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AT25020B-SSHL-B PDF预览

AT25020B-SSHL-B

更新时间: 2024-11-19 12:26:51
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
27页 1424K
描述
SPI Serial EEPROM

AT25020B-SSHL-B 技术参数

是否Rohs认证: 符合生命周期:Transferred
零件包装代码:SOIC包装说明:0.150 INCH, GREEN, PLASTIC, MS-012AA, SOIC-8
针数:8Reach Compliance Code:unknown
ECCN代码:EAR99HTS代码:8542.32.00.51
风险等级:3.66最大时钟频率 (fCLK):5 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:e4
长度:4.925 mm内存密度:2048 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:256 words
字数代码:256工作模式:SYNCHRONOUS
最高工作温度:85 °C最低工作温度:-40 °C
组织:256X8封装主体材料:PLASTIC/EPOXY
封装代码:SOP封装等效代码:SOP8,.25
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
电源:2/5 V认证状态:Not Qualified
座面最大高度:1.75 mm串行总线类型:SPI
最大待机电流:5e-7 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):1.8 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: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
写保护:HARDWARE/SOFTWAREBase Number Matches:1

AT25020B-SSHL-B 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  
– VCC = 1.8V to 5.5V  
20 MHz Clock Rate (5V)  
8-byte Page Mode  
Block Write Protection  
SPI Serial  
EEPROM  
1K (128x8)  
– 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: One Million Write Cycles  
– Data Retention: 100 Years  
2K (256x8)  
Green (Pb/Halogen-free/Rohs Compliant) Packaging Options  
Die Sales: Wafer Form, Waffle Pack, Bumped Wafers  
4K (512x8)  
Description  
AT25010B  
AT25020B  
AT25040B  
The AT25010B/020B/040B provides 1024/2048/4096 bits of serial electrically eras-  
able programmable read-only memory (EEPROM) organized as 128/256/512 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  
AT25010B/020B/040B is available in space saving, JEDEC SOIC, UDFN, TSSOP,  
XDFN and VFBGA packages.  
The AT25010B/020B/040B 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  
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.  
Table 0-1.  
Pin Configuration  
SOIC, TSSOP  
Pin Name  
CS  
Function  
CS  
SO  
VCC  
1
2
3
4
8
7
6
5
Chip Select  
HOLD  
SCK  
SI  
WP  
SCK  
SI  
Serial Data Clock  
Serial Data Input  
Serial Data Output  
Ground  
GND  
SO  
8-lead UDFN, XDFN  
8-ball VFBGA  
GND  
VCC  
8
7
6
5
1
2
3
4
VCC  
HOLD  
SCK  
SI  
8
7
6
5
1
2
3
4
CS  
VCC  
HOLD  
SCK  
SI  
CS  
Power Supply  
Write Protect  
SO  
SO  
WP  
WP  
GND  
WP  
GND  
HOLD  
Suspends Serial Input  
8707B–SEEPR–3/10  
Bottom View  
Bottom View  

AT25020B-SSHL-B 替代型号

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