16

3443C–DFLSH–5/05

AT45DB041B

11.4

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 4M bits or smaller.

3. For densities larger than 4M bits, the “r” bits become the most significant Page Address bit for the appropriate density.

SI

CMD

8 bits

8 bits

8 bits

MSB

Reserved for

larger densities

Page Address

(PA10-PA0)

Byte/Buffer Address

(BA8-BA0/BFA8-BFA0)

LSB

r r r r X X X X

X X X X X X X X

X X X X X X X X