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24C128 PDF预览

24C128

更新时间: 2022-11-27 07:53:02
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
15页 228K
描述
2-Wire Serial EEPROMs

24C128 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)  
– 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) 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, and  
8-Pin Leadless Array Packages  
256K (32,768 x 8)  
AT24C128  
AT24C256  
Description  
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 avail-  
able in space-saving 8-pin JEDEC PDIP, 8-pin EIAJ, 8-pin JEDEC SOIC, 14-pin  
TSSOP, and 8-pin LAP packages. In addition, the entire family is available in 5.0V  
(4.5V to 5.5V), 2.7V (2.7V to 5.5V) and 1.8V (1.8V to 3.6V) versions.  
Pin Configurations  
8-Pin PDIP  
Pin Name  
A0 to A1  
SDA  
Function  
A0  
A1  
1
2
3
4
8
7
6
5
VCC  
WP  
Address Inputs  
Serial Data  
NC  
SCL  
SDA  
GND  
SCL  
Serial Clock Input  
Write Protect  
No Connect  
WP  
8-Pin SOIC  
NC  
A0  
A1  
1
2
3
4
8
7
6
5
VCC  
WP  
14-Pin TSSOP  
NC  
SCL  
SDA  
GND  
A0  
A1  
1
2
3
4
5
6
7
14  
VCC  
WP  
NC  
13  
12  
11  
10  
9
NC  
NC  
NC  
8-Pin Leadless Array  
NC  
NC  
VCC  
WP  
8
7
6
5
1
2
3
4
A0  
NC  
SCL  
SDA  
A1  
GND  
8
SCL  
SDA  
NC  
GND  
Rev. 0670C–08/98  
Bottom View  

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