参数资料
型号: AT45DB041B-SI
厂商: Atmel
文件页数: 9/35页
文件大小: 0K
描述: IC FLASH 4MBIT 20MHZ 8SOIC
标准包装: 95
格式 - 存储器: 闪存
存储器类型: DataFLASH
存储容量: 4M(2048 页 x 264 字节)
速度: 20MHz
接口: SPI 3 线串行
电源电压: 2.7 V ~ 3.6 V
工作温度: -40°C ~ 85°C
封装/外壳: 8-SOIC(0.209",5.30mm 宽)
供应商设备封装: 8-SOIC
包装: 管件
AT45DB041B
take place in a maximum time of t EP . During this time, the status register will indicate that the
part is busy.
If a sector is programmed or reprogrammed sequentially page-by-page, then the programming
algorithm shown in Figure 17-1 on page 27 is recommended. Otherwise, if multiple bytes in a
page or several pages are programmed randomly in a sector, then the programming algorithm
shown in Figure 17-2 on page 28 is recommended. Each page within a sector must be
updated/rewritten at least once within every 10,000 cumulative page erase/program operations
in that sector.
5.4
Operation Mode Summary
The modes described can be separated into two groups – modes which make use of the Flash
memory array (Group A) and modes which do not make use of the Flash memory array (Group
B).
Group A modes consist of:
1. Main Memory Page Read
2. Main Memory Page to Buffer 1 (or 2) Transfer
3. Main Memory Page to Buffer 1 (or 2) Compare
4. Buffer 1 (or 2) to Main Memory Page Program with Built-in Erase
5. Buffer 1 (or 2) to Main Memory Page Program without Built-in Erase
6. Page Erase
7. Block Erase
8. Main Memory Page Program through Buffer
9. Auto Page Rewrite
Group B modes consist of:
1. Buffer 1 (or 2) Read
2. Buffer 1 (or 2) Write
3. Status Register Read
If a Group A mode is in progress (not fully completed) then another mode in Group A should not
be started. However, during this time in which a Group A mode is in progress, modes in Group B
can be started.
This gives the Serial DataFlash the ability to virtually accommodate a continuous data stream.
While data is being programmed into main memory from buffer 1, data can be loaded into buffer
2 (or vice versa). See application note AN-4 (“Using Atmel’s Serial DataFlash”) for more details.
9
3443D–DFLSH–2/08
相关PDF资料
PDF描述
AT45DB041B-SC IC FLASH 4MBIT 20MHZ 8SOIC
AT45DB041B-RI IC FLASH 4MBIT 20MHZ 28SOIC
AT45DB041B-RC IC FLASH 4MBIT 20MHZ 28SOIC
AT45DB041B-CI IC FLASH 4MBIT 20MHZ 14CBGA
AT45DB041B-CC IC FLASH 4MBIT 20MHZ 14CBGA
相关代理商/技术参数
参数描述
AT45DB041B-SI-2.5 功能描述:闪存 4MB WAFER 7 MIL - 2.5V 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
AT45DB041B-SU 功能描述:闪存 4MBIT WAFER 7 MIL 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
AT45DB041B-TC 功能描述:闪存 4M bit 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
AT45DB041B-TC-2.5 功能描述:IC FLASH 4MBIT 20MHZ 28TSOP RoHS:否 类别:集成电路 (IC) >> 存储器 系列:- 标准包装:378 系列:- 格式 - 存储器:闪存 存储器类型:FLASH 存储容量:8M(1M x 8,512K x 16) 速度:110ns 接口:并联 电源电压:2.7 V ~ 3.6 V 工作温度:-40°C ~ 85°C 封装/外壳:48-CBGA 供应商设备封装:48-CBGA(7x7) 包装:托盘
AT45DB041B-TI 功能描述:IC FLASH 4MBIT 20MHZ 28TSOP RoHS:否 类别:集成电路 (IC) >> 存储器 系列:- 标准包装:32 系列:- 格式 - 存储器:闪存 存储器类型:FLASH 存储容量:1M (128K x 8) 速度:120ns 接口:并联 电源电压:2.7 V ~ 3.6 V 工作温度:0°C ~ 70°C 封装/外壳:32-LCC(J 形引线) 供应商设备封装:32-PLCC 包装:管件 其它名称:AT49BV00112JC