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ST24LW21M1TR PDF预览

ST24LW21M1TR

更新时间: 2024-09-29 22:16:19
品牌 Logo 应用领域
意法半导体 - STMICROELECTRONICS 存储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
22页 160K
描述
1 Kbit x8 Dual Mode Serial EEPROM for VESA PLUG & PLAY

ST24LW21M1TR 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:0.150 INCH, PLASTIC, SO-8针数:8
Reach Compliance Code:compliantECCN代码:EAR99
HTS代码:8542.32.00.51风险等级:5.84
Is Samacsys:N其他特性:40 YEAR DATA RETENTION
最大时钟频率 (fCLK):0.4 MHz数据保留时间-最小值:40
耐久性:1000000 Write/Erase CyclesI2C控制字节:1010XXXR
JESD-30 代码:R-PDSO-G8JESD-609代码:e4
长度:4.9 mm内存密度:1024 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:128 words字数代码:128
工作模式:SYNCHRONOUS最高工作温度:70 °C
最低工作温度:组织:128X8
封装主体材料:PLASTIC/EPOXY封装代码:SOP
封装等效代码:SOP8,.25封装形状:RECTANGULAR
封装形式:SMALL OUTLINE并行/串行:SERIAL
峰值回流温度(摄氏度):NOT SPECIFIED电源:3.6/5.5 V
认证状态:Not Qualified座面最大高度:1.75 mm
串行总线类型:I2C最大待机电流:0.00003 A
子类别:EEPROMs最大压摆率:0.002 mA
最大供电电压 (Vsup):5.5 V最小供电电压 (Vsup):3.6 V
标称供电电压 (Vsup):4.5 V表面贴装:YES
技术:CMOS温度等级:COMMERCIAL
端子面层:Nickel/Palladium/Gold (Ni/Pd/Au)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宽度:3.9 mm
最长写入周期时间 (tWC):10 ms写保护:HARDWARE
Base Number Matches:1

ST24LW21M1TR 数据手册

 浏览型号ST24LW21M1TR的Datasheet PDF文件第2页浏览型号ST24LW21M1TR的Datasheet PDF文件第3页浏览型号ST24LW21M1TR的Datasheet PDF文件第4页浏览型号ST24LW21M1TR的Datasheet PDF文件第5页浏览型号ST24LW21M1TR的Datasheet PDF文件第6页浏览型号ST24LW21M1TR的Datasheet PDF文件第7页 
ST24LC21B, ST24LW21  
ST24FC21, ST24FC21B, ST24FW21  
1 Kbit (x8) Dual Mode Serial EEPROM  
for VESA PLUG & PLAY  
1 MILLION ERASE/WRITE CYCLES  
40 YEARS DATA RETENTION  
3.6V to 5.5V or 2.5V to 5.5V SINGLE SUPPLY  
VOLTAGE  
HARDWARE WRITE CONTROL (ST24LW21  
and ST24FW21)  
TTL SCHMITT-TRIGGER on VCLK INPUT  
8
8
100k / 400k Hz COMPATIBILITY with the I2C  
BUS BIT TRANSFER RANGE  
1
1
TWO WIRE SERIAL INTERFACE I2C BUS  
COMPATIBLE  
SO8 (M)  
150mil Width  
PSDIP8 (B)  
0.25mm Frame  
I2C PAGE WRITE (up to 8 Bytes)  
I2C BYTE, RANDOM and SEQUENTIAL READ  
MODES  
SELF TIMED PROGRAMMING CYCLE  
AUTOMATIC ADDRESS INCREMENTING  
ENHANCED ESD/LATCH UP  
PERFORMANCES  
Figure 1. Logic Diagram  
ERROR RECOVERY MECHANISM  
(ST24FC21 and ST24FW21) VESA 2  
COMPATIBLE  
V
CC  
DESCRIPTION  
The ST24LC21B, ST24LW21, ST24FC21,  
ST24FC21B and ST24FW21 are 1K bit electrically  
erasable programmable memory (EEPROM), or-  
ganized in 128x8 bits. In the text, products are  
referred as ST24xy21, where "x" is either "L" for  
VESA 1 or "F" for VESA 2 compatible memories  
and where "y" indicates the Write Control pin con-  
nection: "C" means WC on pin 7 and "W" means  
WC on pin 3.  
SCL  
VCLK  
WC  
SDA  
ST24xy21  
Table 1. Signal Names  
V
SS  
SDA  
SCL  
VCC  
Serial Data Address Input/Output  
Serial Clock (I2C mode)  
Supply Voltage  
AI01741  
VSS  
Ground  
Note: WC signal is only available for ST24LW21 and ST24FW21  
VCLK  
WC  
Clock Transmit only mode  
Write Control  
products.  
June 2002  
1/22  

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