AT45DB642D-CNU SL954 Atmel, AT45DB642D-CNU SL954 Datasheet - Page 45

• Manufacturer Part Number: AT45DB642D-CNU SL954
• Manufacturer: Atmel

Specifications of AT45DB642D-CNU SL954

• Density: 64Mb
• Access Time (max): 6ns
• Interface Type: Parallel/Serial-SPI
• Address Bus: 1/8Bit
• Operating Supply Voltage (typ): 3.3V
• Operating Temp Range: -40C to 85C
• Package Type: CASON
• 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: 8M
• Supply Current: 15mA
• Mounting: Surface Mount
• Pin Count: 8
• Lead Free Status / Rohs Status: Compliant

24.4
24.5
24.6
3542K–DFLASH–04/09
SCK
SCK
SO
SO
CS
CS
SI
SI
Main Memory Page Read (Opcode: D2H)
Buffer Read (Opcode D4H or D6H)
Buffer Read (Low Frequency: Opcode D1H or D3H)
SCK
SO
CS
SI
MSB
HIGH-IMPEDANCE
HIGH-IMPEDANCE
MSB
1
1
0
0
1
1
1
1
0
0
2
OPCODE
2
OPCODE
1
1
3
3
MSB
HIGH-IMPEDANCE
0
0
1
4
4
0
0
1
1
5
5
1
1
0
0
6
6
2
OPCODE
0
0
1
7
7
3
MSB
MSB
A
ADDRESS BITS
BINARY PAGE SIZE = 14 DON'T CARE + BFA9-BFA0
STANDARD DATAFLASH PAGE SIZE =
13 DON'T CARE + BFA10-BFA0
X
0
8
8
4
A
X
0
9
9
5
A
X
10 11
0
10 11
6
ADDRESS BITS
A
X
1
7
ADDRESS BITS
BINARY PAGE SIZE = 14 DON'T CARE + BFA9-BFA0
STANDARD DATAFLASH PAGE SIZE =
13 DON'T CARE + BFA10-BFA0
MSB
A
X
X
12
12
8
A
X
X
9
X
10 11
X
A
A
29 30
29 30
X
12
A
A
X
A
A
31 32
31 32
MSB
MSB
X
X
32 DON'T CARE BITS
X
33 34
X
A
33
29 30
DON'T CARE
X
X
A
34
X
X
A
35
31 32
MSB
X
D
36
X
D
37 38
33
DATA BYTE 1
X
X
D
62
34
X
X
D
63
39
35
MSB
MSB
D
D
D
64
40
36
D
D
65
D
41
37 38
DATA BYTE 1
DATA BYTE 1
D
D
66 67
D
42 43
D
D
D
39 40
MSB
D
D
D
68
44
D
D
D
69
45
D
D
70
46
D
D
71 72
47 48
MSB
MSB
D
D
D
D
45