参数资料
型号: AT45DB081B-TU
厂商: ATMEL CORP
元件分类: DRAM
英文描述: 8-megabit 2.5-volt Only or 2.7-volt Only DataFlash
中文描述: 1081344 X 8 FLASH 2.7V PROM, PDSO28
封装: 8 X 13.40 MM, PLASTIC, GREEN, MO-183, TSOP1-28
文件页数: 17/33页
文件大小: 339K
代理商: AT45DB081B-TU
17
AT45DB081B
2225I–DFLSH–9/05
Read Operations
The following block diagram and waveforms illustrate the various read sequences
available.
Main Memory Page Read
Main Memory Page to Buffer Transfer (Data from Flash Page Read into Buffer)
Buffer Read
FLASH MEMORY ARRAY
PAGE (264 BYTES)
BUFFER 2 (264 BYTES)
BUFFER 1 (264 BYTES)
I/O INTERFACE
MAIN MEMORY
PAGE TO
BUFFER 1
MAIN MEMORY
PAGE TO
BUFFER 2
MAIN MEMORY
PAGE READ
BUFFER 1
READ
BUFFER 2
READ
SO
SI
CMD
r r r , PA11-7
PA6-0, BA8
BA7-0
X
X
X
X
CS
n
n+1
SO
SI
CMD
r r r , PA11-7
PA6-0, X
X
Starts reading page data into buffer
CS
SO
SI
CMD
X
X···X, BFA8
BFA7-0
CS
n
n+1
SO
X
Each transition represents
8 bits and 8 clock cycles
n = 1st byte read
n+1 = 2nd byte read
相关PDF资料
PDF描述
AT45DB081B 8-megabit 2.5-volt Only or 2.7-volt Only DataFlash
AT45DB081B-CC-2.5 SERIAL EEPROM|FLASH|4KX264X8|CMOS|BGA|14PIN|PLASTIC
AT45DB081B-RC-2.5 SERIAL EEPROM|FLASH|4KX264X8|CMOS|SOP|28PIN|PLASTIC
AT45DB081B-TC SERIAL EEPROM|FLASH|4KX264X8|CMOS|TSSOP|28PIN|PLASTIC
AT45DB081B-TC-2.5 SERIAL EEPROM|FLASH|4KX264X8|CMOS|TSSOP|28PIN|PLASTIC
相关代理商/技术参数
参数描述
AT45DB081D 制造商:ATMEL 制造商全称:ATMEL Corporation 功能描述:8-megabit 2.5-volt or 2.7-volt DataFlash
AT45DB081D_07 制造商:ATMEL 制造商全称:ATMEL Corporation 功能描述:8-megabit 2.5-volt or 2.7-volt DataFlash
AT45DB081D_08 制造商:ATMEL 制造商全称:ATMEL Corporation 功能描述:8-megabit 2.5-volt or 2.7-volt DataFlash
AT45DB081D_09 制造商:ATMEL 制造商全称:ATMEL Corporation 功能描述:8-megabit 2.5-volt or 2.7-volt DataFlash
AT45DB081D_13 制造商:AD 制造商全称:Analog Devices 功能描述:8-megabit 2.5V or 2.7V DataFlash