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AT45DB021B-SU

P1-P3P4-P6P7-P9P10-P12P13-P15P16-P18P19-P21P22-P24P25-P27P28-P30P31-P32
22
1937J–DFLSH–9/05
AT45DB021B
13.4 Status Register Read (Opcode: 57H)
14. Detailed Bit-level Read Timing – SPI Mode 0
14.1 Continuous Array Read (Opcode: E8H)
14.2 Main Memory Page Read (Opcode: D2H)
SI
0
1
0
10
111
CS
SO
SCK
12345 7891011 12 17 18
HIGH-IMPEDANCE
D
7
D
6
D
5
STATUS REGISTER OUTPUT
COMMAND OPCODE
MSB
t
SU
t
V
6
D
4
D
0
D
7
LSB MSB
D
6
SI
1
1XXX
CS
SO
SCK
12 62 63 64 65 66 67
HIGH-IMPEDANCE
D
7
D
6
D
5
D
2
D
1
D
0
D
7
D
6
D
5
DATA OUT
BIT 0
OF
PAGE n+1
BIT 2111
OF
PAGE n
LSB MSB
t
SU
t
V
SI
1
1
0
10
XXX
CS
SO
SCK
12345 60 61 62 63 64 65 66 67
XX
HIGH-IMPEDANCE
D
7
D
6
D
5
DATA OUT
COMMAND OPCODE
MSB
t
SU
t
V
D
4
23
1937J–DFLSH–9/05
AT45DB021B
14.3 Buffer Read (Opcode: D4H or D6H)
14.4 Status Register Read (Opcode: D7H)
15. Detailed Bit-level Read Timing – SPI Mode 3
15.1 Continuous Array Read (Opcode: E8H)
SI
1
1
0
10
XXX
CS
SO
SCK
12345 36 37 38 39 40 41 42 43
XX
HIGH-IMPEDANCE
COMMAND OPCODE
t
SU
D
7
D
6
D
5
DATA OUT
MSB
t
V
D
4
SI
1
1
0
10
111
CS
SO
SCK
12345 7891011 12 16 17
HIGH-IMPEDANCE
STATUS REGISTER OUTPUT
COMMAND OPCODE
MSB
t
SU
6
D
1
D
0
D
7
LSB MSB
D
7
D
6
D
5
t
V
D
4
SI
1
1XXX
CS
SO
SCK
12 63 64 65 66 67
HIGH-IMPEDANCE
D
7
D
6
D
5
D
2
D
1
D
0
D
7
D
6
D
5
BIT 0
OF
PAGE n+1
BIT 2111
OF
PAGE n
LSB MSB
t
SU
t
V
DATA OUT
24
1937J–DFLSH–9/05
AT45DB021B
15.2 Main Memory Page Read (Opcode: D2H)
15.3 Buffer Read (Opcode: D4H or D6H)
15.4 Status Register Read (Opcode: D7H)
SI
1
1
0
10
XXX
CS
SO
SCK
12345 61 62 63 64 65 66 67
XX
HIGH-IMPEDANCE
D
7
D
6
D
5
DATA OUT
COMMAND OPCODE
MSB
t
SU
t
V
D
4
68
SI
1
1
0
10
XXX
CS
SO
SCK
12345 37 38 39 40 41 42 43
XX
HIGH-IMPEDANCE
D
7
D
6
D
5
DATA OUT
COMMAND OPCODE
MSB
t
SU
t
V
D
4
44
SI
1
1
0
10
111
CS
SO
SCK
12345 7891011 12 17 18
HIGH-IMPEDANCE
D
7
D
6
D
5
STATUS REGISTER OUTPUT
COMMAND OPCODE
MSB
t
SU
t
V
6
D
4
D
0
D
7
LSB MSB
D
6
P1-P3P4-P6P7-P9P10-P12P13-P15P16-P18P19-P21P22-P24P25-P27P28-P30P31-P32

AT45DB021B-SU

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Buy AT45DB021B-SU
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Description:
IC FLASH 2M SPI 20MHZ 8SOIC
Lifecycle:
New from this manufacturer.
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