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部品番号
コンポーネント説明
W27E520 データシートの表示(PDF) - Winbond
部品番号
コンポーネント説明
メーカー
W27E520
64K x 8 ELECTRICALLY ERASABLE EPROM
Winbond
W27E520 Datasheet PDF : 16 Pages
First
Prev
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SMART ERASE ALGORITHM 1
Start
X=0
V
DD
= 6.5V
OE/Vpp = 13V
A9 = 13V; A8&A11 = V
IL
A10 = V
IH
Chip Erase 100 mS Pulse
Address = First Location
Increment X
V
DD
= 6.5V
OE/Vpp = V
IL
Increment No
Address
Erase
Fail
Verify
Pass
Last
Address?
Yes
Power
Down
V
DD
= 5.0V
OE/Vpp = V
IL
Compare
All Bytes to
Fail
FFs (HEX)
Pass
Pass
Device
- 12 -
W27E520
No
X = 20?
Yes
Fail
Device
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