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參數(shù)資料
| 型號： | AT45D161 |
| 廠商： | Atmel Corp. |
| 英文描述： | 16-megabit 5-volt Only Serial DataFlash(16M位 5V串行數(shù)據(jù)閃速存儲器) |
| 中文描述： | 16兆位5伏，只有序列上DataFlash（1,600位5V的串行數(shù)據(jù)閃速存儲器） |
| 文件頁數(shù)： | 18/21頁 |
| 文件大?。?/td> | 330K |
| 代理商： | AT45D161 |
AT45D161
18
Figure 2.
Algorithm for Randomly Modifying Data
Note:
1. To preserve data integrity, each page of a DataFlash sector (256 pages per sector) must be updated/rewritten at least once
within every 10,000 cumulative page erase/program operations within that sector.
2. A Page Address Pointer must be maintained to indicate which page is to be rewritten. The Auto Page Rewrite command
must use the address specified by the Page Address Pointer.
3. Other algorithms can be used to rewrite portions of the Flash array. Low power applications may choose to wait until 10,000
cumulative page erase/program operations have accumulated before rewriting all 256 pages of the sector. See application
note AN-4 (
“
Using Atmel
’
s Serial DataFlash
”
) for more details.
Sector Addressing
PA11
PA10
PA9
PA8
Sector
0
0
0
0
0
0
0
0
1
1
0
0
1
0
2
1
1
0
1
13
1
1
1
0
14
1
1
1
1
15
START
MAIN MEMORY PAGE
to BUFFER TRANSFER
(53H, 55H)
INCREMENT PAGE
ADDRESS POINTER
(2)
Auto Page Rewrite
(2)
(58H, 59H)
END
provide address of
page to modify
If planning to modify multiple
bytes currently stored within
a page of the Flash array
MAIN MEMORY PAGE PROGRAM
(82H, 85H)
BUFFER WRITE
(84H, 87H)
BUFFER to MAIN
MEMORY PAGE PROGRAM
(83H, 86H)
相關PDF資料 |
PDF描述 |
|---|---|
| AT45DB161 | 16-megabit 2.7-volt Only Serial DataFlash(16M位 2.7V串行數(shù)據(jù)閃速存儲器) |
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| AT49BP1604 | 16-megabit Burst Mode 3-volt Only Flash Memory(16M位脈沖串模式3V閃速存儲器) |
| AT49F1604 | 16-megabit 5-volt Only Flash Memory(16M位 5V閃速存儲器) |
| AT78C1505 | DVD/CD Read Preamplifier(DVD/CD可讀前置放大器) |
相關代理商/技術參數(shù) |
參數(shù)描述 |
|---|---|
| AT45D161_01 | 制造商:ATMEL 制造商全稱:ATMEL Corporation 功能描述:16-megabit 5-volt Only Serial DataFlasH |
| AT45D161-JC | 功能描述:閃存 16M bit RoHS:否 制造商:ON Semiconductor 數(shù)據(jù)總線寬度:1 bit 存儲類型:Flash 存儲容量:2 MB 結構:256 K x 8 定時類型: 接口類型:SPI 訪問時間: 電源電壓-最大:3.6 V 電源電壓-最小:2.3 V 最大工作電流:15 mA 工作溫度:- 40 C to + 85 C 安裝風格:SMD/SMT 封裝 / 箱體: 封裝:Reel |
| AT45D161-JI | 制造商:ATMEL 制造商全稱:ATMEL Corporation 功能描述:16-Megabit 5-volt Only Serial DataFlash |
| AT45D161-RC | 功能描述:閃存 16M bit RoHS:否 制造商:ON Semiconductor 數(shù)據(jù)總線寬度:1 bit 存儲類型:Flash 存儲容量:2 MB 結構:256 K x 8 定時類型: 接口類型:SPI 訪問時間: 電源電壓-最大:3.6 V 電源電壓-最小:2.3 V 最大工作電流:15 mA 工作溫度:- 40 C to + 85 C 安裝風格:SMD/SMT 封裝 / 箱體: 封裝:Reel |
| AT45D161-RI | 制造商:ATMEL 制造商全稱:ATMEL Corporation 功能描述:16-megabit 5-volt Only Serial DataFlasH |
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