EN29LV320A
AC CHARACTERISTICS
Sector (Group) Protect and Chip Unprotect
Figure 12. Sector (Group) Protect and Chip Unprotect Timing Diagram
VID
Vcc
RESET#
0V
0V
tVIDR
tVIDR
SA,
A6,A1,A0
Valid
60h
Valid
Valid
Data
60h
40h
Status
Sector Protect/Unprotect
Verify
CE#
>0.4μS
WE#
>1μS
Protect: 150 uS
Unprotect: 15 mS
OE#
Notes:
Use standard microprocessor timings for this device for read and write cycles.
For Sector (Group) Protect, use A6=0, A1=1, A0=0. For Chip Unprotect, use A6=1, A1=1, A0=0.
This Data Sheet may be revised by subsequent versions
or modifications due to changes in technical specifications.
©2004 Eon Silicon Solution, Inc., www.essi.com.tw
44
Rev. B, Issue Date: 2007/07/17