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: 55/65页
文件大小: 1669K
代理商: M29F400FB55M3F2
M29FxxxFT, M29FxxxFB
Block protection
59/65
Table 36.
Programmer Technique Bus Operations, BYTE = VIH or VIL
Operation
E
G
W
Address Inputs
A0-A19
Data Inputs/Outputs
DQ15A–1, DQ14-DQ0
Block Protect
VIL
VID
VIL Pulse
A9 = VID, A12-A19 Block Address
Others = X
X
Chip Unprotect
VID
VIL Pulse
A9 = VID, A12 = VIH, A15 = VIH
Others = X
X
Block Protection
Verify
VIL
VIH
A0 = VIL, A1 = VIH, A6 = VIL,
A9 = VID, A12-A19 Block Address
Others = X
Pass = XX01h
Retry = XX00h
Block Unprotection
Verify
VIL
VIH
A0 = VIL, A1 = VIH, A6 = VIH,
A9 = VID, A12-A19 Block Address
Others = X
Retry = XX01h
Pass = XX00h
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