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AT25256B-MAHL-E PDF预览

AT25256B-MAHL-E

更新时间: 2024-01-07 09:11:39
品牌 Logo 应用领域
美国微芯 - MICROCHIP 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光电二极管内存集成电路
页数 文件大小 规格书
22页 770K
描述
EEPROM, 32KX8, Serial, CMOS, PDSO8

AT25256B-MAHL-E 技术参数

是否Rohs认证:符合生命周期:Active
包装说明:2 X 3 MM, 0.60 MM HEIGHT, 0.50 MM PITCH, GREEN, PLASTIC, MO-229, UDFN-8Reach Compliance Code:compliant
ECCN代码:EAR99HTS代码:8542.32.00.51
风险等级:1.68Is Samacsys:N
其他特性:ALSO OPERATES AT MIN 1.8 V AT 5 MHZ最大时钟频率 (fCLK):20 MHz
JESD-30 代码:R-PDSO-N8JESD-609代码:e4
长度:3 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:HVSON封装形状:RECTANGULAR
封装形式:SMALL OUTLINE, HEAT SINK/SLUG, VERY THIN PROFILE并行/串行:SERIAL
峰值回流温度(摄氏度):260座面最大高度:0.6 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):4.5 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:Nickel/Palladium/Gold (Ni/Pd/Au)
端子形式:NO LEAD端子节距:0.5 mm
端子位置:DUAL处于峰值回流温度下的最长时间:40
宽度:2 mm最长写入周期时间 (tWC):5 ms
Base Number Matches:1

AT25256B-MAHL-E 数据手册

 浏览型号AT25256B-MAHL-E的Datasheet PDF文件第2页浏览型号AT25256B-MAHL-E的Datasheet PDF文件第3页浏览型号AT25256B-MAHL-E的Datasheet PDF文件第4页浏览型号AT25256B-MAHL-E的Datasheet PDF文件第5页浏览型号AT25256B-MAHL-E的Datasheet PDF文件第6页浏览型号AT25256B-MAHL-E的Datasheet PDF文件第7页 
AT25128B and AT25256B  
SPI Serial EEPROM  
128K (16,384 x 8), 256K (32,768 x 8)  
DATASHEET  
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  
VCC = 1.8V to 5.5V  
̶
20MHz 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 (5ms max)  
High Reliability  
̶
̶
Endurance: 1,000,000 Write Cycles  
Data Retention: 100 Years  
Green (Pb/Halogen-free/RoHS Compliant) Packaging Options  
Die Sales: Wafer Form, Waffle Pack, and Bumped Wafers  
Description  
The Atmel® AT25128B/256B 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 applications where low-power and low-voltage  
operation are essential. The AT25128B/256B is available in space saving JEDEC  
SOIC, TSSOP, UDFN, and VFBGA packages.  
The AT25128B/256B 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  
separate erase cycle is required before write.  
Block Write protection is enabled by programming the status register with one of  
four blocks of Write Protection. Separate Program Enable and Program Disable  
instructions are provided for additional data protection. Hardware Data Protection  
is provided via the WP pin to protect against inadvertent write attempts. The  
HOLD pin may be used to suspend any serial communication without resetting the  
serial sequence.  
Atmel-8698E-SEEPROM-AT25128B-256B-Datasheet_012015  

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