AT45DB041 ATMEL Corporation, AT45DB041 Datasheet - Page 8
AT45DB041
Manufacturer Part Number
AT45DB041
Description
4-Megabit 2.7-volt Only Serial DataFlash
Manufacturer
ATMEL Corporation
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Reset Timing (Inactive Clock Polarity Low Shown)
Command Sequence for Read/Write Operations (Except Status Register Read)
Notes:
8
2.
3.
1.
RESET
SCK
“r” designates bits reserved for larger densities.
It is recommended that “r” be a logical “0” for densities of 4M bit or smaller.
For densities larger than 4M bit, the “r” bits become the most significant Page Address bit for the appropriate density.
SO
CS
SI
AT45DB041
MSB
HIGH IMPEDANCE
larger densities
Reserved for
SI
r r r r X X X X
CMD
Page Address
(PA10-PA0)
X X X X X X X X
8 bits
8 bits
(BA8-BA0/BFA8-BFA0)
Byte/Buffer Address
X X X X X X X X
8 bits
tRST
tREC
HIGH IMPEDANCE
LSB
tCSS