参数资料
型号: AT45DB021
厂商: Atmel Corp.
英文描述: 2-Megabit 2.7-volt Only Serial DataFlash
中文描述: 2兆位2.7伏,只有序列的DataFlash
文件页数: 8/18页
文件大小: 201K
代理商: AT45DB021
AT45DB021
8
Reset Timing (Inactive Clock Polarity Low Shown)
Command Sequence for Read/Write Operations (Except Status Register Read)
Notes:
1.
2.
3.
“r” designates bits reserved for larger densities.
It is recommended that “r” be a logical “0” for densities of 2M bit or smaller.
For densities larger than 2M bit, 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
(PA11-PA0)
Byte/Buffer Address
(BA8-BA0/BFA8-BFA0)
LSB
r r r X X 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
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
AT45DB021-RI 2-Megabit 2.7-volt Only Serial DataFlash
AT45DB021-TC 2-Megabit 2.7-volt Only Serial DataFlash
相关代理商/技术参数
参数描述
AT45DB021A 制造商:ATMEL 制造商全称:ATMEL Corporation 功能描述:2-megabit 2.7-volt Only Serial DataFlash
AT45DB021A-JC 制造商:未知厂家 制造商全称:未知厂家 功能描述:SPI Serial EEPROM
AT45DB021A-JI 制造商:未知厂家 制造商全称:未知厂家 功能描述:SPI Serial EEPROM
AT45DB021A-RC 制造商:未知厂家 制造商全称:未知厂家 功能描述:SPI Serial EEPROM
AT45DB021A-RI 制造商:ATMEL 制造商全称:ATMEL Corporation 功能描述:2-megabit 2.7-volt Only Serial DataFlash