参数资料
型号: AT45DB021B-CC
厂商: ATMEL CORP
元件分类: DRAM
英文描述: 2-megabit 2.7-volt Only DataFlash??
中文描述: 2M X 1 FLASH 2.7V PROM, PBGA9
封装: 5 X 5 MM, 1.20 MM HEIGHT, 1 MM PITCH, PLASTIC, CBGA-9
文件页数: 15/33页
文件大小: 261K
代理商: AT45DB021B-CC
15
AT45DB021B
1937F
DFLSH
10/02
Reset Timing (Inactive Clock Polarity Low Shown)
Note:
The CS signal should be in the high state before the RESET signal is deasserted.
Command Sequence for Read/Write Operations (except Status Register Read)
Notes:
1.
r
designates bits reserved for larger densities.
2. It is recommended that
r
be a logical
0
for densities of 2M bits or smaller.
3. For densities larger than 2M bits, the
r
bits become the most significant Page Address bit for the appropriate density.
CS
SCK
RESET
SO
HIGH IMPEDANCE
HIGH IMPEDANCE
SI
tRST
tREC
tCSS
SI
CMD
8 bits
8 bits
8 bits
MSB
Reserved for
larger densities
Page Address
(PA9-PA0)
Byte/Buffer Address
(BA8-BA0/BFA8-BFA0)
LSB
r r r r r X X X
X X X X X X X X
X X X X X X X X
相关PDF资料
PDF描述
AT45DB021B-CI 2-megabit 2.7-volt Only DataFlash??
AT45DB021B-RC 2-megabit 2.7-volt Only DataFlash??
AT45DB021B-RI 2-megabit 2.7-volt Only DataFlash??
AT45DB021B-SI 2-megabit 2.7-volt Only DataFlash??
AT45DB021B-TC 2-megabit 2.7-volt Only DataFlash??
相关代理商/技术参数
参数描述
AT45DB021B-CI 功能描述:闪存 DATAFLASH 2M SERIAL 2.7V CBGA 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
AT45DB021B-CU 制造商:ATMEL 制造商全称:ATMEL Corporation 功能描述:2-megabit 2.7-volt Only DataFlash
AT45DB021B-RC 功能描述:闪存 2M 2.7V 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
AT45DB021B-RI 功能描述:闪存 2M 2.7V 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
AT45DB021B-RU 制造商:ATMEL 制造商全称:ATMEL Corporation 功能描述:2-megabit 2.7-volt Only DataFlash