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M28256-20WMS6T PDF预览

M28256-20WMS6T

更新时间: 2024-11-22 22:35:39
品牌 Logo 应用领域
意法半导体 - STMICROELECTRONICS 可编程只读存储器电动程控只读存储器电可擦编程只读存储器
页数 文件大小 规格书
21页 133K
描述
256 Kbit 32Kb x8 Parallel EEPROM with Software Data Protection

M28256-20WMS6T 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:SOIC
包装说明:0.300 INCH, PLASTIC, SO-28针数:28
Reach Compliance Code:compliantECCN代码:EAR99
HTS代码:8542.32.00.51风险等级:5.83
最长访问时间:200 ns命令用户界面:NO
数据轮询:YES耐久性:100000 Write/Erase Cycles
JESD-30 代码:R-PDSO-G28JESD-609代码:e3
长度:17.9 mm内存密度:262144 bit
内存集成电路类型:EEPROM内存宽度:8
功能数量:1端子数量:28
字数:32768 words字数代码:32000
工作模式:ASYNCHRONOUS最高工作温度:85 °C
最低工作温度:-40 °C组织:32KX8
输出特性:3-STATE封装主体材料:PLASTIC/EPOXY
封装代码:SOP封装等效代码:SOP28,.4
封装形状:RECTANGULAR封装形式:SMALL OUTLINE
页面大小:64 words并行/串行:PARALLEL
峰值回流温度(摄氏度):NOT SPECIFIED电源:3/3.3 V
编程电压:3 V认证状态:Not Qualified
座面最大高度:2.65 mm最大待机电流:0.00002 A
子类别:EEPROMs最大压摆率:0.015 mA
最大供电电压 (Vsup):3.6 V最小供电电压 (Vsup):2.7 V
标称供电电压 (Vsup):3 V表面贴装:YES
技术:CMOS温度等级:INDUSTRIAL
端子面层:Matte Tin (Sn)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切换位:YES
宽度:7.5 mm最长写入周期时间 (tWC):5 ms
Base Number Matches:1

M28256-20WMS6T 数据手册

 浏览型号M28256-20WMS6T的Datasheet PDF文件第2页浏览型号M28256-20WMS6T的Datasheet PDF文件第3页浏览型号M28256-20WMS6T的Datasheet PDF文件第4页浏览型号M28256-20WMS6T的Datasheet PDF文件第5页浏览型号M28256-20WMS6T的Datasheet PDF文件第6页浏览型号M28256-20WMS6T的Datasheet PDF文件第7页 
M28256  
256 Kbit (32Kb x8) Parallel EEPROM  
with Software Data Protection  
PRELIMINARY DATA  
FASTACCESSTIME:  
– 90ns at 5V  
– 120ns at 3V  
SINGLE SUPPLY VOLTAGE:  
±
– 5V 10% for M28256  
28  
– 2.7V to 3.6V for M28256-xxW  
LOW POWER CONSUMPTION  
FAST WRITE CYCLE:  
1
PDIP28 (BS)  
PLCC32 (KA)  
– 64 Bytes Page Write Operation  
– Byte or Page Write Cycle  
ENHANCED END of WRITEDETECTION:  
– Data Polling  
28  
– Toggle Bit  
1
STATUS REGISTER  
HIGH RELIABILITYDOUBLE POLYSILICON,  
CMOS TECHNOLOGY:  
SO28 (MS)  
300 mils  
TSOP28 (NS)  
8 x13.4mm  
– Endurance >100,000 Erase/Write Cycles  
– Data Retention >10 Years  
JEDEC APPROVEDBYTEWIDE PIN OUT  
ADDRESS and DATA LATCHED ON-CHIP  
SOFTWARE DATA PROTECTION  
Figure 1. Logic Diagram  
V
CC  
DESCRIPTION  
The M28256and M28256-Ware 32K x8 low power  
ParallelEEPROMfabricatedwithSTMicroelectron-  
ics proprietary double polysilicon CMOS technol-  
ogy.  
15  
8
A0-A14  
DQ0-DQ7  
W
E
M28256  
Table 1. Signal Names  
A0-A14  
Address Input  
Data Input / Output  
Write Enable  
Chip Enable  
DQ0-DQ7  
G
W
E
V
SS  
G
Output Enable  
Supply Voltage  
Ground  
AI01885  
VCC  
VSS  
January 1999  
1/21  
This is preliminaryinformationon a new productnow in developmentor undergoingevaluation.Detail s aresubject to change without notice.  

M28256-20WMS6T 替代型号

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