EFST
F49L004UA / F49L004BA
Figure 15. In-System Sector Protect/Unprotect Timing Waveform (
Control)
RESET
RE S E T
SA,A6
A1,A0
Val i d*
Val i d*
Val i d*
Status
Sec tor P rotec t Sec tor U npr ot ec t
Ver i f y
40h
60h
60h
Dat a
S e c t o r P r o t e c t
=
1 5 0 u s
1 5 m s
S e c t o r U n p r o t e c t
=
t W P
C E
W E
OE
Notes :
When sector protect, A6=0, A1=1.
When sector unprotect, A6=1, A1=1, A0=0.
Elite Flash Storage Technology Inc.
Publication Date : Sep. 2003
Revision: 1.0 32/46