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K4E640412E-JI60 PDF预览

K4E640412E-JI60

更新时间: 2024-11-05 22:30:51
品牌 Logo 应用领域
三星 - SAMSUNG 存储
页数 文件大小 规格书
21页 194K
描述
16M x 4bit CMOS Dynamic RAM with Extended Data Out

K4E640412E-JI60 技术参数

生命周期:Obsolete零件包装代码:SOJ
包装说明:SOJ,针数:32
Reach Compliance Code:unknownECCN代码:EAR99
HTS代码:8542.32.00.02风险等级:5.35
访问模式:FAST PAGE WITH EDO最长访问时间:60 ns
其他特性:RAS ONLY/CAS BEFORE RAS/HIDDEN REFRESHJESD-30 代码:R-PDSO-J32
长度:20.96 mm内存密度:67108864 bit
内存集成电路类型:EDO DRAM内存宽度:4
功能数量:1端口数量:1
端子数量:32字数:16777216 words
字数代码:16000000工作模式:ASYNCHRONOUS
最高工作温度:85 °C最低工作温度:-40 °C
组织:16MX4封装主体材料:PLASTIC/EPOXY
封装代码:SOJ封装形状:RECTANGULAR
封装形式:SMALL OUTLINE认证状态:Not Qualified
座面最大高度:3.76 mm最大供电电压 (Vsup):3.6 V
最小供电电压 (Vsup):3 V标称供电电压 (Vsup):3.3 V
表面贴装:YES技术:CMOS
温度等级:INDUSTRIAL端子形式:J BEND
端子节距:1.27 mm端子位置:DUAL
宽度:10.16 mmBase Number Matches:1

K4E640412E-JI60 数据手册

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Industrial Temperature  
K4E660412E,K4E640412E  
CMOS DRAM  
16M x 4bit CMOS Dynamic RAM with Extended Data Out  
DESCRIPTION  
This is a family of 16,777,216 x 4 bit Extended Data Out Mode CMOS DRAMs. Extended Data Out 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), power consumption(Nor-  
mal or Low power) are optional features of this family. All of this family have CAS-before-RAS refresh, RAS-only refresh and Hidden  
refresh capabilities. Furthermore, Self-refresh operation is available in L-version. This 16Mx4 EDO Mode DRAM family is fabricated  
using Samsung¢s advanced CMOS process to realize high band-width, low power consumption and high reliability.  
FEATURES  
• Extended Data Out Mode operation  
• CAS-before-RAS refresh capability  
• RAS-only and Hidden refresh capability  
• Self-refresh capability (L-ver only)  
• Fast parallel test mode capability  
• LVTTL(3.3V) compatible inputs and outputs  
• Early Write or output enable controlled write  
• JEDEC Standard pinout  
• Part Identification  
- K4E660412E-JI/P(3.3V, 8K Ref., SOJ)  
- K4E640412E-JI/P(3.3V, 4K Ref., SOJ)  
- K4E660412E-TI/P(3.3V, 8K Ref., TSOP)  
- K4E640412E-TI/P(3.3V, 4K Ref., TSOP)  
Active Power Dissipation  
Unit : mW  
4K  
Speed  
-45  
8K  
• Available in Plastic SOJ and TSOP(II) packages  
• +3.3V±0.3V power supply  
324  
288  
252  
432  
396  
360  
-50  
Industrial Temperature operating ( -40~85°C )  
-60  
Refresh Cycles  
FUNCTIONAL BLOCK DIAGRAM  
Part  
NO.  
Refresh  
cycle  
Refresh time  
Normal  
L-ver  
RAS  
CAS  
W
Vcc  
Vss  
Control  
Clocks  
K4E660412E*  
K4E640412E  
8K  
4K  
64ms  
128ms  
VBB Generator  
* Access mode & RAS only refresh mode  
: 8K cycle/64ms(Normal), 8K cycle/128ms(L-ver.)  
CAS -before-RAS & Hidden refresh mode  
Row Decoder  
Refresh Timer  
Data in  
Buffer  
Refresh Control  
Memory Array  
: 4K cycle/64ms(Normal), 4K cycle/128ms(L-ver.)  
DQ0  
to  
DQ3  
16,777,216 x 4  
Refresh Counter  
Performance Range  
Cells  
Speed  
-45  
Data out  
Buffer  
tRAC  
45ns  
50ns  
60ns  
tCAC  
12ns  
13ns  
15ns  
tRC  
tHPC  
17ns  
20ns  
25ns  
Row Address Buffer  
A0~A12  
(A0~A11)*1  
74ns  
84ns  
104ns  
Col. Address Buffer  
Column Decoder  
A0~A10  
(A0~A11)*1  
-50  
-60  
Note) *1 : 4K Refresh  
SAMSUNG ELECTRONICS CO., LTD. reserves the right to  
change products and specifications without notice.  

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