EN29LV640
AC CHARACTERISTICS
Table 14. Write (Erase/Program) Operations
Parameter
Symbols
JEDEC
Standard
Description
Write Cycle Time
B
Speed Options
90
Min
Min
Min
Min
Min
Min
Min
Min
Min
Min
Min
90
0
40
40
0
20
0
0
0
30
25
Unit
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
t
AVAV
B
B
t
WC
B
B
t
AVWL
B
t
AS
B
B
B
Address Setup Time
B
t
WLAX
B
B
t
AH
B
B
Address Hold Time
Data Setup Time
B
t
DVWH
t
WHDX
B
B
t
DS
B
B
t
DH
B
Data Hold Time
Output Enable Hold Time
during Toggle and DATA#
Polling
Read Recovery Time before
Write (OE# High to WE# Low)
B
t
OEH
B
B
t
GHWL
B
B
t
GHWL
B
t
ELWL
B
B
B
t
CS
B
B
B
CE# Setup Time
B
t
WHEH
B
t
CH
B
B
CE# Hold Time
B
t
WLWH
t
WHDL
B
B
t
WP
B
Write Pulse Width
B
t
WPH
B
Write Pulse Width High
t
WHWH1
B
t
WHWH1
B
B
Programming Operation
Typ
8
碌s
t
WHWH1
B
B
t
WHWH1
B
B
Accelerated Programming
Operation
Typ
5
碌s
t
WHWH2
B
B
t
WHWH2
B
B
Sector Erase Operation
Typ
0.5
s
t
WHWH3
B
B
t
WHWH3
B
B
Chip Erase Operation
Typ
64
s
t
VHH
B
B
V
HH
Rise and Fall Time
V
CC
Setup Time
Min
Min
250
50
ns
碌s
t
VCS
B
B
This Data Sheet may be revised by subsequent versions
or modifications due to changes in technical specifications.
36
漏2005 Eon Silicon Solution, Inc., www.essi.com.tw
Rev. C, Issue Date: 2007/01/23