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参数资料
型号： AT45DB021D-SSU
厂商： ATMEL CORP
元件分类： DRAM
英文描述： 2-megabit 2.7-volt DataFlash
中文描述： 2M X 1 FLASH 2.7V PROM, PDSO8
封装： 0.150 INCH, GREEN, PLASTIC, MS-012AA, SOIC-8
文件页数： 1/52页
文件大小： 1108K
代理商： AT45DB021D-SSU
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 Program Operation
– Intelligent Programming Operation
– 1,024 Pages (256/264 Bytes/Page) Main Memory
Flexible Erase Options
– Page Erase (256 Bytes)
– 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
– 7 mA Active Read Current Typical
– 25 μA Standby Current Typical
– 5 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.
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.
Description
2-megabit
2.7-volt
DataFlash
AT45DB021D
Preliminary
3638B–DFLASH–02/07
相关PDF资料
PDF描述
AT45DB021D-SU 2-megabit 2.7-volt DataFlash
AT45DB021 2-Megabit 2.7-volt Only Serial DataFlash
AT45DB021-JC 2-Megabit 2.7-volt Only Serial DataFlash
AT45DB021-JI 2-Megabit 2.7-volt Only Serial DataFlash
AT45DB021-RC 2-Megabit 2.7-volt Only Serial DataFlash
相关代理商/技术参数
参数描述
AT45DB021D-SU 功能描述:闪存 2M SERIAL 2.7V - IND TEMP RoHS:否 制造商:ON Semiconductor 数据总线宽度:1 bit 存储类型:Flash 存储容量:2 MB 结构:256 K x 8 定时类型: 接口类型:SPI 访问时间: 电源电压-最大:3.6 V 电源电压-最小:2.3 V 最大工作电流:15 mA 工作温度:- 40 C to + 85 C 安装风格:SMD/SMT 封装 / 箱体: 封装:Reel
AT45DB021E-MHD-T 功能描述:闪存 2 Megabit 2.7V-3.6V RoHS:否 制造商:ON Semiconductor 数据总线宽度:1 bit 存储类型:Flash 存储容量:2 MB 结构:256 K x 8 定时类型: 接口类型:SPI 访问时间: 电源电压-最大:3.6 V 电源电压-最小:2.3 V 最大工作电流:15 mA 工作温度:- 40 C to + 85 C 安装风格:SMD/SMT 封装 / 箱体: 封装:Reel
AT45DB021E-MHD-Y 功能描述:闪存 2 Megabit 2.7V-3.6V RoHS:否 制造商:ON Semiconductor 数据总线宽度:1 bit 存储类型:Flash 存储容量:2 MB 结构:256 K x 8 定时类型: 接口类型:SPI 访问时间: 电源电压-最大:3.6 V 电源电压-最小:2.3 V 最大工作电流:15 mA 工作温度:- 40 C to + 85 C 安装风格:SMD/SMT 封装 / 箱体: 封装:Reel
AT45DB021E-MHN2B-T 制造商:Adesto Technologies Corporation 功能描述:8-UDFN (5X6), IND TEMP, 1.65V, T&R, 256 BYTE PAGE - Tape and Reel 制造商:Adesto Technologies Corporation 功能描述:IC FLASH 2MBIT 70MHZ 8UDFN
AT45DB021E-MHN-T 功能描述:闪存 2M 1.65-3.6V 70Mhz Serial 闪存 RoHS:否 制造商:ON Semiconductor 数据总线宽度:1 bit 存储类型:Flash 存储容量:2 MB 结构:256 K x 8 定时类型: 接口类型:SPI 访问时间: 电源电压-最大:3.6 V 电源电压-最小:2.3 V 最大工作电流:15 mA 工作温度:- 40 C to + 85 C 安装风格:SMD/SMT 封装 / 箱体: 封装:Reel
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