AT45DB021D-SU Atmel, AT45DB021D-SU Datasheet - Page 39

• 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

3638J–DFLASH–5/10
SCK
Figure 19-5. Buffer Read (Opcode D4H)
Figure 19-6. Buffer Read (Low Frequency: Opcode D1H)
Figure 19-7. Read Sector Protection Register (Opcode 32H)
SO
CS
SCK
SCK
SI
SO
SO
CS
CS
SI
SI
MSB
HIGH-IMPEDANCE
1
0
MSB
HIGH-IMPEDANCE
MSB
HIGH-IMPEDANCE
1
0
1
0
0
1
1
0
0
1
1
2
OPCODE
0
1
1
2
2
OPCODE
OPCODE
3
1
1
0
3
3
4
0
0
1
4
4
5
0
0
0
5
5
6
0
1
0
6
6
7
MSB
1
0
ADDRESS BITS
BINARY PAGE SIZE = 16 DON'T CARE + BFA7-BFA0
STANDARD ATMEL DATAFLASH PAGE SIZE =
15 DON'T CARE + BFA8-BFA0
X
7
7
ADDRESS BITS
BINARY PAGE SIZE = 16 DON'T CARE + BFA7-BFA0
STANDARD ATMEL DATAFLASH PAGE SIZE =
15 DON'T CARE + BFA8-BFA0
8
MSB
MSB
X
X
X
8
8
9
X
X
X
9
9
10 11
X
X
10 11
10 11
X
X
X
DON'T CARE
X
12
X
X
12
12
X
X
X
A
29 30
A
X
29 30
29 30
A
A
X
A
31 32
MSB
A
X
31 32
31 32
X
MSB
MSB
D
D
X
33
DON'T CARE
D
D
33
33
X
34
DATA BYTE 1
DATA BYTE 1
D
D
34
34
X
35
D
D
35
35
X
36
D
D
36
36
X
37 38
Atmel AT45DB021D
D
D
37 38
37 38
X
D
D
X
39
MSB
D
D
39 40
39 40
D
40
MSB
MSB
D
D
D
41
DATA BYTE 1
D
D
42 43
D
D
44
D
45
D
46
D
47 48
MSB
D
D
39