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參數(shù)資料
| 型號： | PC28F640J3F75A |
| 元件分類： | PROM |
| 英文描述： | 4M X 16 FLASH 2.7V PROM, PBGA64 |
| 封裝： | LEAD FREE, BGA-64 |
| 文件頁數(shù)： | 40/66頁 |
| 文件大小： | 740K |
| 代理商： | PC28F640J3F75A |
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March 2010
Datasheet
208032-02
45
Numonyx Embedded Flash Memory (J3 65 nm) Single Bit per Cell (SBC)
9.8.8
VPEN Protection
When it’s necessary to protect the entire array, global protection can be achieved using
a hardware mechanism using VPP or VPEN. Whenever a valid voltage is present on VPP
or VPEN, blocks within the main flash array can be erased or programmed. By
grounding VPP or VPEN, blocks within the main array cannot be altered – attempts to
Table 31: Word-Wide Protection Register Addressing
Word
Use
A8
A7A6
A5A4
A3A2A1
LOCK
Both
10
00
0
Factory
10
00
01
1
Factory
10
00
10
2
Factory
10
00
11
3
Factory
10
00
01
00
4
User
1
00
10
1
5
User
1
00
11
0
6
User
1
00
11
1
7
User
1
00
01
00
0
Note:
All address lines not specified in the above table must be 0 when accessing the Protection Register (i.e., A[MAX:9] = 0.)
Table 32: Byte-Wide Protection Register Addressing
Byte
Use
A8
A7A6A5A4
A3A2A1
A0
LOCK
Both
1
000
00
LOCK
Both
1
000
01
0
Factory
1
000
10
1
Factory
1
000
11
2
Factory
1
000
001
00
3
Factory
1
000
001
01
4
Factory
1
000
001
10
5
Factory
1
000
001
11
6
Factory
1
000
010
00
7
Factory
1
000
010
01
8
User
1
000
010
10
9
User
1
000
010
11
A
User
1
000
011
00
B
User
1
000
011
01
C
User
1
000
011
10
D
User
1
000
011
11
E
User
1
000
100
00
F
User
1
000
100
01
Note:
All address lines not specified in the above table must be 0 when accessing the Protection Register, i.e., A[MAX:9] = 0.
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相關代理商/技術參數(shù) |
參數(shù)描述 |
|---|---|
| PC28F640J3F75B | 制造商:Micron Technology Inc 功能描述:PARALLEL NOR - Tape and Reel |
| PC28F640J3F75B TR | 制造商:Micron Technology Inc 功能描述:IC FLASH 64MBIT 75NS TBGA |
| PC28F640J3F75D | 制造商:Micron Technology Inc 功能描述:NUMONYX EMBEDDED FLASH MEMORY (J3 65NM) SINGLE BIT PER CELL (SBC) 制造商:Micron Technology Inc 功能描述:NOR Flash Parallel 3V/3.3V 64Mbit 8M/4M x 8bit/16bit 75ns 64-Pin EBGA T/R 制造商:Micron Technology Inc 功能描述:PARALLEL NOR - Tape and Reel 制造商:Micron Technology 功能描述:NOR Flash Parallel 3V/3.3V 64Mbit 8M/4M x 8bit/16bit 75ns 64-Pin EBGA T/R 制造商:Micron Technology 功能描述:NUMONYX EMBEDDED FLASH MEMORY (J3 65NM) SINGLE BIT PER CELL (SBC) |
| PC28F640J3F75E | 制造商:Micron Technology Inc 功能描述:PARALLEL NOR - Trays |
| PC28F640P30B85 | 制造商:Intel 功能描述:MM#873919 64MB FLASH SOLD->NUM |
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