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JS28F640P30T85 データシート(PDF) 61 Page - Numonyx B.V

部品番号 JS28F640P30T85
部品情報  Numonyx StrataFlash Embedded Memory
PDF  99 Pages
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メーカー  NUMONYX [Numonyx B.V]
ホームページ  http://www.numonyx.com
Logo NUMONYX - Numonyx B.V

JS28F640P30T85 データシート(HTML) 61 Page - Numonyx B.V

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November 2007
Datasheet
Order Number: 306666-11
61
P30
11.6
Program Protection
When VPP = VIL, absolute hardware write protection is provided for all device blocks. If
VPP is at or below VPPLK, programming operations halt and SR[3] is set indicating a VPP-
level error. Block lock registers are not affected by the voltage level on VPP; they may
still be programmed and read, even if VPP is less than VPPLK.
Figure 29: Example VPP Supply Connections
• Factory Programming with V
PP = VPPH
• Complete write/Erase Protection when V
PP ≤ VPPLK
VCC
VPP
VCC
VPP
• Low Voltage and Factory Programming
• Low-voltage Programming only
• Logic Control of Device Protection
VCC
VPP
• Low Voltage Programming Only
• Full Device Protection Unavailable
VCC
VPP
≤ 10K Ω
V
PP
V
CC
V
CC
PROT #
V
CC
V
PP=VPPH
V
CC



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