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NM24W02UEM8 PDF预览

NM24W02UEM8

更新时间: 2024-09-24 13:52:11
品牌 Logo 应用领域
飞兆/仙童 - FAIRCHILD 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时钟光电二极管内存集成电路
页数 文件大小 规格书
13页 101K
描述
EEPROM, 256X8, Serial, CMOS, PDSO8, PLASTIC, SOIC-8

NM24W02UEM8 技术参数

生命周期:Obsolete零件包装代码:SOIC
包装说明:SOP,针数:8
Reach Compliance Code:unknownECCN代码:EAR99
HTS代码:8542.32.00.51风险等级:5.84
Is Samacsys:N最大时钟频率 (fCLK):0.1 MHz
JESD-30 代码:R-PDSO-G8长度:4.9 mm
内存密度:2048 bit内存集成电路类型:EEPROM
内存宽度:8功能数量:1
端子数量:8字数:256 words
字数代码:256工作模式:SYNCHRONOUS
最高工作温度:85 °C最低工作温度:-40 °C
组织:256X8封装主体材料:PLASTIC/EPOXY
封装代码:SOP封装形状:RECTANGULAR
封装形式:SMALL OUTLINE并行/串行:SERIAL
认证状态:Not Qualified座面最大高度:1.75 mm
串行总线类型:I2C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:GULL WING
端子节距:1.27 mm端子位置:DUAL
宽度:3.9 mm最长写入周期时间 (tWC):10 ms
Base Number Matches:1

NM24W02UEM8 数据手册

 浏览型号NM24W02UEM8的Datasheet PDF文件第2页浏览型号NM24W02UEM8的Datasheet PDF文件第3页浏览型号NM24W02UEM8的Datasheet PDF文件第4页浏览型号NM24W02UEM8的Datasheet PDF文件第5页浏览型号NM24W02UEM8的Datasheet PDF文件第6页浏览型号NM24W02UEM8的Datasheet PDF文件第7页 
August 1999  
NM24C02U/NM24C03U  
2K-Bit Serial EEPROM  
2-Wire Bus Interface  
General Description  
Functions  
I I2C™ compatible interface  
The NM24C02U/NM24C03U are 2K (2,048) bit serial interface  
CMOS EEPROMs (Electrically Erasable Programmable Read-  
OnlyMemory).ThesedevicesfullyconformtotheStandardI2C™  
2-wire protocol which uses Clock (SCL) and Data I/O (SDA) pins  
to synchronously clock data between the "master" (for example a  
microprocessor) and the "slave" (the EEPROM device). In addi-  
tion, the serial interface allows a minimal pin count packaging  
designed to simplify PC board layout requirements and offers the  
designer a variety of low voltage and low power options.  
I 2,048 bits organized as 256 x 8  
I Extended 2.7V – 5.5V operating voltage  
I 100 KHz or 400 KHz operation  
I Self timed programming cycle (6ms typical)  
I "Programming complete" indicated by ACK polling  
I NM24C03U: Memory "Upper Block" Write Protect pin  
Features  
NM24C03U incorporates a hardware "Write Protect" feature, by  
which, the upper half of the memory can be disabled against  
programming by connecting the WP pin to VCC. This section of  
memory then effectively becomes a ROM (Read-Only Memory)  
andcannolongerbeprogrammedaslongasWPpinisconnected  
I The I2C™ interface allows the smallest I/O pincount of any  
EEPROM interface  
I 16 byte page write mode to minimize total write time per byte  
to VCC  
.
I Typical 200µA active current (ICCA)  
I Typical 1µA standby current (ISB) for "L" devices and 0.1µA  
standby current for "LZ" devices  
Fairchild EEPROMs are designed and tested for applications requir-  
ing high endurance, high reliability and low power consumption for a  
continuously reliable non-volatile solution for all markets.  
I Endurance: Up to 1,000,000 data changes  
I Data retention greater than 40 years  
Block Diagram  
V
CC  
V
SS  
WP  
H.V. GENERATION  
TIMING &CONTROL  
START  
STOP  
SDA  
LOGIC  
CONTROL  
LOGIC  
SLAVE ADDRESS  
REGISTER &  
2
E
PROM  
COMPARATOR  
XDEC  
ARRAY  
SCL  
A2  
A1  
A0  
WORD  
ADDRESS  
COUNTER  
R/W  
YDEC  
CK  
D
OUT  
DATA REGISTER  
D
IN  
DS800007-1  
I2Cis a registered trademark of Philips Electronics N.V.  
1
© 1998 Fairchild Semiconductor Corporation  
NM24C02U/NM24C03U Rev. B.1  
www.fairchildsemi.com  

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