参数资料
型号: AT45DB011B-XU
厂商: Atmel
文件页数: 15/32页
文件大小: 0K
描述: IC FLASH 1MBIT 20MHZ 14TSSOP
标准包装: 96
格式 - 存储器: 闪存
存储器类型: DataFLASH
存储容量: 1M(512 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: 14-TSSOP(0.173",4.40mm 宽)
供应商设备封装: 14-TSSOP
包装: 管件
AT45DB011B
Reset Timing (Inactive Clock Polarity Low Shown)
CS
SCK
RESET
SO
SI
HIGH IMPEDANCE
tREC
tRST
tCSS
HIGH IMPEDANCE
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)
SI
CMD
8 bits
8 bits
8 bits
MSB
r r r r
r r XX
XXXX XXXX
XXXX XXXX
LSB
Reserved for
larger densities
Page Address
(PA8-PA0)
Byte/Buffer Address
(BA8-BA0/BFA8-BFA0)
Notes:
1. “r” designates bits reserved for larger densities.
2. It is recommended that “r” be a logical “0”.
3. For densities larger than 1M bit, the “r” bits become the most significant Page Address bit for the appropriate density.
15
1984J–DFLASH–06/06
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