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AT25640BN-SH-T PDF预览

AT25640BN-SH-T

更新时间: 2024-11-24 06:38:19
品牌 Logo 应用领域
爱特美尔 - ATMEL 存储内存集成电路光电二极管异步传输模式ATM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
页数 文件大小 规格书
23页 678K
描述
SPI Serial EEPROMs 32K (4096 x 8) 64K (8192 x 8)

AT25640BN-SH-T 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:SOP,
针数:8Reach Compliance Code:compliant
ECCN代码:EAR99HTS代码:8542.32.00.51
风险等级:5.56Is Samacsys:N
其他特性:IT CAN ALSO OPERATES WITH 2.7V-5.5V AND 4.5V-5.5V SUPPLY最大时钟频率 (fCLK):5 MHz
JESD-30 代码:R-PDSO-G8JESD-609代码:e4
长度:4.9 mm内存密度:32768 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:4096 words字数代码:4000
工作模式:SYNCHRONOUS最高工作温度:85 °C
最低工作温度:-40 °C组织:4KX8
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):1.8 V
标称供电电压 (Vsup):2.7 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
宽度:3.9 mm最长写入周期时间 (tWC):5 ms
Base Number Matches:1

AT25640BN-SH-T 数据手册

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Features  
Serial Peripheral Interface (SPI) Compatible  
Supports SPI Modes 0 (0,0) and 3 (1,1)  
– Datasheet Describes Mode 0 Operation  
Low-voltage and Standard-voltage Operation  
– 1.8 (VCC = 1.8V to 5.5V)  
20 MHz Clock Rate (5V)  
32-byte Page Mode  
Block Write Protection  
SPI Serial  
EEPROMs  
32K (4096 x 8)  
64K (8192 x 8)  
– 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  
Automotive Devices Available  
8-lead JEDEC PDIP, 8-lead JEDEC SOIC, 8-lead Ultra Thin Mini-MAP (MLP 2x3), 8-lead  
TSSOP and 8-lead Ultra Lead Frame Land Grid Array (ULA) Packages  
Die Sales: Wafer Form, Tape and Reel, and Bumped Wafers  
AT25320B  
AT25640B  
Description  
The AT25320B/640B provides 32768/65536 bits of serial electrically-erasable pro-  
grammable read-only memory (EEPROM) organized as 4096/8192 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 AT25320B/640B is  
available in space-saving 8-lead PDIP, 8-lead JEDEC SOIC, 8-lead Ultra Thin Mini-  
MAP (MLP 2x3), 8-lead Ultra Lead Frame Land Grid Array (ULA) and 8-lead TSSOP  
packages.  
Advance  
Information  
The AT25320B/640B 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 0-1.  
Pin Name  
CS  
Pin Configuration  
Function  
8-lead PDIP  
CS  
SO  
1
2
3
4
8
7
6
5
VCC  
HOLD  
SCK  
SI  
Chip Select  
SCK  
Serial Data Clock  
Serial Data Input  
Serial Data Output  
Ground  
WP  
GND  
SI  
SO  
GND  
VCC  
8-lead TSSOP  
Power Supply  
Write Protect  
WP  
CS  
SO  
1
2
3
4
8
7
6
5
VCC  
HOLD  
SCK  
SI  
HOLD  
Suspends Serial Input  
WP  
GND  
8535B–SEEPR–7/08  

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