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K4F640811B-TC50 PDF预览

K4F640811B-TC50

更新时间: 2024-02-16 20:18:11
品牌 Logo 应用领域
三星 - SAMSUNG 动态存储器光电二极管内存集成电路
页数 文件大小 规格书
20页 370K
描述
Fast Page DRAM, 8MX8, 50ns, CMOS, PDSO32, 0.400 INCH, PLASTIC, TSOP2-32

K4F640811B-TC50 技术参数

是否Rohs认证: 不符合生命周期:Obsolete
零件包装代码:TSOP2包装说明:TSOP2, TSOP32,.46
针数:32Reach Compliance Code:unknown
ECCN代码:EAR99HTS代码:8542.32.00.02
风险等级:5.92访问模式:FAST PAGE
最长访问时间:50 ns其他特性:RAS ONLY/CAS BEFORE RAS/HIDDEN REFRESH
I/O 类型:COMMONJESD-30 代码:R-PDSO-G32
JESD-609代码:e0长度:20.95 mm
内存密度:67108864 bit内存集成电路类型:FAST PAGE DRAM
内存宽度:8功能数量:1
端口数量:1端子数量:32
字数:8388608 words字数代码:8000000
工作模式:ASYNCHRONOUS最高工作温度:70 °C
最低工作温度:组织:8MX8
输出特性:3-STATE封装主体材料:PLASTIC/EPOXY
封装代码:TSOP2封装等效代码:TSOP32,.46
封装形状:RECTANGULAR封装形式:SMALL OUTLINE, THIN PROFILE
峰值回流温度(摄氏度):NOT SPECIFIED电源:5 V
认证状态:Not Qualified刷新周期:4096
座面最大高度:1.2 mm自我刷新:NO
最大待机电流:0.001 A子类别:DRAMs
最大压摆率:0.09 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:YES技术:CMOS
温度等级:COMMERCIAL端子面层:Tin/Lead (Sn/Pb)
端子形式:GULL WING端子节距:1.27 mm
端子位置:DUAL处于峰值回流温度下的最长时间:NOT SPECIFIED
宽度:10.16 mmBase Number Matches:1

K4F640811B-TC50 数据手册

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K4F660811B,K4F640811B  
CMOS DRAM  
8M x 8bit CMOS Dynamic RAM with Fast Page Mode  
DESCRIPTION  
This is a family of 8,388,608 x 8 bit Fast Page Mode CMOS DRAMs. Fast Page Mode offers high speed random access of memory cells  
within the same row. Refresh cycle(4K Ref. or 8K Ref.), access time (-45, -50 or -60), package type (SOJ or TSOP-II) are optional fea-  
tures of this family. All of this family have CAS-before-RAS refresh, RAS-only refresh and Hidden refresh capabilities. This 8Mx8 Fast  
Page Mode DRAM family is fabricated using Samsung¢s advanced CMOS process to realize high band-width, low power consumption  
and high reliability.  
FEATURES  
• Fast Page Mode operation  
• Part Identification  
- K4F660811B-JC(5.0V, 8K Ref.)  
- K4F640811B-JC(5.0V, 4K Ref.)  
- K4F660811B-TC(5.0V, 8K Ref.)  
- K4F640811B-TC(5.0V, 4K Ref.)  
• CAS-before-RAS refresh capability  
• RAS-only and Hidden refresh capability  
• Fast parallel test mode capability  
• TTL(5.0V) compatible inputs and outputs  
• Early Write or output enable controlled write  
• JEDEC Standard pinout  
Active Power Dissipation  
Unit : mW  
• Available in Plastic SOJ and TSOP(II) packages  
• +5.0V±10% power supply  
Speed  
-45  
8K  
4K  
715  
660  
605  
550  
495  
440  
-50  
-60  
Refresh Cycles  
Part  
NO.  
Refresh  
cycle  
Refresh time  
FUNCTIONAL BLOCK DIAGRAM  
Normal  
K4F660811B*  
K4F640811B  
8K  
4K  
RAS  
CAS  
W
64ms  
Vcc  
Vss  
Control  
Clocks  
VBB Generator  
* Access mode & RAS only refresh mode  
: 8K cycle/64ms  
CAS-before-RAS & Hidden refresh mode  
: 4K cycle/64ms  
Row Decoder  
Refresh Timer  
Refresh Control  
Data in  
Buffer  
Memory Array  
8,388,608 x 8  
Cells  
DQ0  
to  
DQ7  
Refresh Counter  
Row Address Buffer  
Col. Address Buffer  
Performance Range  
Speed  
Data out  
Buffer  
tRAC  
45ns  
50ns  
60ns  
tCAC  
12ns  
13ns  
15ns  
tRC  
80ns  
90ns  
110ns  
tPC  
A0~A12  
(A0~A11)*1  
OE  
-45  
-50  
-60  
31ns  
35ns  
40ns  
A0~A9  
(A0~A10)*1  
Column Decoder  
Note) *1 : 4K Refresh  
SAMSUNG ELECTRONICS CO., LTD. reserves the right to  
change products and specifications without notice.  

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Fast Page DRAM, 8MX8, 45ns, CMOS, PDSO32, 0.400 INCH, PLASTIC, TSOP2-32
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Fast Page DRAM, 8MX8, 50ns, CMOS, PDSO32, 0.400 INCH, PLASTIC, TSOP2-32
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Fast Page DRAM, 8MX8, 50ns, CMOS, PDSO32, 0.400 INCH, PLASTIC, TSOP2-32