w39l020 Winbond Electronics Corp America, w39l020 Datasheet - Page 12

• Manufacturer Part Number: w39l020
• Description: 256k U 8 Cmos Flash Memory
• Manufacturer: Winbond Electronics Corp America

Embedded #Data Polling Algorithm
Embedded Toggle Bit Algorithm
Yes
No
Address = Don't Care
Address = VA
(DQ0 - DQ7)
DQ6 = Toggle
Read Byte
DQ7 = Data
(DQ0 - DQ7)
Read Byte
Start
Pass
Start
Pass
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?
?
Yes
No
VA = Byte address for programming
= Any of the page addresses within
= Any of the device addresses being
= Any of the sector addresses within
erase operation
the page being erased during page
erased during chip erase operation
the sector being erased during sector
erase operation
W39L020