45DB041B Datasheet, PDF (18/33 Pages) ATMEL Corporation – 4-megabit 2.5-volt Only or 2.7-volt Only DataFlash

Detailed Bit-level Read Timing – Inactive Clock Polarity Low
Continuous Array Read (Opcode: 68H)
CS
SCK
SI
SO
1
2
63
t_SU
0
1
X
HIGH-IMPEDANCE
64 65
X
t_V
66 67 68
DATA OUT
D7 D6 D5
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
1
2
3
4
5
60
61
62
63
64
65
66
67
t_SU
COMMAND OPCODE
SI
0
1
0
1
0
X
X
X
X
X
t_V
DATA OUT
HIGH-IMPEDANCE
SO
D7 D6 D5
MSB
18 AT45DB041B
1938F–DFLSH–10/02