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AT24C512BU2-UU-T PDF预览

AT24C512BU2-UU-T

更新时间: 2024-11-27 06:38:19
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
26页 675K
描述
Two-wire Serial EEPROM 512K (65,536 x 8)

AT24C512BU2-UU-T 数据手册

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Features  
Low-voltage and Standard-voltage Operation  
– 1.8v (VCC = 1.8V to 3.6V)  
– 2.5v (VCC = 2.5V to 5.5V)  
Internally Organized 65,536 x 8  
Two-wire Serial Interface  
Schmitt Triggers, Filtered Inputs for Noise Suppression  
Bidirectional Data Transfer Protocol  
1 MHz (2.5V, 5.5V), 400 kHz (1.8V) Compatibility  
Write Protect Pin for Hardware and Software Data Protection  
128-byte Page Write Mode (Partial Page Writes Allowed)  
Self-timed Write Cycle (5 ms Max)  
Two-wire Serial  
EEPROM  
High Reliability  
512K (65,536 x 8)  
– Endurance: 1,000,000 Write Cycles  
– Data Retention: 40 Years  
Lead-free/Halogen-free Devices  
AT24C512B  
8-lead PDIP, 8-lead JEDEC SOIC, 8-lead EIAJ SOIC, 8-lead TSSOP, 8-ball dBGA2, and  
8-lead Ultra Thin Small Array (SAP) Packages  
Die Sales: Wafer Form, Waffle Pack and Bumped Die  
with Three Device Address Inputs  
Description  
The AT24C512B provides 524,288 bits of serial electrically erasable and programma-  
ble read only memory (EEPROM) organized as 65,536 words of 8 bits each. The  
device’s cascadable feature allows up to eight devices to share a common two-wire  
bus. The device is optimized for use in many industrial and commercial applications  
where low-power and low-voltage operation are essential. The devices are available  
in space-saving 8-pin PDIP, 8-lead JEDEC SOIC, 8-lead EIAJ SOIC, 8-lead TSSOP,  
8-ball dBGA2 and 8-lead Ultra Thin SAP packages. In addition, the entire family is  
available in 1.8V (1.8V to 3.6V) and 2.5V (2.5V to 5.5V) versions.  
Table 0-1.  
Pin Name  
A0–A2  
SDA  
Pin Configurations  
Function  
8-lead TSSOP  
8-lead PDIP  
Address Inputs  
Serial Data  
A0  
A1  
1
2
3
4
8
7
6
5
VCC  
WP  
A0  
A1  
1
2
3
4
8
7
6
5
VCC  
WP  
SCL  
Serial Clock Input  
Write Protect  
A2  
SCL  
SDA  
A2  
SCL  
SDA  
WP  
GND  
GND  
8-lead SOIC  
8-lead Ultra Thin SAP  
8-ball dBGA2  
VCC 8  
WP 7  
1 A0  
2 A1  
3 A2  
4 GND  
VCC  
WP  
8
1 A0  
A0  
A1  
1
2
3
4
8
7
6
5
VCC  
7
2
A1  
WP  
SCL 6  
SDA 5  
SCL  
SDA  
6
5
3
A2  
A2  
SCL  
SDA  
4
GND  
GND  
Bottom View  
Rev. 5297A–SEEPR–1/08  
Bottom View  

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