W27E040-90 WINBOND [Winbond], W27E040-90 Datasheet - Page 11
W27E040-90
Manufacturer Part Number
W27E040-90
Description
512K X 8 ELECTRICALLY ERASABLE EPROM
Manufacturer
WINBOND [Winbond]
Datasheet
1.W27E040-90.pdf
(15 pages)
- Current page: 11 of 15
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SMART ERASE ALGORITHM
Increment
Address
No
Chip Erase 100 mS Pulse
Address = First Location
A9 = 14V; A0 = V
All Bytes to
Increment X
FFs (HEX)
Vpp = 14V
Compare
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: May 1997
Yes
No
Fail
Device
X = 20?
W27E040
Revision A1
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