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AT24C02B-W1.8-11

更新时间： 2024-11-08 08:37:23
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 464K
描述
Two-wire Serial EEPROM

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AT24C02B-W1.8-11 数据手册

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Features  
• Low-voltage and Standard-voltage Operation  
– 1.8 (VCC = 1.8V to 5.5V)  
• Internally Organized 256 x 8 (2K)  
• Two-wire Serial Interface  
• Schmitt Trigger, Filtered Inputs for Noise Suppression  
• Bidirectional Data Transfer Protocol  
• 1 MHz (5V), 400 kHz (1.8V, 2.5V, 2.7V) Compatibility  
• Write Protect Pin for Hardware Data Protection  
• 8-byte Page (2K) Write Modes  
• Partial Page Writes Allowed  
• Self-timed Write Cycle (5 ms max)  
• High-reliability  
– Endurance: 1 Million Write Cycles  
– Data Retention: 100 Years  
• 8-lead PDIP, 8-lead JEDEC SOIC, 8-lead Mini-MAP (MLP 2x3), 5-lead SOT23,  
8-lead TSSOP and 8-ball dBGA2 Packages  
• Lead-free/Halogen-free  
Two-wire  
Serial EEPROM  
2K (256 x 8)  
• Die Sales: Wafer Form, Waffle Pack and Bumped Wafers  
Description  
AT24C02B  
The AT24C02B provides 2048 bits of serial electrically erasable and programmable  
read-only memory (EEPROM) organized as 256 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 AT24C02B is available in space-saving  
8-lead PDIP, 8-lead JEDEC SOIC, 8-lead Mini-MAP (MLP 2x3), 5-lead SOT23, 8-lead  
TSSOP, and 8-ball dBGA2 packages and is accessed via a Two-wire serial interface.  
In addition, the AT24C02B is available in 1.8V (1.8V to 5.5V) version.  
Table 1. Pin Configuration  
8-lead Mini-MAP (MLP 2x3)  
8-ball dBGA2  
Pin Name  
A0 - A2  
SDA  
Function  
VCC 8  
WP 7  
1 A0  
2 A1  
3 A2  
4 GND  
8
7
6
5
1
2
3
4
A0  
VCC  
WP  
Address Inputs  
Serial Data  
A1  
SCL 6  
SDA 5  
A2  
SCL  
SDA  
GND  
SCL  
Serial Clock Input  
Write Protect  
No Connect  
Ground  
Bottom View  
Bottom View  
WP  
8-lead TSSOP  
8-lead SOIC  
NC  
A0  
A1  
1
2
3
4
8
7
6
5
VCC  
WP  
A0  
A1  
1
2
3
4
8
7
6
5
VCC  
WP  
GND  
VCC  
A2  
SCL  
SDA  
A2  
SCL  
SDA  
Power Supply  
GND  
GND  
8-lead PDIP  
5-lead SOT23  
8
7
6
5
VCC  
A0  
1
2
3
4
WP  
SCL  
GND  
SDA  
1
2
3
5
WP  
A1  
A2  
SCL  
SDA  
VCC  
4
GND  
5126B–SEEPR–10/05  
1234567...20

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