EFST
preliminary
F49L004UA / F49L004BA
10.4 TEMPORARY SECTOR UNPROTECT Operation
Table 14. Temporary Sector Unprotect
Symbol
Description
VID Rise and Fall Time (See Note)
All Speed Options
Unit
Min
Min
500
ns
TVIDR
Setup Time for Temporary Sector
RESET
4
us
TRSP
Unprotect
Notes:
Not 100% tested
Figure 24. Temporary Sector Unprotect Timing Diagram
0 or VC C
t V I D R
0 or VC C
RE S E T
C E
t V I D R
P r o g r a m o r E r a s e C o m m a n d S e q u e n c e
W E
tR S P
RY/B Y
Figure 25. Q6 vs Q2 for Erase and Erase Suspend Operations
Ente r E r as e
Suspend Pro gra m
En ter E m bedde d
Er as in g
Er as e
Suspen d
Er as e
Resu m e
W E
DQ6
DQ 2
Er as e
Co m pl e t e
Er as e
Su spend
Read
Er as e
Su spend
Pr o gr a m
Er as e
Notes :
The system can use OE or CE to toggle DQ2 / DQ6, DQ2 toggles only when read at an address within an
erase-suspended.
Elite Flash Storage Technology Inc.
Publication Date : Aug. 2003
Revision: 0.2 41/46
ESMT [ ELITE SEMICONDUCTOR MEMORY TECHNOLOGY INC. ]
