEC Corporation and Hitachi, Ltd.  

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