User Manual

27
AT45DB642
1638F–DFLSH–09/02
Detailed Bit-level Read Timing – SPI Mode 3
Continuous Array Read (Opcode: E8H)
Burst Array Read with Synchronous Delay (Opcode: E9H)
SI
0
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 8447
OF
PAGE n
LSB MSB
tSU
tV
DATA OUT
SI
0
1XXX
CS
SO
SCK
HIGH IMPEDANCE
D
7
D
6
DATA OUT
tSU
tV
12
63 64 65 66
1
2
31
32
33
32 CLOCKS
D
1
D
0
D
7
D
6
BIT 8447
OF
PAGE n
LSB MSB
BIT 0
OF
PAGE n+1
Don't Care