WED8L24258V
ACCHARACTERISTICSWRITECYCLE
Symbol
JEDEC Alt.
10ns
Min Max
TAVAV
12ns
Min Max
15ns
Parameter
Write
Min Max Units
Cycle
Time
TWC
1012
15
ns
Chip Enable to End of Write
TELWH TCW
8
8
9
9
9
9
ns
ns
TELEH
TCW
Address
Address
Write
Setup
Valid
Pulse
Time
TAS
TAVWL
TAS
n0s0
TAVEL
to
TAVEH
n0s0
End
8
of
9
Write
10ns
TAVWH
1011
TAW
8
TAW
Width
TWLEH TWP
Time
TWR
Time
TDH
TWLQZ TWHZ
TDVWH TDW
TDVEH TDW
TWLWH TWP
1011
8
ns
8
ns
n0s0
Write
Recovery
Hold
TWHAX TWR
TEHAX
TEHDX
n0s0
Data
TWHDX TDH
n0s0
n0s0
05
6
6
Write to Output in High Z (1)
Data to Write Time
60
07
ns
6
6
7
7
ns
ns
OutputActive from End of Write (1) TWHQX TWLZ
3
3
3
ns
NOTE 1: Parameter is guaranteed, but not tested.
FIG. 6 WRITE CYCLE 1 - W CONTROLLED
tAVAV
A
tAVWH
tELWH
tWHAX
E
tAVWL
tWLWH
W
D
tDVWH
tWHDX
DATA VALID
tWLQZ
tWHQX
HIGH Z
Q
July 2002 Rev. 0A
ECO #15432
White Electronic Designs Corporation (508) 366-5151 www.whiteedc.com
4
WEDC [ WHITE ELECTRONIC DESIGNS CORPORATION ]
