參數(shù)資料
型號(hào): GE28F008B3BA70
廠商: INTEL CORP
元件分類: PROM
英文描述: 1M X 8 FLASH 2.7V PROM, 70 ns, PBGA46
封裝: VFBGA-46
文件頁(yè)數(shù): 58/70頁(yè)
文件大?。?/td> 1215K
代理商: GE28F008B3BA70
28F008/800B3, 28F016/160B3, 28F320B3, 28F640B3
Datasheet
61
For the bottom configuration, the bottom two parameter blocks (blocks #0 and #1 for 4 /8 /16 /
32/64 Mbit) are lockable. Unlocked blocks can be programmed or erased normally (unless
VPP is below VPPLK).
12.2
WP# = VIH for Block Unlocking
WP# = VIH unlocks all lockable blocks. These blocks can now be programmed or erased.
Note that RP# does not override WP# locking as in previous Boot Block devices. WP# controls all
block locking and VPP provides protection against spurious writes. Table 30 defines the write-
protection methods.
Table 30. Write-Protection Truth Table for the B3 Device Family
VPP
WP#
RP#
Write Protection Provided
XX
VIL
All Blocks Locked
VIL
XVIH
All Blocks Locked
V
PPLK
VIL
VIH
Lockable Blocks Locked
V
PPLK
VIH
All Blocks Unlocked
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