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AT49F002A-55JU PDF预览

AT49F002A-55JU

更新时间： 2024-11-05 03:02:15
品牌 Logo 应用领域
爱特美尔 - ATMEL ATM异步传输模式内存集成电路
页数 文件大小 规格书
20页 1098K
描述
Flash, 256KX8, 55ns, PQCC32, PLASTIC, MS-016AE, LCC-32

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中文翻译

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AT49F002A-55JU 技术参数

是否Rohs认证： 符合生命周期：Obsolete
零件包装代码：QFJ包装说明：PLASTIC, MS-016AE, LCC-32
针数：32Reach Compliance Code：compliant
ECCN代码：EAR99HTS代码：8542.32.00.51
风险等级：5.62最长访问时间：55 ns
JESD-30 代码：R-PQCC-J32JESD-609代码：e3
长度：13.97 mm内存密度：2097152 bit
内存集成电路类型：FLASH内存宽度：8
湿度敏感等级：2功能数量：1
端子数量：32字数：262144 words
字数代码：256000工作模式：ASYNCHRONOUS
最高工作温度：85 °C最低工作温度：-40 °C
组织：256KX8封装主体材料：PLASTIC/EPOXY
封装代码：QCCJ封装形状：RECTANGULAR
封装形式：CHIP CARRIER并行/串行：PARALLEL
峰值回流温度（摄氏度）：245编程电压：5 V
认证状态：Not Qualified座面最大高度：3.556 mm
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：MATTE TIN端子形式：J BEND
端子节距：1.27 mm端子位置：QUAD
处于峰值回流温度下的最长时间：40类型：NOR TYPE
宽度：11.43 mm

AT49F002A-55JU 数据手册

 浏览型号AT49F002A-55JU的Datasheet PDF文件第2页浏览型号AT49F002A-55JU的Datasheet PDF文件第3页浏览型号AT49F002A-55JU的Datasheet PDF文件第4页浏览型号AT49F002A-55JU的Datasheet PDF文件第5页浏览型号AT49F002A-55JU的Datasheet PDF文件第6页浏览型号AT49F002A-55JU的Datasheet PDF文件第7页 
Features  
• Single-voltage Operation  
– 5V Read  
– 5V Reprogramming  
• Fast Read Access Time – 55 ns  
• Internal Program Control and Timer  
• Sector Architecture  
– One 16K Bytes Boot Block with Programming Lockout  
– Two 8K Bytes Parameter Blocks  
– Four Main Memory Blocks (One 32K Bytes, Three 64K Bytes)  
• Fast Erase Cycle Time – 4 Seconds  
• Byte-by-Byte Programming – 20 µs/Byte Typical  
• Hardware Data Protection  
2-megabit  
(256K x 8)  
5-volt Only  
Flash Memory  
• DATA Polling for End of Program Detection  
• Low Power Dissipation  
– 30 mA Active Current  
– 100 µA CMOS Standby Current  
• Typical 10,000 Write Cycles  
• Green (Pb/Halide-free) Packaging Option  
AT49F002A  
AT49F002AN  
AT49F002AT  
AT49F002ANT  
1. Description  
The AT49F002A(N)(T) is a 5-volt only in-system reprogrammable Flash memory. Its  
2 megabits of memory is organized as 262,144 words by 8 bits. Manufactured with  
Atmel’s advanced nonvolatile CMOS technology, the device offers access times to  
55 ns with power dissipation of just 165 mW over the industrial temperature range.  
Not Recommended  
When the device is deselected, the CMOS standby current is less than 100 µA. For  
the AT49F002AN(T) pin 1 for the PLCC package and pin 9 for the TSOP package are  
no connect pins.  
for New Design  
Contact Atmel to discuss  
the latest design in trends  
and options  
To allow for simple in-system reprogrammability, the AT49F002A(N)(T) does not  
require high input voltages for programming. Five-volt-only commands determine the  
read and programming operation of the device. Reading data out of the device is sim-  
ilar to reading from an EPROM; it has standard CE, OE, and WE inputs to avoid bus  
contention. Reprogramming the AT49F002A(N)(T) is performed by erasing a block of  
data and then programming on a byte-by-byte basis. The byte programming time is a  
fast 20 µs. The end of a program cycle can be optionally detected by the DATA polling  
feature. Once the end of a byte program cycle has been detected, a new access for a  
read or program can begin. The typical number of program and erase cycles is in  
excess of 10,000 cycles.  
The device is erased by executing the erase command sequence; the device inter-  
nally controls the erase operations. There are two 8K byte parameter block sections,  
four main memory blocks, and one boot block.  
The device has the capability to protect the data in the boot block; this feature is  
enabled by a command sequence. The 16K-byte boot block section includes a repro-  
gramming lock out feature to provide data integrity. The boot sector is designed to  
contain user secure code, and when the feature is enabled, the boot sector is pro-  
tected from being reprogrammed.  
3354G–FLASH–3/05  
1234567...20

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与AT49F002A-55JU相关器件

型号 品牌 获取价格 描述 数据表
AT49F002A-55TI ATMEL

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 		2-megabit (256K x 8) 5-volt Only Flash Memory
AT49F002A-55TL ATMEL

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 		Flash, 256KX8, 55ns, PDSO32, 8 X 20 MM, PLASTIC, MO-142BD, TSOP1-32
AT49F002A-55TU ATMEL

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 		Flash, 256KX8, 55ns, PDSO32, 8 X 20 MM, PLASTIC, MO-142BD, TSOP1-32
AT49F002A-55VI ATMEL

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 		2-megabit (256K x 8) 5-volt Only Flash Memory
AT49F002A-55VL ATMEL

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 		Flash, 256KX8, 55ns, PDSO32, 8 X 14 MM, PLASTIC, MO-142BA, VSOP1-32
AT49F002A-55VU ATMEL

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 		Flash, 256KX8, 55ns, PDSO32, 8 X 14 MM, PLASTIC, MO-142BA, TSOP1-32
AT49F002AN ATMEL

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 		2-megabit (256K x 8) 5-volt Only Flash Memory
AT49F002AN-55JC ATMEL

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 		Flash, 256KX8, 55ns, PQCC32, PLASTIC, MS-016AE, LCC-32
AT49F002AN-55JI ATMEL

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 		2-megabit (256K x 8) 5-volt Only Flash Memory
AT49F002AN-55JL ATMEL

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 		Flash, 256KX8, 55ns, PQCC32, PLASTIC, MS-016AE, LCC-32

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