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參數(shù)資料
| 型號： | AT45DB021D-SSU |
| 廠商： | ATMEL CORP |
| 元件分類： | DRAM |
| 英文描述： | 2-megabit 2.7-volt DataFlash |
| 中文描述： | 2M X 1 FLASH 2.7V PROM, PDSO8 |
| 封裝： | 0.150 INCH, GREEN, PLASTIC, MS-012AA, SOIC-8 |
| 文件頁數(shù)： | 1/52頁 |
| 文件大?。?/td> | 1108K |
| 代理商： | AT45DB021D-SSU |
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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 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
相關(guān)PDF資料 |
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 |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| AT45DB021D-SU | 功能描述:閃存 2M SERIAL 2.7V - IND TEMP RoHS:否 制造商:ON Semiconductor 數(shù)據(jù)總線寬度:1 bit 存儲類型:Flash 存儲容量:2 MB 結(jié)構(gòu):256 K x 8 定時類型: 接口類型:SPI 訪問時間: 電源電壓-最大:3.6 V 電源電壓-最小:2.3 V 最大工作電流:15 mA 工作溫度:- 40 C to + 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體: 封裝:Reel |
| AT45DB021E-MHD-T | 功能描述:閃存 2 Megabit 2.7V-3.6V RoHS:否 制造商:ON Semiconductor 數(shù)據(jù)總線寬度:1 bit 存儲類型:Flash 存儲容量:2 MB 結(jié)構(gòu):256 K x 8 定時類型: 接口類型:SPI 訪問時間: 電源電壓-最大:3.6 V 電源電壓-最小:2.3 V 最大工作電流:15 mA 工作溫度:- 40 C to + 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體: 封裝:Reel |
| AT45DB021E-MHD-Y | 功能描述:閃存 2 Megabit 2.7V-3.6V RoHS:否 制造商:ON Semiconductor 數(shù)據(jù)總線寬度:1 bit 存儲類型:Flash 存儲容量:2 MB 結(jié)構(gòu):256 K x 8 定時類型: 接口類型:SPI 訪問時間: 電源電壓-最大:3.6 V 電源電壓-最小:2.3 V 最大工作電流:15 mA 工作溫度:- 40 C to + 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體: 封裝: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:閃存 2M 1.65-3.6V 70Mhz Serial 閃存 RoHS:否 制造商:ON Semiconductor 數(shù)據(jù)總線寬度:1 bit 存儲類型:Flash 存儲容量:2 MB 結(jié)構(gòu):256 K x 8 定時類型: 接口類型:SPI 訪問時間: 電源電壓-最大:3.6 V 電源電壓-最小:2.3 V 最大工作電流:15 mA 工作溫度:- 40 C to + 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體: 封裝:Reel |
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