AT45DB021B-CU ATMEL [ATMEL Corporation], AT45DB021B-CU Datasheet - Page 24
![no-image](/images/no-image-200.jpg)
AT45DB021B-CU
Manufacturer Part Number
AT45DB021B-CU
Description
2-megabit 2.7-volt Only DataFlash
Manufacturer
ATMEL [ATMEL Corporation]
Datasheet
1.AT45DB021B-CU.pdf
(32 pages)
- Current page: 24 of 32
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15.2
15.3
15.4
24
SCK
CS
SO
SCK
SCK
SI
SO
SO
CS
CS
Main Memory Page Read (Opcode: D2H)
Buffer Read (Opcode: D4H or D6H)
Status Register Read (Opcode: D7H)
SI
SI
AT45DB021B
t
SU
t
t
SU
SU
1
1
1
1
1
1
2
HIGH-IMPEDANCE
COMMAND OPCODE
COMMAND OPCODE
2
2
1
1
1
3
COMMAND OPCODE
3
3
0
0
0
4
HIGH-IMPEDANCE
HIGH-IMPEDANCE
4
4
1
1
1
5
5
5
0
0
0
6
1
7
1
X
X
8
t
61
37
V
1
X
X
9
62
38
MSB
D 7
X
X
10
63
39
D 6
STATUS REGISTER OUTPUT
X
X
11
64
40
t
t
D 5
V
V
X
X
12
65
41
D 4
MSB
MSB
D 7
D 7
66
42
DATA OUT
DATA OUT
D 6
D 6
67
43
LSB
D 0
D 5
D 5
17
MSB
68
44
D 7
D 4
D 4
1937J–DFLSH–9/05
18
D 6
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