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參數(shù)資料
| 型號(hào)： | S29WS128J0PBAW002 |
| 廠商： | SPANSION LLC |
| 元件分類： | PROM |
| 英文描述： | 8M X 16 FLASH 1.8V PROM, 55 ns, PBGA84 |
| 封裝： | 8 X 11.60 MM, FBGA-84 |
| 文件頁(yè)數(shù)： | 19/97頁(yè) |
| 文件大小： | 2421K |
| 代理商： | S29WS128J0PBAW002 |
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26
S29WS128J/064J
S29WS-J_00_A6 May 11, 2006
Dat a
S h ee t
Figure 2. PPB Program/Erase Algorithm
Dynamic Protection Bits
Dynamic Protection Bits are volatile and unique for each sector and can be individually modified.
DYBs only control the protection scheme for unprotected sectors that have their PPBs cleared
(erased to “1”). By issuing the DYB Set or Clear command sequences, the DYBs are set (pro-
grammed to “0”) or cleared (erased to “1”), thus placing each sector in the protected or
unprotected state respectively. This feature allows software to easily protect sectors against in-
advertent changes yet does not prevent the easy removal of protection when changes are
needed.
Read Byte Twice
Addr = SA0
Enter PPB
Command Set.
Addr = BA
Program PPB Bit.
Addr = SA
DQ5 = 1?
Yes
No
Yes
DQ6 =
Toggle?
DQ6 =
Toggle?
Read Byte.
Addr = SA
PASS
FAIL
Issue Reset
Command
Exit PPB
Command Set
DQ0 =
'1' (Erase)
'0' (Pgm.)?
Read Byte Twice
Addr = SA0
No
Wait 500 s
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| 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 |
| S29WS128J0PBAW10 | 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 |
| S29WS128J0PBAW11 | 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 |
| S29WS128J0PBFI10 | 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 |
| S29WS128J0PBFI11 | 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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