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Компоненты Описание
AS29LV400 Просмотр технического описания (PDF) - Alliance Semiconductor
Номер в каталоге
Компоненты Описание
производитель
AS29LV400
3V 512K x 8/256K × 16 CMOS Flash EEPROM
Alliance Semiconductor
AS29LV400 Datasheet PDF : 25 Pages
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March 2001
AS29LV400
®
AC parameters — write cycle
JEDEC
Symbol
t
AVAV
t
AVWL
t
WLAX
t
DVWH
t
WHDX
t
GHWL
t
ELWL
t
WHEH
t
WLWH
t
WHWL
Std Symbol Parameter
t
WC
t
AS
t
AH
t
DS
t
DH
t
GHWL
t
CS
t
CH
t
WP
t
WPH
Write cycle time
Address setup time
Address hold time
Data setup time
Data hold time
Read recover time before write
C E
setup time
C E
hold time
Write pulse width
Write pulse width high
-70
Min Max
70 -
0
-
45
-
35
-
0
-
0
-
0
-
0
-
35 -
30 -
-80
Min Max
80 -
0
-
45 -
35 -
0
-
0
-
0
-
0
-
35 -
30 -
-90
Min Max
90 -
0
-
45 -
45 -
0
-
0
-
0
-
0
-
35 -
30 -
WE
controlled
-120
Min Max Unit
120 - ns
0
- ns
50 - ns
50 - ns
0
- ns
0
- ns
0
- ns
0
- ns
50 - ns
30 - ns
Write waveform
Addresses
CE
OE
WE
DATA
t
WC
555h
t
CH
3rd bus cycle
t
AS
Program address
t
AH
DATA
polling
Program address
t
GHWL
; t
OES
t
WP
t
CS
t
WPH
t
DH
A0h
t
DS
t
WHWH1 or 2
Program
data
DQ
7
D
OUT
WE
controlled
3/20/01; V.0.9.3
Alliance Semiconductor
P. 17 of 25
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