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AT25256AN-10SN-2.7 PDF预览

AT25256AN-10SN-2.7

更新时间: 2024-02-14 21:27:15
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时钟ATM异步传输模式光电二极管内存集成电路
页数 文件大小 规格书
18页 413K
描述
EEPROM, 32KX8, Serial, CMOS, PDSO8, 0.150 INCH, PLASTIC, MS-012AA, SOIC-8

AT25256AN-10SN-2.7 技术参数

是否Rohs认证:符合生命周期:Obsolete
包装说明:0.150 INCH, PLASTIC, MS-012AA, SOIC-8Reach Compliance Code:compliant
ECCN代码:EAR99HTS代码:8542.32.00.51
风险等级:5.72Is Samacsys:N
最大时钟频率 (fCLK):5 MHzJESD-30 代码:R-PDSO-G8
JESD-609代码:e3长度:4.9 mm
内存密度:262144 bit内存集成电路类型:EEPROM
内存宽度:8湿度敏感等级:1
功能数量:1端子数量:8
字数:32768 words字数代码:32000
工作模式:SYNCHRONOUS最高工作温度:125 °C
最低工作温度:-40 °C组织:32KX8
封装主体材料:PLASTIC/EPOXY封装代码:SOP
封装形状:RECTANGULAR封装形式:SMALL OUTLINE
并行/串行:SERIAL峰值回流温度(摄氏度):260
认证状态:Not Qualified座面最大高度:1.75 mm
串行总线类型:SPI最大供电电压 (Vsup):5.5 V
最小供电电压 (Vsup):2.7 V标称供电电压 (Vsup):5 V
表面贴装:YES技术:CMOS
温度等级:AUTOMOTIVE端子面层:MATTE TIN
端子形式:GULL WING端子节距:1.27 mm
端子位置:DUAL处于峰值回流温度下的最长时间:40
宽度:3.9 mm最长写入周期时间 (tWC):5 ms
Base Number Matches:1

AT25256AN-10SN-2.7 数据手册

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Features  
Serial Peripheral Interface (SPI) Compatible  
Supports SPI Modes 0 (0,0) and 3 (1,1)  
– Data Sheet Describes Mode 0 Operation  
Medium-voltage and Standard-voltage Operation  
– 5.0 (VCC = 4.5V to 5.5V)  
– 2.7 (VCC = 2.7V to 5.5V)  
Automotive Temperature Range 40°C to +125°C  
5 MHz Clock Rate  
64-byte Page Mode and Byte Write Operation  
Block Write Protection  
– Protect 1/4, 1/2, or Entire Array  
Write Protect (WP) Pin and Write Disable Instructions for both Hardware and Software  
Data Protection  
Self-timed Write Cycle (5 ms max)  
High Reliability  
– Endurance: 1 Million Write Cycles  
– Data Retention: >100 Years  
8-lead PDIP, 8-lead JEDEC SOIC, and 8-lead TSSOP Packages  
SPI Serial  
Automotive  
Temperature  
EEPROMs  
128K (16,384 x 8)  
256K (32,768 x 8)  
Description  
The AT25128A/256A provides 131,072/262,144 bits of serial electrically-erasable pro-  
grammable read-only memory (EEPROM) organized as 16,384/32,768 words of 8 bits  
each. The device is optimized for use in many industrial and automotive applications  
where low-power and low-voltage operation are essential. The devices are available in  
space-saving 8-lead PDIP, 8-lead JEDEC SOIC, and 8-lead TSSOP packages.  
AT25128A  
AT25256A  
The AT25128A/256A is enabled through the Chip Select pin (CS) and accessed via a  
three-wire interface consisting of Serial Data Input (SI), Serial Data Output (SO), and  
Serial Clock (SCK). All programming cycles are completely self-timed, and no sepa-  
rate erase cycle is required before write.  
Table 1. Pin Configurations  
8-Lead PDIP  
Pin Name  
CS  
Function  
1
2
3
4
8
7
6
5
CS  
SO  
WP  
VCC  
HOLD  
SCK  
SI  
Chip Select  
SCK  
SI  
Serial Data Clock  
Serial Data Input  
Serial Data Output  
Ground  
GND  
SO  
8-lead SOIC  
GND  
VCC  
WP  
CS  
SO  
WP  
VCC  
1
2
3
4
8
7
6
5
Power Supply  
Write Protect  
Suspends Serial Input  
No Connect  
HOLD  
SCK  
SI  
GND  
HOLD  
NC  
8-lead TSSOP  
DC  
Don't Connect  
1
2
3
4
8
7
6
5
CS  
SO  
WP  
VCC  
HOLD  
SCK  
SI  
GND  
5088E–SEEPR–10/05  

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