參數(shù)資料
型號(hào): AT45DB321B-TC
廠商: ATMEL CORP
元件分類: DRAM
英文描述: 32-megabit 2.7-volt Only DataFlash
中文描述: 32M X 1 FLASH 2.7V PROM, PDSO32
封裝: 8 X 20 MM, PLASTIC, MO-142BD, TSOP1-32
文件頁數(shù): 17/32頁
文件大?。?/td> 230K
代理商: AT45DB321B-TC
17
AT45DB321B
2223D–DFLASH–10/02
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 (528 BYTES)
BUFFER 2 (528 BYTES)
BUFFER 1 (528 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
PA5-0, BA9-8
BA7-0
X
X
X
X
CS
n
n+1
SO
r , PA12-6
SI
CMD
PA5-0, XX
X
Starts reading page data into buffer
CS
SO
r , PA12-6
SI
CMD
X
X···X, BFA9-8
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
相關(guān)PDF資料
PDF描述
AT45DB321B-TI 32-megabit 2.7-volt Only DataFlash
AT45DB321C-CC 32 MEGABIT 2.7 VOLT DATAFLASH
AT45DB321C-CI 32 MEGABIT 2.7 VOLT DATAFLASH
AT45DB321C-CNC 32 MEGABIT 2.7 VOLT DATAFLASH
AT45DB321C-RC DIODE/SM,REC*1A*60V
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
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AT45DB321C 制造商:ATMEL 制造商全稱:ATMEL Corporation 功能描述:32 MEGABIT 2.7 VOLT DATAFLASH
AT45DB321C_06 制造商:ATMEL 制造商全稱:ATMEL Corporation 功能描述:32-megabit 2.7 volt DataFlash
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