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FM25C040ULEN PDF预览

FM25C040ULEN

更新时间： 2024-02-27 02:16:57
品牌 Logo 应用领域
其他 - ETC 内存集成电路光电二极管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
页数 文件大小 规格书
11页 86K
描述
SPI Serial EEPROM

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中文翻译

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FM25C040ULEN 技术参数

是否无铅： 含铅是否Rohs认证： 不符合
生命周期：Obsolete零件包装代码：DIP
包装说明：PLASTIC, DIP-8针数：8
Reach Compliance Code：compliantECCN代码：EAR99
HTS代码：8542.32.00.51风险等级：5.68
最大时钟频率 (fCLK)：2.1 MHz数据保留时间-最小值：40
耐久性：1000000 Write/Erase CyclesJESD-30 代码：R-PDIP-T8
JESD-609代码：e0长度：9.817 mm
内存密度：4096 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：512 words
字数代码：512工作模式：SYNCHRONOUS
最高工作温度：125 °C最低工作温度：-40 °C
组织：512X8封装主体材料：PLASTIC/EPOXY
封装代码：DIP封装等效代码：DIP8,.3
封装形状：RECTANGULAR封装形式：IN-LINE
并行/串行：SERIAL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：5.08 mm串行总线类型：SPI
最大待机电流：0.00005 A子类别：EEPROMs
最大压摆率：0.003 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：NO技术：CMOS
温度等级：AUTOMOTIVE端子面层：Tin/Lead (Sn/Pb)
端子形式：THROUGH-HOLE端子节距：2.54 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 mm最长写入周期时间 (tWC)：10 ms
写保护：HARDWARE/SOFTWAREBase Number Matches：1

FM25C040ULEN 数据手册

 浏览型号FM25C040ULEN的Datasheet PDF文件第2页浏览型号FM25C040ULEN的Datasheet PDF文件第3页浏览型号FM25C040ULEN的Datasheet PDF文件第4页浏览型号FM25C040ULEN的Datasheet PDF文件第5页浏览型号FM25C040ULEN的Datasheet PDF文件第6页浏览型号FM25C040ULEN的Datasheet PDF文件第7页 
April 2001  
FM25C040U  
4K-Bit SPI™ Interface  
Serial CMOS EEPROM  
General Description  
Functions  
The FM25C040U is a 4K (4,096) bit serial interface CMOS  
EEPROM (Electrically Erasable Programmable Read-Only  
Memory). This device fully conforms to the SPI 4-wire protocol  
whichusesChipSelect(/CS), Clock(SCK), Data-in(SI)andData-  
out (SO) pins to synchronously control data transfer between the  
SPI microcontroller and the EEPROM. In addition, 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.  
■ SPI MODE 0 interface  
■ 4,096 bits organized as 512 x 8  
■ Extended 2.7V to 5.5V operating voltage  
■ 2.1 MHz operation @ 4.5V - 5.5V  
■ Self-timed programming cycle  
■ "Programming complete" indicated by STATUS REGISTER  
polling  
■ /WP pin and BLOCK WRITE protection  
This SPI EEPROM family is designed to work with the 68HC11 or  
any other SPI-compatible, high-speed microcontroller and offers  
both hardware (/WP pin) and software ("block write") data protec-  
tion. For example, entering a 2-bit code into the STATUS REGIS-  
TER prevents programming in a selected block of memory and all  
Features  
■ Sequential read of entire array  
■ 4 byte "Page write" mode to minimize total write time per  
byte  
programming can be inhibited by connecting the /WP pin to VSS  
;
allowing the user to protect the entire array or a selected section.  
In addition, SPI devices feature a /HOLD pin, which allows a  
temporary interruption of the datastream into the EEPROM.  
■ /WP pin and BLOCK WRITE protection to prevent inadvert-  
ent programming as well as programming ENABLE and  
DISABLE opcodes.  
■ /HOLD pin to suspend data transfer  
Fairchild EEPROMs are designed and tested for applications  
requiring high endurance, high reliability, and low power con-  
sumption for a continuously reliable non-volatile solution for all  
markets.  
■ Typical 1µA standby current (ISB) for "L" devices and 0.1µA  
standby current for "LZ" devices.  
■ Endurance: Up to 1,000,000 data changes  
■ Data retention greater than 40 years  
Block Diagram  
/CS  
/HOLD  
SCK  
VCC  
VSS  
Instruction  
Decoder  
Control Logic  
and Clock  
/WP  
Instruction  
SI  
Generators  
Register  
Program  
Enable  
Address  
Counter/  
Register  
High Voltage  
Generator  
and  
Program  
Timer  
VPP  
Decoder  
EEPROM Array  
Read/Write Amps  
Data In/Out Register  
8 Bits  
Data Out  
Buffer  
SO  
Non-Volatile  
Status Register  
SPI™ is a trademark of Motorola Corporation  
1
© 2001 Fairchild Semiconductor Corporation  
FM25C040U Rev. A  
www.fairchildsemi.com  
1234567...11

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