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AT25256-10UC-2.7 PDF预览

AT25256-10UC-2.7

更新时间: 2024-11-11 20:20:31
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内存集成电路
页数 文件大小 规格书
21页 318K
描述
EEPROM, 32KX8, Serial, CMOS, PBGA8, DBGA-8

AT25256-10UC-2.7 技术参数

是否Rohs认证: 不符合生命周期:Obsolete
零件包装代码:BGA包装说明:FBGA, BGA8,2X4,30
针数:8Reach Compliance Code:unknown
ECCN代码:EAR99HTS代码:8542.32.00.51
风险等级:5.79Is Samacsys:N
最大时钟频率 (fCLK):2.1 MHz数据保留时间-最小值:200
耐久性:100000 Write/Erase CyclesJESD-30 代码:R-PBGA-B8
JESD-609代码:e0长度:3.86 mm
内存密度:262144 bit内存集成电路类型:EEPROM
内存宽度:8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:70 °C最低工作温度:
组织:32KX8封装主体材料:PLASTIC/EPOXY
封装代码:FBGA封装等效代码:BGA8,2X4,30
封装形状:RECTANGULAR封装形式:GRID ARRAY, FINE PITCH
并行/串行:SERIAL峰值回流温度(摄氏度):NOT SPECIFIED
电源:3/5 V认证状态:Not Qualified
串行总线类型:SPI最大待机电流:0.000002 A
子类别:EEPROMs最大压摆率:0.005 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):3.3 V表面贴装:YES
技术:CMOS温度等级:COMMERCIAL
端子面层:Tin/Lead (Sn/Pb)端子形式:BALL
端子节距:0.75 mm端子位置:BOTTOM
处于峰值回流温度下的最长时间:NOT SPECIFIED宽度:2.95 mm
最长写入周期时间 (tWC):10 ms写保护:HARDWARE/SOFTWARE
Base Number Matches:1

AT25256-10UC-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)  
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)  
3 MHz Clock Rate  
64-byte Page Mode and Byte Write Operation  
Block Write Protection  
– Protect 1/4, 1/2, or Entire Array  
SPI Serial  
EEPROMs  
128K (16,384 x 8)  
256K (32,768 x 8)  
Write Protect (WP) Pin and Write Disable Instructions for  
Both Hardware and Software Data Protection  
Self-timed Write Cycle (5 ms Typical)  
High-reliability  
– Endurance: 100,000 Write Cycles  
– Data Retention: >200 Years  
– ESD Protection: >4000V  
Automotive Grade and Extended Temperature Devices Available  
8-pin PDIP, 8-pin EIAJ SOIC, 8-pin and 16-pin JEDEC SOIC, 14-pin and 20-pin TSSOP,  
8-pin Leadless Array, and 8-ball dBGAPackages  
AT25128  
AT25256  
Description  
The AT25128/256 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 commercial applications  
(continued)  
Pin Configurations  
14-lead TSSOP  
20-lead TSSOP*  
Pin Name  
Function  
NC  
CS  
1
2
3
4
5
6
7
8
9
10  
20  
19  
18  
17  
16  
15  
14  
13  
12  
11  
NC  
CS  
SO  
1
2
3
4
5
6
7
14  
13  
12  
11  
10  
9
VCC  
HOLD  
NC  
VCC  
HOLD  
HOLD  
NC  
CS  
Chip Select  
NC  
SO  
SCK  
SI  
Serial Data Clock  
Serial Data Input  
Serial Data Output  
Ground  
NC  
NC  
SO  
NC  
NC  
NC  
WP  
GND  
SCK  
SI  
NC  
NC  
8
WP  
GND  
DC  
SCK  
SI  
SO  
GND  
VCC  
WP  
DC  
NC  
NC  
Power Supply  
Write Protect  
Suspends Serial Input  
No Connect  
8-ball dBGA  
8-pin Leadless Array  
HOLD  
NC  
8
7
6
5
1
2
3
4
VCC  
HOLD  
SCK  
SI  
CS  
CS  
8
7
6
5
1
2
3
4
VCC  
HOLD  
SCK  
SI  
SO  
SO  
WP  
GND  
WP  
GND  
DC  
Don't Connect  
16-pin SOIC  
Bottom View  
8-pin PDIP  
Bottom View  
8-pin SOIC  
CS  
SO  
1
16  
15  
VCC  
HOLD  
NC  
2
NC  
3
4
5
6
7
8
14  
13  
12  
11  
10  
9
NC  
NC  
CS  
SO  
WP  
1
2
3
4
8
7
6
5
VCC  
HOLD  
SCK  
SI  
CS  
1
2
3
4
8
7
6
5
VCC  
NC  
NC  
SO  
WP  
HOLD  
SCK  
SI  
NC  
NC  
WP  
GND  
SCK  
SI  
GND  
GND  
Rev. 0872G–01/01  
*Note: Pins 3, 4 and 17, 18 are internally connected for 14-lead TSSOP socket compatibility.  

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