AT45DB021D-MH-T PDF预览

AT45DB021D-MH-T

更新时间: 2025-07-28 06:38:23
品牌 Logo 应用领域
爱特美尔 - ATMEL 闪存
页数 文件大小 规格书
54页 1690K
描述
2-megabit 2.7-volt Minimum DataFlash

AT45DB021D-MH-T 技术参数

是否Rohs认证: 符合生命周期:Obsolete
零件包装代码:SON包装说明:VSON, SOLCC8,.25
针数:8Reach Compliance Code:unknown
ECCN代码:EAR99HTS代码:8542.32.00.51
风险等级:5.58其他特性:ORGANIZED AS 1,024 PAGES OF 264 BYTES EACH
最大时钟频率 (fCLK):66 MHz数据保留时间-最小值:20
耐久性:100000 Write/Erase CyclesJESD-30 代码:R-PDSO-N8
JESD-609代码:e4长度:6 mm
内存密度:2097152 bit内存集成电路类型:FLASH
内存宽度:1功能数量:1
端子数量:8字数:2097152 words
字数代码:2000000工作模式:SYNCHRONOUS
最高工作温度:85 °C最低工作温度:-40 °C
组织:2MX1封装主体材料:PLASTIC/EPOXY
封装代码:VSON封装等效代码:SOLCC8,.25
封装形状:RECTANGULAR封装形式:SMALL OUTLINE, VERY THIN PROFILE
并行/串行:SERIAL电源:3/3.3 V
编程电压:2.7 V认证状态:Not Qualified
座面最大高度:0.6 mm串行总线类型:SPI
最大待机电流:0.000015 A子类别:Flash Memories
最大压摆率:0.02 mA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:Nickel/Palladium/Gold (Ni/Pd/Au)
端子形式:NO LEAD端子节距:1.27 mm
端子位置:DUAL类型:NOR TYPE
宽度:5 mm写保护:HARDWARE/SOFTWARE
Base Number Matches:1

AT45DB021D-MH-T 数据手册

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Features  
Single 2.7V to 3.6V Supply  
RapidS Serial Interface: 66 MHz Maximum Clock Frequency  
– SPI Compatible Modes 0 and 3  
User Configurable Page Size  
– 256 Bytes per Page  
– 264 Bytes per Page  
– Page Size Can Be Factory Pre-configured for 256 Bytes  
Page Program Operation  
– Intelligent Programming Operation  
– 1,024 Pages (256/264 Bytes/Page) Main Memory  
Flexible Erase Options  
2-megabit  
2.7-volt  
– Page Erase (256 Bytes)  
Minimum  
DataFlash®  
– Block Erase (2 Kbytes)  
– Sector Erase (32 Kbytes)  
– Chip Erase (2 Mbits)  
One SRAM Data Buffer (256/264 Bytes)  
Continuous Read Capability through Entire Array  
– Ideal for Code Shadowing Applications  
Low-power Dissipation  
AT45DB021D  
– 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 AT45DB021D is a 2.7V, serial-interface Flash memory ideally suited for a wide  
variety of digital voice-, image-, program code- and data-storage applications. The  
AT45DB021D supports RapidS serial interface for applications requiring very high  
speed operations. RapidS serial interface is SPI compatible for frequencies up to 66  
MHz. Its 2,162,688 bits of memory are organized as 1,024 pages of 256 bytes or 264  
bytes each. In addition to the main memory, the AT45DB021D also contains one  
SRAM buffer of 256/264 bytes. EEPROM emulation (bit or byte alterability) is easily  
handled with a self-contained three step read-modify-write operation. Unlike conven-  
tional Flash memories that are accessed randomly with multiple address lines and a  
parallel interface, the DataFlash® uses a RapidS serial interface to sequentially  
access its data. The simple sequential access dramatically reduces active pin count,  
facilitates hardware layout, increases system reliability, minimizes switching noise,  
and reduces package size.  
3638I–DFLASH–04/09  

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