AT45DB161B-CNU ATMEL Corporation, AT45DB161B-CNU Datasheet - Page 15

• Manufacturer Part Number: AT45DB161B-CNU
• Description: 16 MEGABIT 2.5-VOLT ONLY OR 2.7-VOLT ONLY DATAFLASH
• Manufacturer: ATMEL Corporation

Reset Timing (Inactive Clock Polarity Low Shown)
Note:
Command Sequence for Read/Write Operations (except Status Register Read)
Notes:
2224I–DFLSH–10/04
The CS signal should be in the high state before the RESET signal is deasserted.
1. “r” designates bits reserved for larger densities.
2. It is recommended that “r” be a logical “0” for densities of 16M bits or smaller.
3. For densities larger than 16M bits, the “r” bits become the most significant Page Address bit for the appropriate density.
RESET
SCK
SO
CS
SI
MSB
larger densities
Reserved for
HIGH IMPEDANCE
SI
r r X X X X X X
Page Address
(PA11-PA0)
CMD
X X X X X X X X
8 bits
8 bits
(BA9-BA0/BFA9-BFA0)
Byte/Buffer Address
X X X X X X X X
8 bits
t
RST
t
REC
HIGH IMPEDANCE
LSB
AT45DB161B
t
CSS
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