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TM497GU8-70 PDF预览

TM497GU8-70

更新时间: 2024-01-31 03:57:27
品牌 Logo 应用领域
德州仪器 - TI 动态存储器内存集成电路
页数 文件大小 规格书
7页 83K
描述
4MX8 FAST PAGE DRAM MODULE, 70ns, SMA30, SIMM-30

TM497GU8-70 技术参数

是否无铅: 含铅生命周期:Obsolete
零件包装代码:SIMM包装说明:SIMM, SIM30
针数:30Reach Compliance Code:unknown
ECCN代码:EAR99HTS代码:8542.32.00.02
风险等级:5.71访问模式:FAST PAGE
最长访问时间:70 ns其他特性:RAS ONLY/CAS BEFORE RAS/HIDDEN REFRESH
I/O 类型:COMMONJESD-30 代码:R-XSMA-N30
内存密度:33554432 bit内存集成电路类型:FAST PAGE DRAM MODULE
内存宽度:8功能数量:1
端口数量:1端子数量:30
字数:4194304 words字数代码:4000000
工作模式:ASYNCHRONOUS最高工作温度:70 °C
最低工作温度:组织:4MX8
输出特性:3-STATE封装主体材料:UNSPECIFIED
封装代码:SIMM封装等效代码:SIM30
封装形状:RECTANGULAR封装形式:MICROELECTRONIC ASSEMBLY
电源:5 V认证状态:Not Qualified
刷新周期:2048座面最大高度:16.637 mm
最大待机电流:0.002 A子类别:DRAMs
最大压摆率:0.2 mA最大供电电压 (Vsup):5.5 V
最小供电电压 (Vsup):4.5 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:2.54 mm端子位置:SINGLE
Base Number Matches:1

TM497GU8-70 数据手册

 浏览型号TM497GU8-70的Datasheet PDF文件第1页浏览型号TM497GU8-70的Datasheet PDF文件第3页浏览型号TM497GU8-70的Datasheet PDF文件第4页浏览型号TM497GU8-70的Datasheet PDF文件第5页浏览型号TM497GU8-70的Datasheet PDF文件第6页浏览型号TM497GU8-70的Datasheet PDF文件第7页 
TM497GU8  
4194304-WORD BY 8-BIT  
DYNAMIC RAM MODULE  
SMMS498A– APRIL 1994 – REVISED JUNE 1995  
operation  
The TM497GU8 operates as two TMS417400DJs connected as shown in the functional block diagram. Refer  
to the TMS417400 data sheet for details of its operation. The common I/O feature of the TM497GU8 dictates  
the use of early-write cycles to prevent contention on D and Q.  
power up  
To achieve proper operation, an initial pause of 200 µs followed by a minimum of eight initialization cycles is  
required after full V  
(RAS-only orCBR) cycle.  
level is achieved. These eight initialization cycles need to include at least one refresh  
CC  
single-in-line memory module and components  
PC substrate: 1,27 mm (0.05 inch) nominal thickness; 0.005 inch/inch maximum warpage  
Bypass capacitors: Multilayer ceramic  
Contact area for socketable devices: Nickel plate and solder plate over copper  
functional block diagram  
4M × 4  
A0A10 DQ1  
11  
A0A10  
RAS  
CAS  
W
DQ1  
DQ2  
DQ3  
DQ4  
RAS  
CAS  
W
DQ2  
DQ3  
DQ4  
OE  
4M × 4  
A0A10 DQ1  
11  
DQ5  
DQ6  
DQ7  
DQ8  
RAS  
CAS  
W
DQ2  
DQ3  
DQ4  
OE  
2
POST OFFICE BOX 1443 HOUSTON, TEXAS 77251–1443  

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