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CYM74B430PM-66C PDF预览

CYM74B430PM-66C

更新时间： 2024-09-17 19:10:35
品牌 Logo 应用领域
赛普拉斯 - CYPRESS 静态存储器内存集成电路
页数 文件大小 规格书
8页 214K
描述
Cache SRAM Module, 32KX64, 15ns, CMOS

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中文翻译

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CYM74B430PM-66C 技术参数

生命周期：ObsoleteReach Compliance Code：unknown
ECCN代码：3A991.B.2.AHTS代码：8542.32.00.41
风险等级：5.84最长访问时间：15 ns
I/O 类型：COMMONJESD-30 代码：R-XSMA-N160
内存密度：2097152 bit内存集成电路类型：CACHE SRAM MODULE
内存宽度：64功能数量：1
端子数量：160字数：32768 words
字数代码：32000工作模式：ASYNCHRONOUS
最高工作温度：70 °C最低工作温度：
组织：32KX64输出特性：3-STATE
封装主体材料：UNSPECIFIED封装代码：DIMM
封装等效代码：DIMM160封装形状：RECTANGULAR
封装形式：MICROELECTRONIC ASSEMBLY并行/串行：PARALLEL
电源：5 V认证状态：Not Qualified
最小待机电流：4.75 V子类别：SRAMs
最大压摆率：1.6 mA最大供电电压 (Vsup)：5.25 V
最小供电电压 (Vsup)：4.75 V标称供电电压 (Vsup)：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：SINGLE
Base Number Matches：1

CYM74B430PM-66C 数据手册

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1CY M74 S43 0/31  
CYM74B430  
CYM74P430/31  
CYM74S430/31  
PRELIMINARY  
Intel® 82340FX PCIset Level II  
Cache Module Family  
CYM74B430 is an asynchronous 256-Kbyte cache module that  
provides a low-cost, high-performance solution with industry stan-  
dard 32Kx8 5V SRAMs and 3.3V level translators. The  
CYM74B430 is organized as 32K by 64-bits with an 8Kx8 tag that  
supports 3-2-2-2 read and 4-2-2-2 write cycles at CPU bus speeds  
up to 66 MHz.  
Features  
•
Pin-compatible secondary cache module family that ad-  
heres to the Intel COAST 1.1 specification  
•
Asynchronous (CYM74B430), synchronous pipelined  
(CYM74P430, CYM74P431), or synchronous  
(CYM74S430, CYM74S431) configurations with pres-  
ence and configuration detect pins  
The synchronousmodules are available with low cost synchro-  
nous pipelined RAMs, or high performance synchronous burst  
RAMs. The synchronous pipelined modules are based on a  
16Kx64 RAM. The CYM74P430 is a 256-KB module while the  
CYM74P431 is a 512-KB module.  
•
Ideal for Intel® P54C-based systems with the 82430FX  
(Triton) chipset  
•
•
Operates at 50, 60, and 66 MHz  
The CYM74S430 and CYM74S431 are high performance syn-  
chronous burst cache modules that provide 256 KB and 512 KB of  
cache respectively. The modules support 3-1-1-1 performance at  
66 MHz. Multiple ground pins and on-board decoupling capac-  
itors ensure high performance with maximum noise immunity.  
Uses cost-effective CMOS asynchronous SRAMs or  
high-performance synchronous SRAMs  
•
160-position Burndy DIMM CELP2X80SC3Z48 connec-  
tor•3.3V compatible inputs/data outputs  
All components on the cache modules are surface mounted on  
a multi-layer epoxy laminate (FR-4) substrate. The contact  
pins are plated with 150 micro-inches of nickel covered by 10  
micro-inches of gold flash.  
Functional Description  
This family of secondary cache modules is designed for Intel  
P54C systems with the 82430FX (Triton) chipset.  
LogicBlockDiagram- CYM74B430  
8Kx8  
WE  
PD  
GND NC  
PD  
PD  
GND  
PD  
1
PD  
4
3
2
0
GND NC  
TWE  
D
A
TIO[7:0]  
CS  
CE  
OE  
GND  
5 V  
ADDRESSLATCH  
LA[17:5]  
A[17:5]  
D[7:0]  
D[15:8]  
D[23:16]  
D[31:24]  
CALE  
LE  
32K x 8  
FCT373C  
D
D
D
A
D
CAA[4:3]  
A
A
A
CE  
OE  
CE  
OE  
CE  
OE  
CE  
OE  
CWE  
CWE  
CWE  
3
0
CWE  
1
2
COE  
CWE[3:0]  
D[39:32]  
D[47:40]  
D[55:48]  
D[63:56]  
32K x 8  
D
D
D
D
CAB[4:3]  
A
A
A
A
CE  
OE  
CE  
OE  
CE  
OE  
CE  
OE  
CWE  
4
CWE  
CWE  
CWE  
7
5
6
74B430–1  
CWE[7:4]  
Intel is a registered trademark of Intel Corporation.  
Cypress Semiconductor Corporation 3901 North First Street  
•
•
San Jose  
•
CA 95134  
•
408-943-2600  
December 1994 – Revised October 1995  
12345678

中文翻译

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