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AS29LV400 Datasheet(PDF) 21 Page - Alliance Semiconductor Corporation

Part # AS29LV400
Description  3V 512K x 8/256K 횞 16 CMOS Flash EEPROM
PDF  25 Pages
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Manufacturer  ALSC [Alliance Semiconductor Corporation]
Direct Link  https://www.alliancememory.com
Logo ALSC - Alliance Semiconductor Corporation

AS29LV400 Datasheet(HTML) 21 Page - Alliance Semiconductor Corporation

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®
AS29LV400
March 2001
3/20/01; V.0.9.3
Alliance Semiconductor
P. 21 of 25
Word/byte configuration
BYTE
read waveform
BYTE
write waveform
Sector protect/unprotect
JEDEC
Symbol
Std Symbol
Parameter
-70
-80
-90
-120
Unit
Min
Max
Min
Max
Min
Max
Min
Max
-tELFL/tELFH
CE to BYTE switching Low or High
-
10
-
10
-
10
-
10
ns
-tFLQZ
BYT E switching Low to output High-Z
-
30
-
30
-
35
-
40
ns
-tFHQZ
BYT E switching High to output Active
70
-
80
-
90
-
120
-
ns
CE
OE
YTE
DQ0-DQ14
DQ15/A-1
BYT E
DQ0-DQ14
DQ15/A-1
BYT E
Word
to
Byte
Byte
to
Word
Data output
Data output
Address input
DQ15 output
Data output
DQ0-DQ7
DQ0-DQ14
DQ0-DQ7
Data output
DQ0-DQ14
Address input
DQ15 output
tELFL
tELFH
tFLQZ
tFHQV
CE
WE
BY TE
falling edge of last
WE signal
tSET
(tAS)tHOLD (tAH)
See Erase/Program operations table for tAS and tAH specifications.
RE SE T#
CE #
OE #
* For sector protect, A6=0, A1=1, A0=0. For sector unprotect, A6=1, A1=1, A0=0.
VID
VIH
Valid*
Valid*
Valid*
SA, A
A1, A
60h
40h
Status
60h
DATA
Sec t or prot ec t / unp rotect
1 µs
Sector protect: 100 µs
Sector unprotect: 10 ms
WE #
Verify
Don’t care
Don’t care
Don’t care
Don’t care
Don’t care



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