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AT45DB321D-SU-SL955 PDF预览

AT45DB321D-SU-SL955

更新时间： 2024-02-25 21:10:03
品牌 Logo 应用领域
爱特美尔 - ATMEL /
页数 文件大小 规格书
57页 1838K
描述
32-megabit 2.7-volt DataFlash

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中文翻译

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AT45DB321D-SU-SL955 技术参数

是否Rohs认证： 符合生命周期：Obsolete
零件包装代码：SOIC包装说明：SOIC-8
针数：8Reach Compliance Code：unknown
ECCN代码：3A991.B.1.AHTS代码：8542.32.00.51
风险等级：5.6其他特性：ORGANIZED AS 8192 PAGES OF 512 BYTES EACH
最大时钟频率 (fCLK)：66 MHzJESD-30 代码：R-PDSO-G8
JESD-609代码：e3长度：5.29 mm
内存密度：33554432 bit内存集成电路类型：FLASH
内存宽度：1湿度敏感等级：1
功能数量：1端子数量：8
字数：33554432 words字数代码：32000000
工作模式：SYNCHRONOUS最高工作温度：85 °C
最低工作温度：-40 °C组织：32MX1
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峰值回流温度（摄氏度）：260
编程电压：2.7 V认证状态：Not Qualified
座面最大高度：2.16 mm最大供电电压 (Vsup)：3.6 V
最小供电电压 (Vsup)：2.7 V标称供电电压 (Vsup)：3 V
表面贴装：YES技术：CMOS
温度等级：INDUSTRIAL端子面层：Matte Tin (Sn)
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：NOT SPECIFIED
宽度：5.24 mm

AT45DB321D-SU-SL955 数据手册

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Features  
• Single 2.7V - 3.6V Supply  
• RapidS Serial Interface: 66 MHz Maximum Clock Frequency  
– SPI Compatible Modes 0 and 3  
• User Configurable Page Size  
– 512 Bytes per Page  
– 528 Bytes per Page  
– Page Size Can Be Factory Pre-configured for 512 Bytes  
• Page Program Operation  
– Intelligent Programming Operation  
– 8,192 Pages (512/528 Bytes/Page) Main Memory  
• Flexible Erase Options  
32-megabit  
2.7-volt  
DataFlash®  
– Page Erase (512 Bytes)  
– Block Erase (4 Kbytes)  
– Sector Erase (64 Kbytes)  
– Chip Erase (32 Mbits)  
• Two SRAM Data Buffers (512/528 Bytes)  
– Allows Receiving of Data while Reprogramming the Flash Array  
• Continuous Read Capability through Entire Array  
– Ideal for Code Shadowing Applications  
• Low-power Dissipation  
AT45DB321D  
– 7 mA Active Read Current Typical  
– 25 µA Standby Current Typical  
– 15 µA Deep Power Down Typical  
• Hardware and Software Data Protection Features  
– Individual Sector  
• Sector Lockdown for Secure Code and Data Storage  
– Individual Sector  
• Security: 128-byte Security Register  
– 64-byte User Programmable Space  
– Unique 64-byte Device Identifier  
• JEDEC Standard Manufacturer and Device ID Read  
• 100,000 Program/Erase Cycles Per Page Minimum  
• Data Retention – 20 Years  
• Industrial Temperature Range  
• Green (Pb/Halide-free/RoHS Compliant) Packaging Options  
1. Description  
The AT45DB321D is a 2.7-volt, serial-interface sequential access Flash memory  
ideally suited for a wide variety of digital voice-, image-, program code- and data-stor-  
age applications. The AT45DB321D supports RapidS serial interface for applications  
requiring very high speed operations. RapidS serial interface is SPI compatible for  
frequencies up to 66 MHz. Its 34,603,008 bits of memory are organized as 8,192  
pages of 512 bytes or 528 bytes each. In addition to the main memory, the  
AT45DB321D also contains two SRAM buffers of 512/528 bytes each. The buffers  
allow the receiving of data while a page in the main Memory is being reprogrammed,  
as well as writing a continuous data stream. EEPROM emulation (bit or byte alterabil-  
ity) is easily handled with a self-contained three step read-modify-write operation.  
Unlike conventional Flash memories that are accessed randomly with multiple  
address lines and a parallel interface, the DataFlash uses a RapidS serial interface to  
3597N–DFLASH–04/09  
1234567...57

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