w27e257p-15 Winbond Electronics Corp America, w27e257p-15 Datasheet - Page 11
w27e257p-15
Manufacturer Part Number
w27e257p-15
Description
32k X 8 Electrically Erasable Eprom
Manufacturer
Winbond Electronics Corp America
Datasheet
1.W27E257P-15.pdf
(14 pages)
- Current page: 11 of 14
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SMART ERASE ALGORITHM
Increment
Address
No
Chip Erase 100 mS Pulse
Address = First Location
A9 = 14V; A0 = V
FFs (HEX)
Increment X
Compare
All Bytes to
Vpp = 14V
Vcc = 5V
Last
Address?
Vcc = 5V
Vpp = 5V
Pass
Device
Start
X = 0
Erase
Verify
Yes
Pass
Pass
IL
- 11 -
Fail
Fail
Publication Release Date: January 1997
Yes
No
Fail
Device
X = 20?
W27E257
Revision A3
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