mx26l6420 Macronix International Co., mx26l6420 Datasheet - Page 31

• Manufacturer Part Number: mx26l6420
• Description: 64m-bit [4m X 16] Cmos Multiple-time-programmable Eprom
• Manufacturer: Macronix International Co.

Fig 15. Toggle Bit Algorithm
P/N:PM0823
Note:
1.Read toggle bit twice to determine whether or not it is toggling.
2.Recheck toggle bit because it may stop toggling as Q5 changes to "1".
NO
Complete, Write Reset Command
Program/Erase Operation Not
Read Q7~Q0 Twice
Read Q7~Q0
Read Q7~Q0
Toggle Bit Q6=
Toggle Bit Q6
=Toggle?
Toggle?
START
Q5=1?
YES
YES
YES
31
NO
(Note 1)
(Note 1,2)
Program/Erase Operation Complete
MX26L6420
REV. 0.5, JAN. 29, 2002