Rainbow Electronics W27L010 - Manual (Page 11)

Preliminary W27L010
Publication Release Date: February 1999
- 11 - Revision A1
SMART ERASE ALGORITHM
Start
Vcc = 5V
Vpp = 14V
Increment X
X = 0
A9 = 14V; A0 = V
Chip Erase 100 mS Pulse
Address = First Location
IL
Last
Address?
Compare
All Bytes to
FFs (HEX)
Pass
Device
Increment
Address
No
Fail
Fail
Fail
Device
Erase
Verify
X = 20?
No
Yes
Pass
Pass
Yes
Vcc = 3.3V
Vpp = 3.3V
Vcc = 2.7V
Vpp = 2.7V