AT45DB021D-SH-T Atmel, AT45DB021D-SH-T Datasheet - Page 38

• Manufacturer Part Number: AT45DB021D-SH-T
• Description: IC FLASH 2MBIT 66MHZ 8SOIC
• Manufacturer: Atmel

Specifications of AT45DB021D-SH-T

• Format - Memory: FLASH
• Memory Type: DataFLASH
• Memory Size: 2M (1024 pages x 264 bytes)
• Speed: 66MHz
• Interface: SPI, RapidS
• Voltage - Supply: 2.7 V ~ 3.6 V
• Operating Temperature: -40°C ~ 85°C
• Package / Case: 8-SOIC (5.3mm Width), 8-SOP, 8-SOEIAJ
• Cell Type: NOR
• Density: 2Mb
• Access Time (max): 6ns
• Interface Type: Serial (SPI)
• Boot Type: Not Required
• Address Bus: 1b
• Operating Supply Voltage (typ): 3/3.3V
• Operating Temp Range: -40C to 85C
• Package Type: SOIC EIAJ
• Program/erase Volt (typ): 2.7 to 3.6V
• Sync/async: Synchronous
• Operating Temperature Classification: Industrial
• Operating Supply Voltage (min): 2.7V
• Operating Supply Voltage (max): 3.6V
• Word Size: 8b
• Number Of Words: 256K
• Supply Current: 15mA
• Mounting: Surface Mount
• Pin Count: 8
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

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