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参数资料
| 型号： | W19B160BTB7H |
| 厂商： | WINBOND ELECTRONICS CORP |
| 元件分类： | PROM |
| 英文描述： | 1M X 16 FLASH 2.7V PROM, 7 ns, PBGA48 |
| 封装： | 6 X 8 MM, 0.80 MM PITCH, GREEN, TFBGA-48 |
| 文件页数： | 20/47页 |
| 文件大小： | 628K |
| 代理商： | W19B160BTB7H |
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W19B160BT/B DATA SHEET
Publication Release Date Dec,30, 2008
- 27 -
Revision A8
8.11 In-System Sector Protect/Unprotect Algorithms
START
PLSCNT=1
#RESET=V ID
Wait 1 μ s
First Write
Cycle=60h?
Wait 150 μ s
Verity Sector
Protect:Write 40h
to sector address
with A6=0,
A1=1,A0=0
Set up sector
address
Yes
Sector Protect:
Write 60h to sector
address with
A6=0,A1=1,A0=0
Read from
sector address
with A6=0,
A1=1,A0=0
Remove V
from #RESET
ID
Write reset
command
Sector Protect
complete
Protect another
sector?
Data=01h?
Temporary Sector
Unprotect Mode
Increment
PLSCNT
=25?
No
Device failed
Yes
No
Reset
PLSCNT=1
START
PLSCNT=1
#RESET=V ID
Wait 1 μ s
First Write
Cycle=60h?
Yes
All sector
protected?
Yes
Wait 15 mS
Verity Sector
Unprotect: Write 40h
to sector address
with A6=1,
A1=1,A0=0
Sector Unrotect:
Write 60h to sector
address with
A6=1,A1=1,A0=0
Read from
sector address
with A6=1,
A1=1,A0=0
Remove V
from #RESET
ID
Write reset
command
Last sector
verified?
Data=00h?
No
Yes
No
Set up first
sector address
Protect all sectors
The indicated portion
of the sector protect
algorithm must be
performed for all
unprotected sectors
prior to issuing the
first sector
unprotect address
Temporary Sector
Unprotect Mode
No
Increment
PLSCNT
=1000?
Device failed
Yes
Sector Unprotectt
complete
Set up
next sector
address
Yes
Sector Protect
Algorithm
Sector Unprotect
Algorithm
No
Yes
No
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相关代理商/技术参数 |
参数描述 |
|---|---|
| W19B160BTBH7H | 制造商:WINBOND 制造商全称:Winbond 功能描述:16Mbit, 2.7~3.6 volt CMOS flash memory |
| W19B160BTBM7H | 制造商:WINBOND 制造商全称:Winbond 功能描述:16Mbit, 2.7~3.6 volt CMOS flash memory |
| W19B160BTT7H | 制造商:WINBOND 制造商全称:Winbond 功能描述:2.7~3.6-volt write (program and erase) operations, Fast write operation |
| W19B160TB7H7H | 制造商:WINBOND 制造商全称:Winbond 功能描述:16Mbit, 2.7~3.6 volt CMOS flash memory |
| W19B160TB7M7H | 制造商:WINBOND 制造商全称:Winbond 功能描述:16Mbit, 2.7~3.6 volt CMOS flash memory |
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