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AT24C02CU3-CUM-T PDF预览

AT24C02CU3-CUM-T

更新时间: 2024-11-26 03:51:43
品牌 Logo 应用领域
美国微芯 - MICROCHIP 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
27页 616K
描述
EEPROM, 256KX8, Serial, PBGA8

AT24C02CU3-CUM-T 数据手册

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Features  
Low-voltage and Standard-voltage Operation  
– VCC = 1.7V 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 (1.7V, 2.5V, 2.7V) Compatibility  
Write Protect Pin for Hardware Data Protection  
8-byte Page (2K) Write Modes  
Two-wire  
Partial Page Writes Allowed  
Serial EEPROM  
2K (256 x 8)  
Self-timed Write Cycle (5 ms max)  
High-reliability  
– Endurance: 1 Million Write Cycles  
– Data Retention: 100 Years  
Green (Pb/Halide-free/RoHS Compliant) Package Options  
Die Sales: Wafer Form and Tape and Reel  
AT24C02C  
Preliminary  
Description  
The AT24C02C 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 AT24C02C is available in space-saving  
8-lead PDIP, 8-lead JEDEC SOIC, 8-lead UDFN, 5-lead SOT23, 8-lead TSSOP, and  
8-ball VFBGA packages and is accessed via a Two-wire serial interface.  
Table 0-1.  
Pin Name  
A0 - A2  
SDA  
Pin Configuration  
Function  
Address Inputs  
Serial Data  
8-lead UDFN  
8-ball VFBGA  
SCL  
Serial Clock Input  
Write Protect  
Ground  
VCC 8  
1 A0  
2 A1  
3 A2  
4 GND  
8
7
6
5
1
2
3
4
A0  
VCC  
WP  
WP 7  
SCL 6  
SDA 5  
Bottom View  
A1  
WP  
A2  
SCL  
SDA  
GND  
GND  
VCC  
Power Supply  
Bottom View  
8-lead TSSOP  
8-lead SOIC  
A0  
A1  
1
2
3
4
8
7
6
5
VCC  
WP  
Note:  
For use of 5-lead SOT23, the  
software A2, A1, and A0 bits in  
the device address word  
must be set to zero to prop-  
erly communicate.  
A0  
A1  
1
2
3
4
8
7
6
5
VCC  
WP  
SCL  
SDA  
A2  
SCL  
SDA  
A2  
GND  
GND  
8-lead PDIP  
5-lead SOT23  
8
7
6
5
VCC  
A0  
1
2
3
4
WP  
SCL  
1
2
3
5
WP  
SCL  
SDA  
A1  
A2  
GND  
SDA  
8700B–DEEPR–2/10  
VCC  
4
GND  

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