參數(shù)資料
型號(hào): EN29LV040A
廠商: Electronic Theatre Controls, Inc.
英文描述: 4 Megabit (512K x 8-bit ) Uniform Sector, CMOS 3.0 Volt-only Flash Memory
中文描述: 4兆位(為512k × 8位)統(tǒng)一部門,3.0伏的CMOS只閃存
文件頁數(shù): 23/35頁
文件大?。?/td> 257K
代理商: EN29LV040A
This Data Sheet may be revised by subsequent versions 2003 Eon Silicon Solution, Inc., www.essi.com.tw
or modifications due to changes in technical specifications.
Rev. A, Issue Date: 2005/08/16
EN29LV040A
Table 9. AC CHARACTERISTICS
Write (Erase/Program) Operations
Parameter
Symbols
JEDEC
Standard
Speed Options
Description
-45R
-55R
-70
-90
Unit
t
AVAV
t
WC
Write Cycle Time
Min
45
55
70
90
ns
t
AVWL
t
AS
Address Setup Time
Min
0
0
0
0
ns
t
WLAX
t
AH
Address Hold Time
Min
35
45
45
45
ns
t
DVWH
t
DS
Data Setup Time
Min
20
25
30
45
ns
t
WHDX
t
DH
Data Hold Time
Min
0
0
0
0
ns
t
OES
Output Enable Setup Time
Min
0
0
0
0
ns
Read
Toggle and
DATA
Polling
MIn
0
0
0
0
ns
t
OEH
Output Enable
Hold Time
Min
10
10
10
10
ns
t
GHWL
t
GHWL
Read Recovery Time before
Write (
OE
High to
W E
Low)
CE
SetupTime
Min
0
0
0
0
ns
t
ELWL
t
WHEH
t
WLWH
t
WHDL
t
CS
t
CH
t
WP
t
WPH
Min
0
0
0
0
ns
CE
Hold Time
Min
0
0
0
0
ns
Write Pulse Width
Min
25
30
35
45
ns
Write Pulse Width High
Min
20
20
20
20
ns
Typ
8
8
8
8
μs
t
WHWH1
t
WHWH1
Programming Operation
Max
300
300
300
300
μs
t
WHWH2
t
WHWH2
t
VCS
Sector Erase Operation
Typ
0.5
0.5
0.5
0.5
s
Vcc Setup Time
Min
50
50
50
50
μs
t
VIDR
Rise Time to V
ID
Min
500
500
500
500
ns
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