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WED8L24257V Datasheet(PDF) 3 Page - White Electronic Designs Corporation

Part No. WED8L24257V
Description  Asynchronous SRAM, 3.3V, 256Kx24
Download  6 Pages
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Maker  WEDC [White Electronic Designs Corporation]
Homepage  http://www.whiteedc.com
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WED8L24257V Datasheet(HTML) 3 Page - White Electronic Designs Corporation

   
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White Electronic Designs Corporation • (508) 366-5151 • www.whiteedc.com
July 2002 Rev. 1A
ECO #15432
WED8L24257V
AC CHARACTERISTICS READ CYCLE
Symbol
10ns
12ns
15ns
Parameter
JEDEC
Alt.
Min Max
Min Max
Min Max
Units
Read Cycle Time
TAVAV
TRC
1012
15
ns
AddressAccess Time
TAVQV
TAA
1012
15
ns
Chip EnableAccess Time
TELQV
TACS
1012
15
ns
Chip Enable to Output in Low Z (1)
TELQX
TCLZ
3
3
3
ns
Chip Disable to Output in High Z (1)
TEHQZ
TCHZ
5
6
7
ns
Output Hold fromAddress Change
TAVQX
TOH
3
3
3
ns
Output Enable to Output Valid
TGLQV
TOE
5
6
7
ns
Output Enable to Output in Low Z (1)
TGLQX
TOLZ
00 0
ns
Output Disable to Output in High Z(1)
TGHQZ
TOHZ
5
6
7
ns
FIG. 4 READCYCLE1-WHIGH,G,ELOW
FIG. 5 READCYCLE2-WHIGH
A
Q
tAVQV
tELQV
tGLQV
tELQX
tGLQX
tAVAV
tEHQZ
tGHQZ
G
E
NOTE 1: Parameter is guaranteed, but not tested.
A
Q
tAVQX
tAVQV
tAVAV
DATA 2
ADDRESS 1
ADDRESS 2
DATA 1


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