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參數資料
| 型號： | W39V040FAT |
| 廠商： | WINBOND ELECTRONICS CORP |
| 元件分類： | PROM |
| 英文描述： | 512K X 8 CMOS FLASH MEMORY WITH FWH INERFACE |
| 中文描述： | 512K X 8 FLASH 3.3V PROM, 11 ns, PDSO40 |
| 封裝： | 10 X 20 MM, TSOP-40 |
| 文件頁數： | 31/36頁 |
| 文件大小： | 518K |
| 代理商： | W39V040FAT |
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W39V040FA
Publication Release Date: December 19, 2002
- 31 -
Revision A2
Timing Waveforms for FWH Interface Mode, continued
Page Erase Timing Diagram
CLK
#RESET
FWH4
1st Start
Load Address "5555" in 7 Clocks
1 Clock
1 Clock
Start next
1 Clock
2 Clocks
1 Clock
X101b
0101b
0101b
0101b
Load Data "AA"
1010b
1010b
Write the 1st command to the device in FWH mode.
Address
Sync
TAR
Data
1111b
Tri-State
0000b
0000b
1110b
IDSEL
0000b
M Size
XXXXb
XXXXb
XXXXb
2 Clocks
TAR
1111b
Tri-State
#RESET
CLK
FWH4
FWH[3:0]
#RESET
CLK
2nd Start
Load Address "2AAA" in 7 Clocks
1 Clock
1 Clock
Start next
1 Clock
2 Clocks
1 Clock
X010b
1010b
1010b
1010b
Load Data "55"
0101b
0101b
Write the 2nd command to the device in FWH mode.
Address
Sync
TAR
Data
1111b
Tri-State
0000b
0000b
1110b
IDSEL
0000b
M
Size
XXXXb
XXXXb
XXXXb
2 Clocks
TAR
1111b
Tri-State
FWH4
FWH[3:0]
#RESET
CLK
3rd Start
Load Address "5555" in 7 Clocks
1 Clocks
1 Clocks
Start next
1 Clocks
2 Clocks
1 Clocks
X101b
0101b
0101b
0101b
Load Data "80"
1000b
0000b
Write the 3rd command to the device in FWH mode.
Address
Sync
TAR
Data
1111b
Tri-State
0000b
0000b
1110b
IDSEL
0000b
M Size
XXXXb
XXXXb
XXXXb
2 Clocks
TAR
1111b
Tri-State
FWH4
4th Start
Load Address "5555" in 7 Clocks
1 Clock
1 Clock
Start next
1 Clock
2 Clocks
1 Clock
X101b
0101b
0101b
0101b
Load Data "AA"
1010b
1010b
Write the 4th command to the device in FWH mode.
Address
Sync
TAR
Data
1111b
Tri-State
0000b
#RESET
CLK
0000b
1110b
IDSEL
0000b
M Size
XXXXb
XXXXb
XXXXb
2 Clocks
TAR
1111b
Tri-State
5th Start
Load Address "2AAA" in 7 Clocks
1 Clock
1 Clock
Start next
1 Clock
1 Clock
X010b
1010b
1010b
1010b
Load Data "55"
in 2 Clocks
0101b
0101b
Write the 5th command to the device in FWH mode.
Address
Sync
2 Clocks
TAR
Data
1111b
Tri-State
0000b
FWH4
FWH[3:0]
0000b
1110b
IDSEL
0000b
M Size
XXXXb
XXXXb
XXXXb
2 Clocks
TAR
1111b
Tri-State
#RESET
CLK
6th Start
Load Page Address in 7 Clocks
Sync
Internal
erase start
1 Clock
A[15:12]
Load Din
0101b
Write the 6th command(target page to be erased) to the device in FWH mode.
0000b
TAR
2 Clocks
1111b
Tri-State
0000b
Data
Address
FWH4
FWH[3:0]
XXXXb
XXXXb
XXXXb
IDSEL
Internal
0000b
M Size
XXXXb
XA[18:16]b
XXXXb
TAR
2 Clocks
1111b
Tri-State
1 Clock
1 Clock
0000b
1110b
FWH[3:0]
FWH[3:0]
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相關代理商/技術參數 |
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