AT45DB021B-CC View Datasheet(PDF) - Atmel Corporation
Part Name
Description
MFG CO.
'AT45DB021B-CC' PDF : 32 Pages View PDF
AT45DB021B
13. Detailed Bit-level Read Timing – Inactive Clock Polarity High
13.1 Continuous Array Read (Opcode: 68H)
CS
SCK
SI
SO
1
2
63 64 65 66 67
tSU
0
1
X
HIGH-IMPEDANCE
X
X
tV
DATA OUT
D7 D6 D5
13.2 Main Memory Page Read (Opcode: 52H)
CS
LSB MSB
D2 D1 D0 D7 D6 D5
BIT 2111
OF
PAGE n
BIT 0
OF
PAGE n+1
SCK
SI
SO
1
2
3
4
5
61
62
63
64
65
66
67
68
tSU
COMMAND OPCODE
0
1
0
1
0
X
X
X
X
X
HIGH-IMPEDANCE
tV
DATA OUT
D7 D6 D5 D4
MSB
13.3 Buffer Read (Opcode: 54H or 56H)
CS
SCK
SI
SO
1
2
3
4
5
37
38
39
40
41
42
43
44
tSU
COMMAND OPCODE
0
1
0
1
0
X
X
X
X
X
HIGH-IMPEDANCE
tV
DATA OUT
D7 D6 D5 D4
MSB
21
1937J–DFLSH–9/05
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