EN29GL064 Datasheet, PDF (58/66 Pages) Eon Silicon Solution Inc. – 64 Megabit (8192K x 8-bit / 4096K x 16-bit) Flash Memory

Table 22. Temporary Sector Unprotect
Preliminary EN29GL064
Parameter
Std
Description
Speed Option
Unit
-70
t_VIDR
V_ID Rise and Fall Time
Min
500
ns
t_RSP
RESET# Setup Time for Temporary
Sector Unprotect(Note)
Min
4
µs
Notes: Not 100% tested.
Figure 22. Temporary Sector Unprotect Timing Diagram
VID
RESET#
0 or 3 V
CE#
tVIDR
tVIDR
0 or 3 V
WE#
tRSP
RY/BY#
Figure 23. Sector Protect/Unprotect Timing Diagram
VID
Vcc
RESET#
0V
tVIDR
0V
tVIDR
SA,
A6,A1,A0
Valid
Valid
Valid
Data
CE#
60h
60h
Sector Protect/Unprotect
40h
Verify
Status
>0.4µS
WE#
OE#
>1µS
Sector Protect: 150 uS
Sector Unprotect: 15 mS
Notes:
Use standard microprocessor timings for this device for read and write cycles.
For Sector Protect, use A6=0, A1=1, A0=0. For Sector Unprotect, use A6=1, A1=1, A0=0.
This Data Sheet may be revised by subsequent versions
58
or modifications due to changes in technical specifications.
©2004 Eon Silicon Solution, Inc.,
Rev. A, Issue Date: 2009/3/20
www.eonssi.com