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AT45DB021-JC Datasheet(PDF) 13 Page - ATMEL Corporation

Part # AT45DB021-JC
Description  2-Megabit 2.7-volt Only Serial DataFlash
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Manufacturer  ATMEL [ATMEL Corporation]
Direct Link  http://www.atmel.com
Logo ATMEL - ATMEL Corporation

AT45DB021-JC Datasheet(HTML) 13 Page - ATMEL Corporation

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AT45DB021
13
Table 1
Table 1.
Main Memory
Page Read
Buffer 1
Read
Buffer 2
Read
Main Memory
Page to Buffer 1
Transfer
Main Memory
Page to Buffer 2
Transfer
Main Memory
Page to Buffer 1
Compare
Main Memory
Page to Buffer 2
Compare
Buffer 1
Write
Buffer 2
Write
Opcode
52H
54H
56H
53H
55H
60H
61H
84H
87H
0
0
0
0
000
1
1
1
1
1
1
111
0
0
0
0
0
0
011
0
0
1
1
1
1
100
0
0
0
0
0
0
000
0
0
0
1
1
0
100
1
1
1
0
1
1
000
0
1
0
0
0
1
101
0
1
r
X
X
rrrr
X
X
r
X
X
rrrr
X
X
r
X
X
rrrr
X
X
r
X
X
rrrr
X
X
r
X
X
rrrr
X
X
PA9
X
X
PA9
PA9
PA9
PA9
X
X
PA8
X
X
PA8
PA8
PA8
PA8
X
X
PA7
X
X
PA7
PA7
PA7
PA7
X
X
PA6
X
X
PA6
PA6
PA6
PA6
X
X
PA5
X
X
PA5
PA5
PA5
PA5
X
X
PA4
X
X
PA4
PA4
PA4
PA4
X
X
PA3
X
X
PA3
PA3
PA3
PA3
X
X
PA2
X
X
PA2
PA2
PA2
PA2
X
X
PA1
X
X
PA1
PA1
PA1
PA1
X
X
PA0
X
X
PA0
PA0
PA0
PA0
X
X
BA8
BFA8
BFA8
XXXX
BFA8
BFA8
BA7
BFA7
BFA7
XXXX
BFA7
BFA7
BA6
BFA6
BFA6
XXXX
BFA6
BFA6
BA5
BFA5
BFA5
XXXX
BFA5
BFA5
BA4
BFA4
BFA4
XXXX
BFA4
BFA4
BA3
BFA3
BFA3
XXXX
BFA3
BFA3
BA2
BFA2
BFA2
XXXX
BFA2
BFA2
BA1
BFA1
BFA1
XXXX
BFA1
BFA1
BA0
BFA0
BFA0
XXXX
BFA0
BFA0
XX
X
X (Don’t Care)
r (reserved bits)
XX
X
XX
X
XX
X
XX
X
XX
X
XX
X
XX
X
X (64th bit)


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