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AT24C256-10UI PDF预览

AT24C256-10UI

更新时间： 2024-11-17 23:31:59
品牌 Logo 应用领域
其他 - ETC 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
18页 294K
描述
I2C Serial EEPROM

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中文翻译

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AT24C256-10UI 数据手册

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Features  
• Low-voltage and Standard-voltage Operation  
– 5.0 (VCC = 4.5V to 5.5V)  
– 2.7 (VCC = 2.7V to 5.5V)  
– 2.5 (VCC = 2.5V to 5.5V)  
– 1.8 (VCC = 1.8V to 3.6V)  
• Internally Organized 16,384 x 8 and 32,768 x 8  
• 2-wire Serial Interface  
• Schmitt Trigger, Filtered Inputs for Noise Suppression  
• Bidirectional Data Transfer Protocol  
• 1 MHz (5V), 400 kHz (2.7V, 2.5V) and 100 kHz (1.8V) Compatibility  
• Write Protect Pin for Hardware and Software Data Protection  
• 64-byte Page Write Mode (Partial Page Writes Allowed)  
• Self-timed Write Cycle (5 ms Typical)  
• High Reliability  
2-wire Serial  
EEPROMs  
– Endurance: 100,000 Write Cycles  
– Data Retention: 40 Years  
– ESD Protection: >4000V  
128K (16,384 x 8)  
• Automotive Grade and Extended Temperature Devices Available  
• 8-pin JEDEC PDIP, 8-pin JEDEC and EIAJ SOIC, 14-pin TSSOP, 8-pin Leadless Array,  
and 8-ball dBGATM Packages  
256K (32,768 x 8)  
Description  
AT24C128  
AT24C256  
The AT24C128/256 provides 131,072/262,144 bits of serial electrically erasable and  
programmable read only memory (EEPROM) organized as 16,384/32,768 words of 8  
bits each. The device’s cascadable feature allows up to 4 devices to share a common  
2-wire bus. The device is optimized for use in many industrial and commercial applica-  
tions where low power and low voltage operation are essential. The devices are  
available in space-saving 8-pin JEDEC PDIP, 8-pin EIAJ, 8-pin JEDEC SOIC, 14-pin  
TSSOP, 8-pin LAP, and 8-ball dBGA packages. In addition, the entire family is avail-  
able in 5.0V (4.5V to 5.5V), 2.7V (2.7V to 5.5V), 2.5V (2.5V to 5.5V) and 1.8V (1.8V to  
3.6V) versions.  
8-pin PDIP  
8-pin SOIC  
Pin Configurations  
A0  
A1  
1
2
3
4
8
7
6
5
VCC  
WP  
Pin Name  
A0 - A1  
SDA  
Function  
A0  
A1  
1
2
3
4
8
7
6
5
VCC  
WP  
Address Inputs  
Serial Data  
NC  
SCL  
SDA  
NC  
SCL  
SDA  
GND  
GND  
SCL  
Serial Clock Input  
Write Protect  
No Connect  
WP  
8-pin Leadless Array  
8-ball dBGA  
VCC  
WP  
8
7
6
5
1
2
3
4
A0  
NC  
8
7
6
5
1
2
3
4
A0  
A1  
VCC  
WP  
A1  
SCL  
SDA  
NC  
GND  
NC  
SCL  
SDA  
GND  
Bottom View  
Bottom View  
14-pin TSSOP  
A0  
A1  
1
2
3
4
5
6
7
14  
VCC  
WP  
NC  
13  
12  
11  
10  
9
NC  
NC  
NC  
NC  
NC  
NC  
SCL  
SDA  
Rev. 0670E–07/01  
GND  
8
1234567...18

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