W39V040FBP WINBOND [Winbond], W39V040FBP Datasheet - Page 15

• Manufacturer Part Number: W39V040FBP
• Description: 512K X 8 CMOS FLASH MEMORY WITH FWH INTERFACE
• Manufacturer: WINBOND [Winbond]

9.4 Embedded Toggle Bit Algorithm
Note: Recheck toggle bit because it may stop toggling as DQ5 changes to “1”.
No
(DQ0-DQ7)
Toggle Bit
=Toggle ?
Toggle Bit
=Toggle ?
Read Byte
(DQ0-DQ7) Twin
Program/Erase
Operation Not
Complete, Write
Reset Command
(DQ0-DQ7)
Read Byte
Read Byte
DQ5 = 1 ?
Start
Yes
Yes
- 15 -
No
Publication Release Date: April 14, 2005
No
Operation complete
Program/Erase
W39V040FB
Revision A3