W39V040FC Datasheet, PDF (17/36 Pages) Winbond – 512K × 8 CMOS FLASH MEMORY WITH FWH INTERFACE

11. EMBEDDED #DATA POLLING ALGORITHM
W39V040FC
Start
Read Byte
(DQ0 - DQ7)
Address = SA or PA
Yes
DQ7 = Data
?
No
No
DQ5 = 1
Yes
Read Byte
(DQ0 - DQ7)
Address = SA or PA
Yes
DQ7 = Data
No
Fail
Pass
Note: SA/PA = Valid address for programming. During a
sector/page erase operation, a valid address is an address within
any sector/page selected for erasure.
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Publication Release Date: Apr. 11, 2006
Revision A1