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參數(shù)資料
| 型號： | S29WS128J |
| 廠商： | Spansion Inc. |
| 英文描述： | 128/64 Megabit (8/4 M x 16-Bit) CMOS 1.8 Volt-only Simultaneous Read/Write, Burst Mode Flash Memory |
| 中文描述： | 128/64兆位（8 / 4米× 16位）的CMOS 1.8伏，只有同時讀/寫，突發(fā)模式閃存 |
| 文件頁數(shù)： | 24/98頁 |
| 文件大?。?/td> | 1986K |
| 代理商： | S29WS128J |
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24
S29WS128J/064J
S29WS-J_00_A4 June 24, 2005
D a t a S h e e t
Advanced Sector Protection/Unprotection
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Figure 1. Advanced Sector Protection/Unprotection
Hardware Methods
Software Methods
ACC = V
IL
(
All sectors locked)
WP# = V
IL
(All boot
sectors locked)
Password Method
(DQ2)
Persistent Method
(DQ1)
Lock Register
(One Time Programmable)
PPB Lock Bit
1,2,3
64-bit Password
(One Time Protect)
1 = PPBs Unlocked
0 = PPBs Locked
Memory Array
Sector 0
Sector 1
Sector 2
Sector N-2
Sector N-1
Sector N
3
PPB 0
PPB 1
PPB 2
PPB N-2
PPB N-1
PPB N
Persistent
Protection Bit
(PPB)
4,5
DYB 0
DYB 1
DYB 2
DYB N-2
DYB N-1
DYB N
Dynamic
Protection Bit
(PPB)
6,7,8
6. 0 = Sector Protected,
1 = Sector Unprotected.
7. Protect effective only if PPB Lock Bit
is unlocked and corresponding PPB
is “1” (unprotected).
8. Volatile Bits: defaults to user choice
upon power-up (see ordering
options).
4. 0 = Sector Protected,
1 = Sector Unprotected.
5. PPBs programmed individually,
but cleared collectively
1. Bit is volatile, and defaults to “1” on
reset.
2. Programming to “0” locks all PPBs to
their current state.
3. Once programmed to “0”, requires
hardware reset to unlock.
3. N = Highest Address Sector.
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| S29WS128J0PBAI10 | 制造商:SPANSION 制造商全稱:SPANSION 功能描述:128/64 Megabit (8/4 M x 16-Bit) CMOS 1.8 Volt-only Simultaneous Read/Write, Burst Mode Flash Memory |
| S29WS128J0PBAI11 | 制造商:SPANSION 制造商全稱:SPANSION 功能描述:128/64 Megabit (8/4 M x 16-Bit) CMOS 1.8 Volt-only Simultaneous Read/Write, Burst Mode Flash Memory |
| S29WS128J0PBAW00 | 制造商:SPANSION 制造商全稱:SPANSION 功能描述:128/64 Megabit (8/4 M x 16-Bit) CMOS 1.8 Volt-only Simultaneous Read/Write, Burst Mode Flash Memory |
| S29WS128J0PBAW01 | 制造商:SPANSION 制造商全稱:SPANSION 功能描述:128/64 Megabit (8/4 M x 16-Bit) CMOS 1.8 Volt-only Simultaneous Read/Write, Burst Mode Flash Memory |
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