HD6433937 Datasheet, PDF (136/521 Pages) Hitachi Semiconductor – Hardware Manual

Start
Set write/verify mode
V_CC = 6.0 V ± 0.25 V, V_PP = 12.5 V ± 0.3 V
Address = 0
n=0
Yes
No
n < 25
n+1 →n
Write time t_PW = 0.2 ms ± 5%
No Go
Verify
Go
Write time t _OPW = 3n ms
Address + 1 → address
No
Last address?
Yes
Set read mode
V_CC = 5.0 V ± 0.25 V, V_PP = V_CC
Error
No Go
Read all
addresses?
Go
End
Figure 6-4 High-Speed, High-Reliability Programming Flow Chart
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