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WED8L24257V Datasheet(PDF) 4 Page - White Electronic Designs Corporation

Part No. WED8L24257V
Description  Asynchronous SRAM, 3.3V, 256Kx24
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Maker  WEDC [White Electronic Designs Corporation]
Homepage  http://www.whiteedc.com
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WED8L24257V Datasheet(HTML) 4 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
NOTE 1: Parameter is guaranteed, but not tested.
AC CHARACTERISTICS WRITE CYCLE
FIG. 6 WRITECYCLE1-WCONTROLLED
A
D
tAVWH
tELWH
tWHAX
tWLWH
tDVWH
tWLQZ
tWHQX
tAVWL
tWHDX
tAVAV
DATA VALID
HIGH Z
W
E
Q
Symbol
10ns
12ns
15ns
Parameter
JEDEC
Alt.
Min
Max
Min Max
Min Max Units
Write Cycle Time
TAVAV
TWC
1012
15
ns
Chip Enable to End of Write
TELWH
TCW
8
9
9
ns
TELEH
TCW
8
9
9
ns
Address Setup Time
TAVWL
TAS
000
ns
TAVEL
TAS
000
ns
Address Valid to End of Write
TAVWH
TAW
8
9
10ns
TAVEH
TAW
8
9
10ns
Write Pulse Width
TWLWH
TWP
8
1011
ns
TWLEH
TWP
8
1011
ns
Write Recovery Time
TWHAX
TWR
000
ns
TEHAX
TWR
000
ns
Data Hold Time
TWHDX
TDH
000
ns
TEHDX
TDH
000
ns
Write to Output in High Z (1)
TWLQZ TWHZ
05
06
07
ns
Data to Write Time
TDVWH
TDW
6
6
7
ns
TDVEH
TDW
6
6
7
ns
OutputActive from End of Write (1) TWHQX TWLZ
3
3
3
ns


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