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AT45DB041A-TC-2.5
P1-P3
P4-P6
P7-P9
P10-P12
P13-P15
P16-P18
P19-P21
P22-P24
P25-P27
P28-P28
AT45DB041A
22
Detailed Bit-le
vel
Read Timing
–
S
PI Mode
3
Continuous Arra
y Read (Opcode: E8H)
Burst Arra
y Read (Opcode:
E8H)
SI
1
1X
X
X
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
tSU
tV
DATA OUT
SI
1
1X
X
X
CS
SO
SCK
HIGH-IMPEDANCE
D
7
D
6
D
1
D
0
D
7
D
6
D
5
DATA OUT
BIT 2111
OF
PAGE n
LSB
MSB
tSU
tV
tBRBD
BIT 0
OF
PAGE n+1
12
63
64
65
66
AT45DB041A
23
Detailed Bit-le
vel
Read Timing
–
S
PI Mode
3 (Contin
ued)
Main Memor
y P
age Read (Opcode
: D2H)
Buffer Read (Opcode: D4H or D6H)
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
tSU
tV
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
tSU
tV
D
4
44
SI
1
1
0
10
111
CS
SO
SCK
12345
789
1
0
11
12
17
18
HIGH-IMPEDANCE
D
7
D
6
D
5
STATUS REGISTER OUTPUT
COMMAND OPCODE
MSB
tSU
tV
6
D
4
D
0
D
7
LSB
MSB
D
6
AT45DB041A
24
Figure 1.
Algorith
m for Seq
uentiall
y Programmi
ng or Reprog
ramming
the Entir
e Array
Notes
:
1.
This t
ype of al
gorithm is us
ed f
or appli
cations i
n which th
e entire arr
a
y is prog
ramm
ed seque
ntially
, fill
ing the arr
a
y
page
-by-
page.
2.
A page can be w
ritten using ei
ther a Main Me
mory Pag
e Program
operati
on or a Buff
er Write oper
ation f
ollo
wed b
y a Buff
er
to Ma
in Memo
r
y P
age
Program
operat
ion.
3.
The algori
thm abov
e shows th
e progr
amming
of a sing
le page
. The alg
orithm will be
repeated s
equentia
lly f
or each
page
within t
he entire a
rra
y
.
START
MAIN MEMORY PAGE PROGRAM
THROUGH BUFFER
(82H, 85H)
END
provide address
and data
BUFFER WRITE
(84H, 87H)
BUFFER TO MAIN
MEMORY PAGE PROGRAM
(83H, 86H)
P1-P3
P4-P6
P7-P9
P10-P12
P13-P15
P16-P18
P19-P21
P22-P24
P25-P27
P28-P28
AT45DB041A-TC-2.5
Mfr. #:
Buy AT45DB041A-TC-2.5
Manufacturer:
Description:
IC FLASH 4M SPI 10MHZ 28TSOP
Lifecycle:
New from this manufacturer.
Delivery:
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AT45DB041A-TC-2.5