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參數資料
| 型號： | AT45DB021-JC |
| 廠商： | ATMEL CORP |
| 元件分類： | DRAM |
| 英文描述： | 2-Megabit 2.7-volt Only Serial DataFlash |
| 中文描述： | 264K X 8 FLASH 2.7V PROM, PQCC32 |
| 封裝： | PLASTIC, MS-016AE, LCC-32 |
| 文件頁數： | 13/18頁 |
| 文件大小： | 201K |
| 代理商： | AT45DB021-JC |
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
Opcode
55H
0
1
0
1
0
1
0
1
r
r
r
r
r
PA9
PA8
PA7
PA6
PA5
PA4
PA3
PA2
PA1
PA0
X
X
X
X
X
X
X
X
X
Main Memory
Page to Buffer 1
Compare
Main Memory
Page to Buffer 2
Compare
Buffer 1
Write
Buffer 2
Write
52H
0
1
0
1
0
0
1
0
54H
0
1
0
1
0
1
0
0
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
BFA8
BFA7
BFA6
BFA5
BFA4
BFA3
BFA2
BFA1
BFA0
X
X
X
X
X
X
X
X
56H
0
1
0
1
0
1
1
0
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
BFA8
BFA7
BFA6
BFA5
BFA4
BFA3
BFA2
BFA1
BFA0
X
X
X
X
X
X
X
X
53H
0
1
0
1
0
0
1
1
60H
0
1
1
0
0
0
0
0
61H
0
1
1
0
0
0
0
1
84H
1
0
0
0
0
1
0
0
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
BFA8
BFA7
BFA6
BFA5
BFA4
BFA3
BFA2
BFA1
BFA0
87H
1
0
0
0
0
1
1
1
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
BFA8
BFA7
BFA6
BFA5
BFA4
BFA3
BFA2
BFA1
BFA0
r
r
r
r
r
r
r
r
r
r
r
r
r
r
r
r
r
r
r
r
PA9
PA8
PA7
PA6
PA5
PA4
PA3
PA2
PA1
PA0
BA8
BA7
BA6
BA5
BA4
BA3
BA2
BA1
BA0
X
X
X
X
X
X
X
X
PA9
PA8
PA7
PA6
PA5
PA4
PA3
PA2
PA1
PA0
X
X
X
X
X
X
X
X
X
PA9
PA8
PA7
PA6
PA5
PA4
PA3
PA2
PA1
PA0
X
X
X
X
X
X
X
X
X
PA9
PA8
PA7
PA6
PA5
PA4
PA3
PA2
PA1
PA0
X
X
X
X
X
X
X
X
X
X (Don’t Care)
r (reserved bits)
X (64th bit)
相關PDF資料 |
PDF描述 |
|---|---|
| AT45DB021-JI | 2-Megabit 2.7-volt Only Serial DataFlash |
| AT45DB021-RC | 2-Megabit 2.7-volt Only Serial DataFlash |
| AT45DB021-RI | 2-Megabit 2.7-volt Only Serial DataFlash |
| AT45DB021-TC | 2-Megabit 2.7-volt Only Serial DataFlash |
| AT45DB021-TI | 2-Megabit 2.7-volt Only Serial DataFlash |
相關代理商/技術參數 |
參數描述 |
|---|---|
| AT45DB021-JI | 制造商:ATMEL 制造商全稱:ATMEL Corporation 功能描述:2-Megabit 2.7-volt Only Serial DataFlash |
| AT45DB021-RC | 制造商:ATMEL 制造商全稱:ATMEL Corporation 功能描述:2-Megabit 2.7-volt Only Serial DataFlash |
| AT45DB021-RI | 制造商:ATMEL 制造商全稱:ATMEL Corporation 功能描述:2-Megabit 2.7-volt Only Serial DataFlash |
| AT45DB021-TC | 制造商:ATMEL 制造商全稱:ATMEL Corporation 功能描述:2-Megabit 2.7-volt Only Serial DataFlash |
| AT45DB021-TI | 制造商:ATMEL 制造商全稱:ATMEL Corporation 功能描述:2-Megabit 2.7-volt Only Serial DataFlash |
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