EFST
F49L400UA/F49L400BA
10.4 TEMPORARY SECTOR UNPROTECT Operation
Table 14. Temporary Sector Unprotect
Symbol
Description
Rise and Fall Time (See Note)
All Speed Options
Unit
Min
Min
500
ns
T
V
ID
VIDR
Setup Time for Temporary Sector
RESET
4
us
T
RSP
Unprotect
Notes:
Not 100% tested
Figure 24. Temporary Sector Unprotect Timing Diagram
12V
0 or VC C
0 or VC C
t V I D R
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 Progra 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
DQ2
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 : Sep. 2006
Revision: 1.1 42/47
ESMT [ ELITE SEMICONDUCTOR MEMORY TECHNOLOGY INC. ]
