AT45DB021D-SU Atmel, AT45DB021D-SU Datasheet - Page 38

• Manufacturer Part Number: AT45DB021D-SU
• Description: Flash 2M SERIAL 2.7V - IND TEMP
• Manufacturer: Atmel

Specifications of AT45DB021D-SU

• Product Category: Flash
• Rohs: yes
• Memory Size: 2 Mbit
• Architecture: Sectored
• Interface Type: SPI
• Supply Voltage - Max: 3.6 V
• Supply Voltage - Min: 2.7 V
• Maximum Operating Current: 15 mA
• Operating Temperature: + 85 C
• Mounting Style: SMD/SMT
• Package / Case: SOIC
• Organization: 32 KB x 8
• Factory Pack Quantity: 95

38
SCK
SCK
Figure 19-2. Continuous Array Read (Opcode 0BH)
Figure 19-3. Continuous Array Read (Low Frequency: Opcode 03H)
Figure 19-4. Main Memory Page Read (Opcode: D2H)
SO
SO
CS
CS
SCK
Atmel AT45DB021D
SI
SI
SO
CS
SI
MSB
HIGH-IMPEDANCE
MSB
HIGH-IMPEDANCE
0
1
0
0
MSB
HIGH-IMPEDANCE
0
0
1
0
1
1
0
0
0
1
2
2
OPCODE
OPCODE
0
0
1
2
OPCODE
3
3
0
1
0
3
4
4
0
0
0
4
5
5
0
1
1
5
6
6
1
1
0
6
7
7
MSB
MSB
1
A
A
7
8
8
MSB
A
A
A
8
9
9
ADDRESS BITS A17 - A0
A
A
A
10 11
9
10 11
ADDRESS BITS A17-A0
ADDRESS BITS
A
A
10 11
A
A
A
A
12
12
A
12
A
A
A
A
A
29 30
29 30
A
A
29 30
A
A
A
A
31 32
31 32
MSB
MSB
A
31 32
X
X
32 DON'T CARE BITS
MSB
D
X
X
33 34
33 34
DON'T CARE
D
33
X
X
DATA BYTE 1
D
34
X
X
35
D
X
35
36 37
D
X
36
D
37 38
X
X
38
62
D
X
X
39
63
MSB
MSB
D
D
39 40
D
40
64
MSB
D
D
D
41
65
DATA BYTE 1
DATA BYTE 1
D
D
D
42 43
66 67
D
D
D
D
44
68
D
D
45
69
D
D
3638J–DFLASH–5/10
46
70
D
D
47 48
71 72
MSB
MSB
D
D
D
D