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AT25256A-10TU-2.7 PDF预览

AT25256A-10TU-2.7

更新时间: 2024-11-11 04:33:07
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
21页 438K
描述
SPI Serial EEPROMs

AT25256A-10TU-2.7 技术参数

是否Rohs认证: 符合生命周期:Obsolete
零件包装代码:TSSOP包装说明:4.40 MM, GREEN, PLASTIC, MO-153AA, TSSOP-8
针数:8Reach Compliance Code:unknown
ECCN代码:EAR99HTS代码:8542.32.00.51
风险等级:5.69最大时钟频率 (fCLK):10 MHz
数据保留时间-最小值:100耐久性:1000000 Write/Erase Cycles
JESD-30 代码:R-PDSO-G8JESD-609代码:e3
长度:4.4 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:85 °C最低工作温度:-40 °C
组织:32KX8封装主体材料:PLASTIC/EPOXY
封装代码:TSSOP封装等效代码:TSSOP8,.25
封装形状:RECTANGULAR封装形式:SMALL OUTLINE, THIN PROFILE, SHRINK PITCH
并行/串行:SERIAL峰值回流温度(摄氏度):260
电源:3/5 V认证状态:Not Qualified
座面最大高度:1.2 mm串行总线类型:SPI
最大待机电流:0.000003 A子类别:EEPROMs
最大压摆率:0.01 mA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:INDUSTRIAL端子面层:Matte Tin (Sn)
端子形式:GULL WING端子节距:0.65 mm
端子位置:DUAL处于峰值回流温度下的最长时间:40
宽度:3 mm最长写入周期时间 (tWC):5 ms
写保护:HARDWARE/SOFTWAREBase Number Matches:1

AT25256A-10TU-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  
Low-voltage and Standard-voltage Operation  
– 2.7 (VCC = 2.7V to 5.5V)  
– 1.8 (VCC = 1.8V to 5.5V)  
20 MHz Clock Rate (5V)  
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  
Automotive Grade, Extended Temperature and Lead-free/Halogen-free  
Devices Available  
SPI Serial  
EEPROMs  
128K (16,384 x 8)  
256K (32,768 x 8)  
8-lead PDIP, 8-lead EIAJ SOIC, 8-lead JEDEC SOIC, 8-lead TSSOP, 8-ball dBGA2 and  
8-lead SAP Packages  
Die Sales: Wafer Form, Waffle Pack, and Bumped Die  
AT25128A  
AT25256A  
Description  
The AT25128A/256A provides 131,072/262,144 bits of serial electrically-erasable  
programmable 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 commercial appli-  
cations where low-power and low-voltage operation are essential. The devices are  
available in space saving 8-lead PDIP, 8-lead EIAJ SOIC, 8-lead JEDEC SOIC, 8-  
lead TSSOP, 8-ball dBGA2 and 8-lead SAP packages. In addition, the entire family is  
available in 2.7V (2.7V to 5.5V) and 1.8V (1.8V to 5.5V) versions.  
The AT25128A/256A is enabled through the Chip Select pin (CS) and accessed via  
a 3-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.  
8-lead SOIC  
8-lead PDIP  
Table 1. Pin Configurations  
CS  
SO  
1
2
3
4
8
7
6
5
VCC  
HOLD  
SCK  
SI  
CS  
SO  
1
2
3
4
8
7
6
5
VCC  
HOLD  
SCK  
SI  
Pin Name  
CS  
Function  
WP  
WP  
GND  
GND  
Chip Select  
SCK  
SI  
Serial Data Clock  
Serial Data Input  
Serial Data Output  
Ground  
8-lead SAP  
8-lead TSSOP  
VCC  
8
7
6
5
1
2
3
4
CS  
CS  
SO  
1
2
3
4
8
7
6
5
VCC  
HOLD  
SCK  
SI  
HOLD  
SCK  
SI  
SO  
SO  
WP  
GND  
WP  
GND  
VCC  
WP  
GND  
Bottom View  
8-ball dBGA2  
Power Supply  
Write Protect  
Suspends Serial Input  
No Connect  
8
7
6
5
1
2
3
4
CS  
VCC  
SO  
HOLD  
SCK  
WP  
GND  
HOLD  
NC  
SI  
Bottom View  
3368H–SEEPR–8/05  

AT25256A-10TU-2.7 替代型号

型号 品牌 替代类型 描述 数据表
AT25256A-10TI-2.7 ATMEL

完全替代

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