W27E040-90 WINBOND [Winbond], W27E040-90 Datasheet - Page 10
![no-image](/images/no-image-200.jpg)
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: 10 of 15
- Download datasheet (176Kb)
SMART PROGRAMMING ALGORITHM
*: Program the whole chip again without data verification and read.
Increment
Address
*Program whole chip
without data verification and read
Fail
No
Program One 100 S Pulse
Address = First Location
Compare All Bytes
to Original Data
Verify One Byte
Increment X
Vcc = 5V
Vpp = 12V
Vcc = 5V
Last
Address?
Vpp = 5V
Pass
Device
X = 25?
X = 0
Start
Pass
No
Pass
Yes
- 10 -
Yes
Fail
Verify One Byte
Pass
Fail
Fail
Device
W27E040
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