W27E520 データシートの表示（PDF） - Winbond
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W27E520 Datasheet PDF : 16 Pages
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W27E520
SMART PROGRAMMING ALGORITHM 1
Start
Address = First Location
VDD = 6.5V
OE/Vpp = 13V
Program One 50 µS Pulse
Increment
Address
Increment
Address
No
Last
Address ?
Yes
Power
Down
No
Last
Address ?
Yes
Address = First Location
X=0
Pass
Verify
Fail
Byte
Program One 50 µS Pulse
VDD= 5.0V
OE/Vpp = VIL
Increment X
No
X = 25 ?
Yes
Compare
All Bytes to
Fail
Original
Data
Pass
Device
Passed
Device
Failed
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