參數資料
型號: 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: 24/35頁
文件大小: 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 10. AC CHARACTERISTICS
Write (Erase/Program) Operations
Alternate
CE
Controlled Writes
Parameter
Symbols
JEDEC
Standard
t
AVAV
t
WC
Write Cycle Time
Speed Options
Description
Min
-45R
-55R
-70
-90
Unit
45
55
70
90
ns
t
AVEL
t
AS
Address Setup Time
Min
0
0
0
0
ns
t
ELAX
t
AH
Address Hold Time
Min
35
45
45
45
ns
t
DVEH
t
DS
Data Setup Time
Min
20
25
30
45
ns
t
EHDX
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
GHEL
t
GHEL
Read Recovery Time before
Write (
OE
High to
CE
Low)
Min
0
0
0
0
ns
t
WLEL
t
EHWH
t
ELEH
t
EHEL
t
WHWH1
t
WHWH1
t
WS
t
WH
t
CP
t
CPH
W E
SetupTime
Min
0
0
0
0
ns
W E
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
Programming Operation
Max
300
300
300
300
μs
t
WHWH2
t
WHWH2
Sector Erase Operation
Typ
0.5
0.5
0.5
0.5
s
t
VCS
t
VIDR
Vcc Setup Time
Min
50
50
50
50
μs
Rise Time to V
ID
Min
500
500
500
500
ns
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