參數(shù)資料
型號: 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): 16/32頁
文件大小: 230K
代理商: AT45DB321B-TC
16
AT45DB321B
2223D–DFLASH–10/02
Write Operations
The following block diagram and waveforms illustrate the various write sequences
available.
Main Memory Page Program through Buffers
Buffer Write
Buffer to Main Memory Page Program (Data from Buffer Programmed into Flash Page)
Each transition represents
8 bits and 8 clock cycles
FLASH MEMORY ARRAY
PAGE (528 BYTES)
BUFFER 2 (528 BYTES)
BUFFER 1 (528 BYTES)
I/O INTERFACE
SI
BUFFER 1 TO
MAIN MEMORY
PAGE PROGRAM
MAIN MEMORY
PAGE PROGRAM
THROUGH BUFFER 2
BUFFER 2 TO
MAIN MEMORY
PAGE PROGRAM
MAIN MEMORY PAGE
PROGRAM THROUGH
BUFFER 1
BUFFER 1
WRITE
BUFFER 2
WRITE
SI
CMD
n
n+1
Last Byte
· Completes writing into selected buffer
· Starts self-timed erase/program operation
CS
r , PA12-6
PA5-0, BFA9-8
BFA7-0
SI
CMD
X
X···X, BFA9-8
BFA7-0
n
n+1
Last Byte
· Completes writing into selected buffer
CS
SI
CMD
PA5-0, XX
X
CS
Starts self-timed erase/program operation
r , PA12-6
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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