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MSM548263-70TS-K PDF预览

MSM548263-70TS-K

更新时间: 2024-01-28 18:45:38
品牌 Logo 应用领域
冲电气 - OKI 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
40页 392K
描述
Video DRAM, 256KX8, 70ns, CMOS, PDSO40, 0.400 INCH, 0.80 MM PITCH, PLASTIC, TSOP2-44/40

MSM548263-70TS-K 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, TSOP40/44,.46,32
针数:44Reach Compliance Code:unknown
ECCN代码:EAR99HTS代码:8542.32.00.02
风险等级:5.58访问模式:FAST PAGE WITH EDO
最长访问时间:70 ns其他特性:RAS ONLY/CAS BEFORE RAS/HIDDEN REFRESH; 512 X 8 SAM PORT
JESD-30 代码:R-PDSO-G40JESD-609代码:e0
长度:18.41 mm内存密度:2097152 bit
内存集成电路类型:VIDEO DRAM内存宽度:8
功能数量:1端口数量:2
端子数量:40字数:262144 words
字数代码:256000工作模式:ASYNCHRONOUS
最高工作温度:70 °C最低工作温度:
组织:256KX8封装主体材料:PLASTIC/EPOXY
封装代码:TSOP2封装等效代码:TSOP40/44,.46,32
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座面最大高度:1.2 mm
最大待机电流:0.008 A子类别:Other Memory ICs
最大压摆率:0.13 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:0.8 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

MSM548263-70TS-K 数据手册

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E2L0017-17-Y1  
This version: Jan. 1998  
Previous version: Dec. 1996  
¡ Semiconductor  
MSM548263  
262,144-Word ¥ 8-Bit Multiport DRAM  
DESCRIPTION  
The MSM548263 is a 2-Mbit CMOS multiport DRAM composed of a 262,144-word by 8-bit  
dynamic RAM, and a 512-word by 8-bit SAM. Its RAM and SAM operate independently and  
asynchronously.  
It supports three types of operations: random access to RAM port, high speed serial access to  
SAM port, and bidirectional transfer of data between any selected row in the RAM port and the  
SAM port. In addition to the conventional multiport DRAM operating modes, the MSM548263  
features block write, flash write functions and extended page mode on the RAM port and a split  
datatransfercapability, programmablestopsontheSAMport. TheSAMportrequiresnorefresh  
operation because it uses static CMOS flip-flops.  
FEATURES  
• Single power supply: 5 V ±10%  
• Full TTL compatibility  
• Multiport organization  
RAM : 256K word ¥ 8 bits  
SAM : 512 word ¥ 8 bits  
• Extended page mode  
• Write per bit  
• Persistent write per bit  
• Masked flash write  
• Masked block write  
RAS only refresh  
CAS before RAS refresh  
• Hidden refresh  
• Serial read/write  
• 512 tap location  
• Programmable stops  
• Bidirectional data transfer  
• Split transfer  
• Masked write transfer  
• Refresh: 512 cycles/8 ms  
• Package options:  
40-pin 400 mil plastic SOJ  
(SOJ40-P-400-1.27)  
(Product : MSM548263-xxJS)  
44/40-pin 400 mil plastic TSOP (Type II)(TSOPII44/40-P-400-0.80-K)(Product : MSM548263-xxTS-K)  
xx indicates speed rank.  
PRODUCT FAMILY  
Access Time  
Cycle Time  
RAM SAM  
Power Dissipation  
Family  
MSM548263-60  
RAM  
60 ns  
70 ns  
80 ns  
SAM  
Operating  
Standby  
8 mA  
17 ns 120 ns 22 ns  
17 ns 140 ns 22 ns  
20 ns 150 ns 25 ns  
140 mA  
130 mA  
120 mA  
MSM548263-70  
MSM548263-80  
8 mA  
8 mA  
1/40  

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