W27C020-12 Winbond, W27C020-12 Datasheet - Page 11
W27C020-12
Manufacturer Part Number
W27C020-12
Description
256K X 8 ELECTRICALLY ERASABLE EPROM
Manufacturer
Winbond
Datasheet
1.W27C020-12.pdf
(14 pages)
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SMART ERASE ALGORITHM
Increment
Address
No
Chip Erase 100 mS Pulse
Address = First Location
A9 = 14V; A0 = V
Increment X
FFs (HEX)
All Bytes to
Compare
Vpp = 14V
Vcc = 5V
Last
Address?
Vcc = 5V
Vpp = 5V
Pass
Device
Start
X = 0
Erase
Verify
Yes
Pass
Pass
- 11 -
IL
Fail
Fail
Publication Release Date: September 1998
Preliminary W27C020
Yes
No
Fail
Device
X = 20?
Revision A1
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