VIH
RESET#
SA, A6,
A1, A0
Valid*
Valid*
Valid*
Status
Sector Protect/Unprotect
Verify
Data
60h
60h/68h**
40h/48h***
Sector Protect: 150 μs
Sector Unprotect: 15 ms
1 μs
CE#
WE#
OE#
* Valid address for sector protect: A6 = 0, A1 = 1, A0 = 0. Valid address for sector unprotect:A6 = 1, A1 = 1, A0 = 0.
** Command for sector protect is 68h. Command for sector unprotect is 60h.
*** Command for sector protect verify is 48h. Command for sector unprotect verify is 40h.
Figure 28. Sector Protect/Unprotect Timing Diagram
June 7, 2006
Am29BDD160G
69