EN29LV400A
Table 9. AC CHARACTERISTICS
Write (Erase/Program) Operations
Parameter
Symbols
Speed Options
JEDEC
Standard Description
-45R
-55R
-70
-90
Unit
Min
Min
Min
Min
Min
45
55
70
90
ns
tAVAV
tWC
tAS
Write Cycle Time
0
35
20
0
0
45
25
0
0
45
30
0
0
45
45
0
ns
ns
ns
ns
tAVWL
tWLAX
tDVWH
tWHDX
Address Setup Time
Address Hold Time
Data Setup Time
tAH
tDS
tDH
tOES
Data Hold Time
Min
MIn
Min
0
0
0
0
0
0
0
0
ns
ns
ns
Output Enable Setup Time
Read
Output Enable
Toggle and
Hold Time
tOEH
10
10
10
10
Data# Polling
Read Recovery Time before
Write (OE# High to WE# Low)
Min
0
0
0
0
ns
tGHWL
tELWL
tWHEH
tWLWH
tWHDL
tGHWL
tCS
CE# SetupTime
CE# Hold Time
Min
Min
Min
Min
0
0
0
0
0
0
0
0
ns
ns
ns
ns
tCH
25
20
30
20
35
20
45
20
tWP
Write Pulse Width
tWPH
Write Pulse Width High
Typ
8
8
8
8
µs
Programming Operation
(Word AND Byte Mode)
tWHWH1 tWHWH1
Max
Typ
Min
300
0.5
50
300
0.5
50
300
0.5
50
300
0.5
50
µs
s
tWHWH2 tWHWH2
Sector Erase Operation
Vcc Setup Time
µs
tVCS
Min
500
500
500
500
ns
tVIDR
Rise Time to V
ID
This Data Sheet may be revised by subsequent versions
or modifications due to changes in technical specifications.
©2005 Eon Silicon Solution, Inc., www.essi.com.tw
28
Rev. A, Issue Date: 2005/01/07