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): 15/32頁
文件大?。?/td> 230K
代理商: AT45DB321B-TC
15
AT45DB321B
2223D–DFLASH–10/02
Reset Timing (Inactive Clock Polarity Low Shown)
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)
Notes:
1. “r” designates bits reserved for larger densities.
2. It is recommended that “r” be a logical “0” for densities of 32M bits or smaller.
3. For densities larger than 32M bits, the “r” bits become the most significant Page Address bit for the appropriate density.
CS
SCK
RESET
SO
HIGH IMPEDANCE
HIGH IMPEDANCE
SI
t
RST
t
REC
t
CSS
SI
CMD
8 bits
8 bits
8 bits
MSB
Reserved for
larger densities
Page Address
(PA12-PA0)
Byte/Buffer Address
(BA9-BA0/BFA9-BFA0)
LSB
r X X X X X X X
X X X X X X X X
X X X X X X X X
相關PDF資料
PDF描述
AT45DB321B-TI 32-megabit 2.7-volt Only DataFlash
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