ESMT
F49L800UA/F49L800BA
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
1 0 V
0 o r VC C
0 or VCC
RE SE T
CE
t V I D R
t V I DR
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
t RS P
R Y/ BY
Figure 25. DQ6 vs DQ2 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
Suspend
Read
Er as e
Suspend
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 Semiconductor Memory Technology Inc.
Publication Date : Jan. 2008
Revision: 1.6 42/47
ESMT [ ELITE SEMICONDUCTOR MEMORY TECHNOLOGY INC. ]
