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AT24C256-10TU-1.8 PDF预览

AT24C256-10TU-1.8

更新时间: 2024-11-18 12:56:23
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
23页 367K
描述
Two-wire Serial EEPROMs

AT24C256-10TU-1.8 数据手册

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Features  
Low-voltage and Standard-voltage Operation  
– 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  
Two-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 Max)  
Two-wire Serial  
EEPROMs  
High Reliability  
– Endurance: One Million Write Cycles  
– Data Retention: 40 Years  
Extended Temperature and Lead-free/Halogen-free  
Devices Available  
8-lead JEDEC PDIP, 8-lead JEDEC and EIAJ SOIC, 8-lead MAP, 8-lead TSSOP, 8-lead  
SAP and 8-ball dBGA2 Packages  
128K (16,384 x 8)  
256K (32,768 x 8)  
Die Sales: Wafer Form, Waffle Pack, and Bumped Wafers  
Description  
AT24C128(1)  
AT24C256(2)  
Notes: 1. Not recommended for  
new design; please  
refer to AT24C128B  
datasheet.  
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  
Two-wire bus. The device is optimized for use in many industrial and commercial appli-  
cations where low power and low voltage operation are essential. The devices are  
available in space-saving 8-lead JEDEC PDIP, 8-lead JEDEC SOIC, 8-lead EIAJ  
SOIC, 8-lead MAP (24C128), 8-lead TSSOP, 8-lead SOIC Array Package and 8-ball  
dBGA2 packages. In addition, the entire family is available in 2.7V (2.7V to 5.5V) and  
1.8V (1.8V to 3.6V) versions.  
2. Not recommended for  
new design; please  
refer to AT24C256B  
datasheet.  
8-lead TSSOP  
8-lead PDIP  
Table 1. Pin Configuration  
A0  
A1  
1
2
3
4
8
7
6
5
VCC  
WP  
A0  
A1  
1
2
3
4
8
7
6
5
VCC  
WP  
Pin Name  
A0 - A1  
SDA  
Function  
Address Inputs  
Serial Data  
Serial Clock Input  
Write Protect  
No Connect  
Ground  
NC  
SCL  
SDA  
NC  
SCL  
SDA  
GND  
GND  
SCL  
8-lead SOIC  
8-lead MAP  
WP  
VCC  
8
7
6
5
1
2
3
4
A0  
A0  
A1  
1
2
3
4
8
7
6
5
VCC  
WP  
NC  
WP  
SCL  
SDA  
A1  
NC  
GND  
NC  
SCL  
SDA  
GND  
GND  
Bottom View  
8-lead SAP  
8-ball dBGA2  
8
7
6
5
1
2
3
4
A0  
VCC  
WP  
VCC  
WP  
8
7
6
5
1
2
3
4
A0  
A1  
A1  
NC  
GND  
SCL  
SDA  
SCL  
SDA  
NC  
GND  
Bottom View  
Bottom View  
0670T–SEEPR–3/07  

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