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W27E020 Datasheet(PDF) 10 Page - Winbond

Part # W27E020
Description  256K X 8 ELECTRICALLY ERASABLE EPROM
Download  14 Pages
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Manufacturer  WINBOND [Winbond]
Direct Link  http://www.winbond.com
Logo WINBOND - Winbond

W27E020 Datasheet(HTML) 10 Page - Winbond

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Preliminary W27E020
- 10 -
SMART PROGRAMMING ALGORITHM
Start
Address = First Location
Vcc = 5V
Vpp = 12V
X = 0
Increment X
X = 25?
Verify
One Byte
Last
Address?
Vcc = 5V
Vpp = 5V
Compare
All Bytes to
Original Data
Pass
Device
Increment
Address
No
Fail
Yes
Pass
Fail
Fail
Fail
Device
Verify
One Byte
Program One 100 S Pulse
µ
No
Pass
Yes
Pass


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