参数资料
型号: M29F400FB55M3F2
元件分类: PROM
英文描述: 256K X 16 FLASH 5V PROM, 55 ns, PDSO44
封装: 0.500 INCH, ROHS COMPLIANT, PLASTIC, SOP-44
文件页数: 58/65页
文件大小: 1669K
代理商: M29F400FB55M3F2
M29FxxxFT, M29FxxxFB
Block protection
61/65
Figure 26.
Programmer Equipment Chip Unprotect Flowchart
PROTECT ALL BLOCKS
AI03470
A6, A12, A15 = VIH(1)
E, G, A9 = VID
DATA
W = VIH
E, G = VIH
ADDRESS = CURRENT BLOCK ADDRESS
A0 = VIL, A1, A6 = VIH
Wait 10ms
=
00h
INCREMENT
CURRENT BLOCK
n = 0
CURRENT BLOCK = 0
Wait 4s
W = VIL
++n
= 1000
START
YES
NO
LAST
BLOCK
YES
NO
E = VIL
Wait 4s
G = VIL
Wait 60ns
Read DATA
FAIL
PASS
Verify
Unprotect
Set-up
End
A9 = VIH
E, G = VIH
A9 = VIH
E, G = VIH
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相关代理商/技术参数
参数描述
M29F400FB55M3F2 TR 制造商:Micron Technology Inc 功能描述:IC FLASH 4MBIT 55NS 44SO
M29F400FB55M3T2 制造商:Micron Technology Inc 功能描述:AUTOMOTIVE 5V - Trays
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M29F400FB55N3F2 TR 制造商:Micron Technology Inc 功能描述:IC FLASH 4MBIT 55NS 48TSOP