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K4F640412D-JL45 PDF预览

K4F640412D-JL45

更新时间: 2024-01-18 06:50:42
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 367K
描述
Fast Page DRAM, 16MX4, 45ns, CMOS, PDSO32, 0.400 INCH, PLASTIC, SOJ-32

K4F640412D-JL45 技术参数

是否Rohs认证:不符合生命周期:Obsolete
零件包装代码:SOJ包装说明:0.400 INCH, PLASTIC, SOJ-32
针数:32Reach Compliance Code:unknown
ECCN代码:EAR99HTS代码:8542.32.00.02
风险等级:5.92Is Samacsys:N
访问模式:FAST PAGE最长访问时间:45 ns
其他特性:RAS ONLY/CAS BEFORE RAS/HIDDEN REFRESH/SELF REFRESHI/O 类型:COMMON
JESD-30 代码:R-PDSO-J32JESD-609代码:e0
长度:20.96 mm内存密度:67108864 bit
内存集成电路类型:FAST PAGE 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:70 °C最低工作温度:
组织:16MX4输出特性:3-STATE
封装主体材料:PLASTIC/EPOXY封装代码:SOJ
封装等效代码:SOJ32,.44封装形状:RECTANGULAR
封装形式:SMALL OUTLINE峰值回流温度(摄氏度):NOT SPECIFIED
电源:3.3 V认证状态:Not Qualified
刷新周期:4096座面最大高度:3.76 mm
自我刷新:YES最大待机电流:0.0002 A
子类别:DRAMs最大压摆率:0.12 mA
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:COMMERCIAL
端子面层:Tin/Lead (Sn/Pb)端子形式:J BEND
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 mm
Base Number Matches:1

K4F640412D-JL45 数据手册

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K4F660412D,K4F640412D  
CMOS DRAM  
16M x 4bit CMOS Dynamic RAM with Fast Page Mode  
DESCRIPTION  
This is a family of 16,777,216 x 4 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), power consumption(Normal 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 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  
- K4F660412D-JC/L(3.3V, 8K Ref., SOJ)  
- K4F640412D-JC/L(3.3V, 4K Ref., SOJ)  
- K4F660412D-TC/L(3.3V, 8K Ref., TSOP)  
- K4F640412D-TC/L(3.3V, 4K Ref., TSOP)  
• 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  
Active Power Dissipation  
Unit : mW  
4K  
• Available in Plastic SOJ and TSOP(II) packages  
• +3.3V±0.3V power supply  
Speed  
-45  
8K  
324  
288  
252  
432  
396  
360  
-50  
-60  
Refresh Cycles  
FUNCTIONAL BLOCK DIAGRAM  
Part  
NO.  
Refresh  
cycle  
Refresh time  
Normal  
L-ver  
RAS  
CAS  
W
K4F660412D*  
K4F640412D  
8K  
4K  
Vcc  
Vss  
64ms  
128ms  
Control  
Clocks  
VBB Generator  
* Access mode & RAS only refresh mode  
: 8K cycle/64ms(Normal), 8K cycle/128ms(L-ver.)  
CAS-before-RAS & Hidden refresh mode  
: 4K cycle/64ms(Normal), 4K cycle/128ms(L-ver.)  
Row Decoder  
Refresh Timer  
Refresh Control  
Data in  
Buffer  
Memory Array  
16,777,216 x 4  
Cells  
DQ0  
to  
DQ3  
Refresh Counter  
Row Address Buffer  
Col. Address Buffer  
Performance Range  
Speed  
Data out  
Buffer  
tRAC  
45ns  
50ns  
60ns  
tCAC  
12ns  
13ns  
15ns  
tRC  
tPC  
A0~A12  
(A0~A11)*1  
OE  
-45  
-50  
-60  
80ns  
90ns  
110ns  
31ns  
35ns  
40ns  
A0~A10  
(A0~A11)*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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