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AT34C02

更新时间： 2024-02-05 00:28:01
品牌 Logo 应用领域
爱特美尔 - ATMEL 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
12页 187K
描述
2-Wire Serial EEPROM with Permanent Software Write Protect

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中文翻译

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AT34C02 技术参数

是否无铅： 不含铅是否Rohs认证： 符合
生命周期：Active包装说明：4.40 MM, GREEN, PLASTIC, MO-153AA, TSSOP-8
Reach Compliance Code：compliantFactory Lead Time：7 weeks
风险等级：1.53最大时钟频率 (fCLK)：0.4 MHz
JESD-30 代码：R-PDSO-G8JESD-609代码：e4
长度：4.4 mm内存密度：2048 bit
内存集成电路类型：EEPROM内存宽度：8
湿度敏感等级：1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：TSSOP封装形状：RECTANGULAR
封装形式：SMALL OUTLINE, THIN PROFILE, SHRINK PITCH并行/串行：SERIAL
峰值回流温度（摄氏度）：260座面最大高度：1.2 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)：1.7 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：Nickel/Palladium/Gold (Ni/Pd/Au)
端子形式：GULL WING端子节距：0.65 mm
端子位置：DUAL处于峰值回流温度下的最长时间：40
宽度：3 mm最长写入周期时间 (tWC)：5 ms
Base Number Matches：1

AT34C02 数据手册

 浏览型号AT34C02的Datasheet PDF文件第2页浏览型号AT34C02的Datasheet PDF文件第3页浏览型号AT34C02的Datasheet PDF文件第4页浏览型号AT34C02的Datasheet PDF文件第5页浏览型号AT34C02的Datasheet PDF文件第6页浏览型号AT34C02的Datasheet PDF文件第7页 
Features  
• Permanent Software Write Protection for the First-Half of the Array  
– Software Procedure to Verify Write Protect Status  
• Hardware Write Protection for the Entire Array  
• Low Voltage and Standard Voltage Operation  
– 5.0 (VCC = 4.5V to 5.5V)  
– 2.7 (VCC = 2.7V to 5.5V)  
– 1.8 (VCC = 1.8V to 5.5V)  
• Internally Organized 256 x 8  
• 2-Wire Serial Interface  
• Schmitt Trigger, Filtered Inputs for Noise Suppression  
• Bidirectional Data Transfer Protocol  
• 100 KHz (1.8V and 2.7V) and 400 KHz (5.0V) Compatibility  
• 16-Byte Page Write Modes  
2-Wire Serial  
EEPROM  
• Partial Page Writes Are Allowed  
with Permanent  
Software Write  
Protect  
• Self-Timed Write Cycle (10 ms max)  
• High Reliability  
– Endurance: 1 Million Write Cycles  
– Data Retention: 100 Years  
– ESD Protection: >3,000V  
• Automotive Grade and Extended Temperature Devices Available  
• 8-Pin PDIP, 8-Pin JEDEC SOIC and 8-Pin TSSOP Packages  
2K (256 x 8)  
Description  
The AT34C02 provides 2048 bits of serial electrically erasable and programmable  
read only memory (EEPROM) organized as 256 words of 8 bits each. The first-half of  
the device incorporates a software write protection feature while hardware write pro-  
tection for the entire array is available via an external pin as well. Once the software  
write protection is enabled, by sending a special command to the device, it cannot be  
reversed. The hardware write protection is controlled with the WP pin and can be used  
to protect the entire array, whether or not the software write protection has been  
enabled. This allows the user to protect none, first-half, or all of the array depending  
on the application. The device is optimized for use in many industrial and commercial  
applications where low power and low voltage operations are essential. The AT34C02  
is available in space saving 8-pin PDIP, 8-pin JEDEC SOIC, and 8-pin TSSOP pack-  
ages and is accessed via a 2-wire serial interface. In addition, it is available in 5.0V  
(4.5V to 5.5V), 2.7V (2.7V to 5.5V), and 1.8V (1.8V to 5.5V) versions.  
AT34C02  
2-Wire Serial  
EEPROM with  
Permanent  
Software Write  
Protec  
Pin Configurations  
8-Pin SOIC  
Pin Name  
A0 to A2  
SDA  
Function  
A0  
A1  
1
2
3
4
8
7
6
5
VCC  
WP  
Address Inputs  
Serial Data  
A2  
SCL  
SDA  
GND  
SCL  
Serial Clock Input  
Write Protect  
WP  
8-Pin TSSOP  
8-Pin PDIP  
A0  
A1  
1
8
7
6
5
VCC  
WP  
A0  
1
8
VCC  
2
3
4
A1  
A2  
2
3
4
7
6
5
WP  
A2  
SCL  
SDA  
SCL  
SDA  
GND  
Rev. 0958D–07/98  
GND  
1234567...12

中文翻译

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