w27c520 Winbond Electronics Corp America, w27c520 Datasheet - Page 13
w27c520
Manufacturer Part Number
w27c520
Description
64k X 8 Electrically Erasable Eprom
Manufacturer
Winbond Electronics Corp America
Datasheet
1.W27C520.pdf
(16 pages)
- Current page: 13 of 16
- Download datasheet (114Kb)
SMART ERASE ALGORITHM 2
Increment
Address
with Address = 2AAA(Hex) Data = 10(Hex)
with Address = 5555(Hex) Data = AA(Hex)
No
Program One 100 mS Pulse
Program One 50 S Pulse
V
OE/Vpp = V
DD
OE/Vpp = 13V
OE/Vpp = V
Increment X
All Bytes to
FFs (HEX)
V
V
Address?
Compare
= 3.3 or 5.0V
DD
DD
Device
Verify
Erase
Power
Pass
X = 0
Start
Down
Last
= 6.5V
= 6.5V
Yes
Pass
Pass
IL
IL
- 13 -
Fail
Fail
Preliminary W27C520
Publication Release Date: October 2000
Yes
No
X = 20?
Device
Fail
Revision A1
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