AT45DB081B-CU ATMEL [ATMEL Corporation], AT45DB081B-CU Datasheet - Page 21

• Manufacturer Part Number: AT45DB081B-CU
• Description: 8-megabit 2.5-volt Only or 2.7-volt Only DataFlash
• Manufacturer: ATMEL [ATMEL Corporation]

Detailed Bit-level Read Timing – Inactive Clock Polarity High (Continued)
Buffer Read (Opcode: 54H or 56H)
Status Register Read (Opcode: 57H)
2225I–DFLSH–9/05
SCK
SO
CS
SCK
SI
CS
SO
SI
t
SU
t
SU
1
1
0
0
2
HIGH-IMPEDANCE
COMMAND OPCODE
2
1
1
3
COMMAND OPCODE
3
0
0
4
HIGH-IMPEDANCE
4
1
1
5
5
0
0
6
1
7
1
X
8
t
37
V
1
X
9
38
MSB
D 7
X
10
39
D 6
STATUS REGISTER OUTPUT
X
11
40
t
D 5
V
X
12
41
D 4
MSB
D 7
42
DATA OUT
D 6
AT45DB081B
43
LSB
D 0
D 5
17
MSB
44
D 7
D 4
18
D 6
21