PRELIMINARY
AC CHARACTERISTICS
Temporary Sector Unprotect
Parameter
JEDEC Std. Description
tVIDR VID Rise and Fall Time (See Note)
Min
tRSP
RESET# Setup Time for Temporary Sector
Unprotect
Min
Note: Not 100% tested.
All Speed Options
500
4
Unit
ns
µs
12 V
RESET#
0 or 3 V
tVIDR
CE#
tVIDR
Program or Erase Command Sequence
WE#
RY/BY#
VID
VIH
RESET#
tRSP
Figure 20. Temporary Sector Unprotect Timing Diagram
21415C-23
SA, A6,
A1, A0
Data
CE#
WE#
Valid*
Sector Protect/Unprotect
60h
60h
1 µs
Sector Protect: 100 µs
Sector Unprotect: 10 ms
Valid*
Verify
40h
OE#
Note: For sector protect, A6 = 0, A1 = 1, A0 = 0. For sector unprotect, A6 = 1, A1 = 1, A0 = 0.
Figure 21. Sector Protect/Unprotect Timing Diagram
33
Am29LV017B
Valid*
Status
21415C-24