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參數(shù)資料
| 型號(hào)： | W49F002UT90 |
| 廠商： | WINBOND ELECTRONICS CORP |
| 元件分類： | PROM |
| 英文描述： | 256K X 8 FLASH 5V PROM, 90 ns, PDSO32 |
| 封裝： | 8 X 20 MM, TSOP-32 |
| 文件頁數(shù)： | 20/23頁 |
| 文件大?。?/td> | 303K |
| 代理商： | W49F002UT90 |
W49F002U
- 6 -
TABLE OF COMMAND DEFINITION
(1)
COMMAND
NO.
OF
1ST
CYCLE
2ND
CYCLE
3RD
CYCLE
4TH
CYCLE
5TH
CYCLE
6TH
CYCLE
DESCRIPTION
Cycles Addr. Data Addr. Data Addr. Data Addr. Data Addr. Data Addr. Data
Read
1
AIN DOUT
Chip Erase
6
5555 AA 2AAA 55 5555 80 5555 AA
2AAA 55
5555 10
Sector Erase
6
5555 AA 2AAA 55 5555 80 5555 AA
2AAA 55
SA
(3)
30
Byte Program
4
5555 AA 2AAA 55 5555 A0 AIN
DIN
Boot Block Lockout
6
5555 AA 2AAA 55 5555 80 5555 AA
2AAA 55
5555 40
Product ID Entry
3
5555 AA 2AAA 55 5555 90
Product ID Exit
(2)
3
5555 AA 2AAA 55 5555 F0
Product ID Exit
(2)
1
XXXX F0
Notes:
1. Address Format: A14
A0 (Hex); Data Format: DQ7-DQ0 (Hex)
2. Either one of the two Product ID Exit commands can be used.
3. SA means: Sector Address
If SA is within 3C000 to 3FFFF (Boot Block address range), and the Boot Block programming lockout feature is activated,
nothing will happen and the device will go back to read mode after 100nS.
If the Boot Block programming lockout feature is not activated, this command will erase Boot Block.
If SA is within 3A000 to 3BFFF (Parameter Block1 address range), this command will erase PB1.
If SA is within 38000 to 39FFF (Parameter Block2 address range), this command will erase PB2.
If SA is within 20000 to 37FFF (Main Memory Block1 address range), this command will erase MMB1.
If SA is within 00000 to 1FFFF (Main Memory Block2 address range), this command will erase MMB2.
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| W49F002UT90B | 制造商:WINBOND 制造商全稱:Winbond 功能描述:256K X 8 CMOS FLASH MEMORY |
| W49F020 | 制造商:WINBOND 制造商全稱:Winbond 功能描述:256K X 8 CMOS FLASH MEMORY |
| W49F020-70 | 制造商:WINBOND 制造商全稱:Winbond 功能描述:256K X 8 CMOS FLASH MEMORY |
| W49F020-70B | 制造商:WINBOND 制造商全稱:Winbond 功能描述:256K X 8 CMOS FLASH MEMORY |
| W49F020-90 | 制造商:WINBOND 制造商全稱:Winbond 功能描述:256K X 8 CMOS FLASH MEMORY |
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