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PDM41257LA15SOATY PDF预览

PDM41257LA15SOATY

更新时间: 2024-09-18 14:30:43
品牌 Logo 应用领域
IXYS 静态存储器光电二极管内存集成电路
页数 文件大小 规格书
7页 257K
描述
Standard SRAM, 256KX1, 15ns, CMOS, PDSO24, 0.300 INCH, PLASTIC, SOJ-24

PDM41257LA15SOATY 技术参数

是否无铅: 不含铅是否Rohs认证: 符合
生命周期:Obsolete零件包装代码:SOJ
包装说明:0.300 INCH, PLASTIC, SOJ-24针数:24
Reach Compliance Code:compliantECCN代码:EAR99
HTS代码:8542.32.00.41风险等级:5.71
最长访问时间:15 nsJESD-30 代码:R-PDSO-J24
长度:15.875 mm内存密度:262144 bit
内存集成电路类型:STANDARD SRAM内存宽度:1
功能数量:1端子数量:24
字数:262144 words字数代码:256000
工作模式:ASYNCHRONOUS最高工作温度:105 °C
最低工作温度:-40 °C组织:256KX1
封装主体材料:PLASTIC/EPOXY封装代码:SOJ
封装形状:RECTANGULAR封装形式:SMALL OUTLINE
并行/串行:PARALLEL峰值回流温度(摄氏度):NOT SPECIFIED
认证状态:Not Qualified座面最大高度:3.75 mm
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:INDUSTRIAL
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:7.62 mmBase Number Matches:1

PDM41257LA15SOATY 数据手册

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PDM41257  
256K Static RAM  
256K x 1-Bit  
1
2
Description  
Features  
The PDM41257 is a high-performance CMOS static  
RAM organized as 262,144 x 1 bit. Writing to this  
device is accomplished when the write enable (WE)  
and the chip enable (CE) inputs are both LOW.  
Reading is accomplished when WE remains HIGH  
and CE goes LOW.  
High-speed access times  
Com’l: 7, 8, 10, 12 and 15 ns  
Industrial: 8, 10, 12 and 15 ns  
Low power operation (typical)  
- PDM41257SA  
Active: 400 mW  
Standby: 150 mW  
- PDM41257LA  
Active: 350 mW  
Standby: 25 mW  
The PDM41257 operates from a single +5V power  
supply and all the inputs and outputs are fully TTL-  
compatible. The PDM41257 comes in two versions,  
the standard power version PDM41257SA and a low  
power version the PDM41257LA. The two versions  
are functionally the same and only differ in their  
power consumption.  
4
Single +5V (±10%) power supply  
TTL compatible inputs and outputs  
Packages  
5
The PDM41257 is available in a 24-pin 300-mil  
plastic SOJ for surface mount applications.  
Plastic SOJ (300 mil) - SO  
6
7
Functional Block Diagram  
A0  
8
Memory  
Matrix  
Addresses  
Decoder  
A17  
9
• • • • •  
Column I/O  
DIN  
DOUT  
10  
11  
12  
CE  
WE  
Rev. 2.2 - 4/27/98  
1

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