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AT24C02A-W2.7-11

更新时间： 2024-11-19 03:16:31
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
20页 558K
描述
EEPROM, 256X8, Serial, CMOS, DIE

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AT24C02A-W2.7-11 数据手册

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Features  
• Write Protect Pin for Hardware Data Protection  
– Utilizes Different Array Protection Compared to the AT24C02/04  
• Low-voltage and Standard-voltage Operation  
– 2.7 (VCC = 2.7V to 5.5V)  
– 1.8 (VCC = 1.8V to 5.5V)  
• Internally Organized 256 x 8 (2K), 512 x 8 (4K)  
• Two-wire Serial Interface  
• Schmitt Trigger, Filtered Inputs for Noise Suppression  
• Bidirectional Data Transfer Protocol  
• 100 kHz (1.8V) and 400 kHz (2.5V, 2.7V, 5V) Clock Rate  
• 8-byte Page (2K), 16-byte Page (4K) Write Modes  
• Partial Page Writes Allowed  
• Self-timed Write Cycle (5 ms Max)  
• High Reliability  
Two-wire Serial  
EEPROM  
2K (256 x 8)  
– Endurance: One Million Write Cycles  
– Data Retention: 100 Years  
• Automotive Grade, Extended Temperature and Lead-Free/Halogen-Free Devices  
Available  
4K (512 x 8)  
• 8-lead PDIP, 8-lead JEDEC SOIC, 8-lead MAP, 8-lead TSSOP and 8-ball dBGA2 Packages  
• Die Sales: Wafer Form, Waffle Pack, and Bumped Wafers.  
AT24C02A  
AT24C04A  
Description  
The AT24C02A/04A provides 2048/4096 bits of serial electrically erasable and program-  
mable read-only memory (EEPROM) organized as 256/512 words of 8 bits each. The  
device is optimized for use in many industrial and commercial applications where low-  
power and low-voltage operation are essential. The AT24C02A/04A is available in  
space-saving 8-lead PDIP, 8-lead JEDEC SOIC, 8-lead MAP and 8-lead TSSOP pack-  
ages and is accessed via a two-wire serial interface. In addition, the entire family is  
available in 2.7V (2.7V to 5.5V) and 1.8V (1.8V to 5.5V) versions.  
Table 1. Pin Configuration  
8-lead PDIP  
8-lead TSSOP  
Pin Name  
A0–A2  
SDA  
Function  
A0  
A1  
1
2
3
4
8
7
6
5
VCC  
WP  
Address Inputs  
Serial Data  
A0  
A1  
1
2
3
4
8
7
6
5
VCC  
WP  
A2  
SCL  
SDA  
A2  
SCL  
SDA  
GND  
GND  
SCL  
Serial Clock Input  
Write Protect  
No-connect  
8-lead SOIC  
8-lead MAP  
WP  
VCC  
WP  
8
7
6
5
1
2
3
4
A0  
A0  
A1  
A2  
1
2
3
4
8
7
6
5
VCC  
NC  
A1  
WP  
SCL  
SDA  
A2  
SCL  
SDA  
GND  
GND  
Bottom View  
8-ball dBGA2  
VCC  
WP  
8
7
6
5
1
2
3
4
A0  
A1  
SCL  
SDA  
A2  
GND  
Bottom View  
Rev. 0976Q–SEEPR–8/05  
1234567...20

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