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參數資料
| 型號： | W39V040FBQ |
| 廠商： | WINBOND ELECTRONICS CORP |
| 元件分類： | PROM |
| 英文描述： | 512K X 8 CMOS FLASH MEMORY WITH FWH INTERFACE |
| 中文描述： | 512K X 8 FLASH 3.3V PROM, 11 ns, PDSO32 |
| 封裝： | 8 X 14 MM, STSOP-32 |
| 文件頁數： | 28/36頁 |
| 文件大小： | 518K |
| 代理商： | W39V040FBQ |
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W39V040FA
- 28 -
Timing Waveforms for FWH Interface Mode, continued
Boot Block Lockout Enable Timing Diagram
CLK
#RESET
FWH4
FWH[3:0]
1st Start
Load Address "5555" in 7 Clocks
1 Clock
2 Clocks
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
IDSEL
0000b
M Size
XXXXb
XXXXb
XXXXb
Start next
1 Clock
2 Clocks
TAR
1111b
Tri-State
1 Clock
1 Clock
0000b
1110b
CLK
#RESET
2nd Start
Load Address "2AAA" in 7 Clocks
1 Clocks
2 Clocks
X010b
1010b
1010b
1010b
Load Data "55"
in 2 Clocks
0101b
0101b
Write the 2nd command to the device in FWH mode.
Address
Sync
TAR
Data
1111b
Tri-State
0000b
IDSEL
0000b
M Size
XXXXb
XXXXb
XXXXb
Start next
command
1 Clock
2 Clocks
TAR
1111b
Tri-State
1 Clock
1 Clock
0000b
1110b
FWH4
FWH[3:0]
CLK
#RESET
3rd Start
Load Address "5555" in 7 Clocks
1 Clock
2 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
IDSEL
0000b
M Size
XXXXb
XXXXb
XXXXb
Start next
command
1 Clock
2 Clocks
TAR
1111b
Tri-State
1 Clock
1 Clock
0000b
1110b
FWH4
FWH[3:0]
CLK
#RESET
4th Start
Load Address "5555" in 7 Clocks
1 Clock
2 Clocks
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
IDSEL
0000b
M Size
XXXXb
XXXXb
XXXXb
Start next
1 Clock
2 Clocks
TAR
1111b
Tri-State
1 Clock
1 Clock
0000b
1110b
FWH4
FWH[3:0]
CLK
#RESET
5th Start
Load Address "2AAA" in 7 Clocks
1 Clock
2 Clocks
X010b
1010b
1010b
1010b
Load Data "55"
0101b
0101b
Write the 5th command to the device in FWH mode.
Address
Sync
TAR
Data
1111b
Tri-State
0000b
IDSEL
0000b
M Size
XXXXb
XXXXb
XXXXb
Start next
1 Clock
2 Clocks
TAR
1111b
Tri-State
1 Clock
1 Clock
0000b
1110b
FWH4
FWH[3:0]
CLK
#RESET
6th Start
Load Address "5555" 7 Clocks
Sync
TAR
1 Clock
2 Clocks
X101b
Load Data "40" or
0100b/
Write the 6th command to the device in FWH mode.
0101b
0101b
0101b
0000b
1111b
Tri-State
0000b
Data
Address
IDSEL
0000b
M Size
XXXXb
XXXXb
XXXXb
1 Clock
1 Clock
0000b
1110b
FWH4
FWH[3:0]
Start next
command
1 Clock
2 Clocks
TAR
1111b
Tri-State
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相關代理商/技術參數 |
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| W39V040FBQZ | 制造商:WINBOND 制造商全稱:Winbond 功能描述:512K X 8 CMOS FLASH MEMORY WITH FWH INTERFACE |
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