GS8180D18D-250I 查看數據表（PDF） - Giga Semiconductor
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GS8180D18D-250I Datasheet PDF : 28 Pages
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GS8180D18D-250/200/167/133/100
Byte Write Clock Truth Table
BW BW BW BW
Current Operation
D
D
D
D
K↑
K↑
K↑
K↑
K↑
K↑
K↑
K↑
K↑
(tn+1) (tn+1½) (tn+2) (tn+2½)
(tn)
(tn+1) (tn+1½) (tn+2) (tn+2½)
T
T
T
T
Write
Dx stored if BWn = 0 in all four data transfers
D0
D2
D3
D4
T
F
F
F
Write
Dx stored if BWn = 0 in 1st data transfer only
D0
X
X
X
F
T
F
F
Write
Dx stored if BWn = 0 in 2nd data transfer only
X
D1
X
X
F
F
T
F
Write
Dx stored if BWn = 0 in 3rd data transfer only
X
X
D2
X
F
F
F
T
Write
Dx stored if BWn = 0 in 4th data transfer only
X
X
X
D3
F
F
F
F
Write Abort
No Dx stored in any of the four data transfers
X
X
X
X
Notes:
1. “1” = input “high”; “0” = input “low”; “X” = input “don’t care”; “T” = input “true”; “F” = input “false”.
2. If one or more BWn = 0, then BW = “T”, else BW = “F”.
x18 Byte Write Enable (BWn) Truth Table
BW0 BW1
1
1
0
1
1
0
0
0
D0–D8
Don’t Care
Data In
Don’t Care
Data In
D9–D17
Don’t Care
Don’t Care
Data In
Data In
Rev: 2.04 4/2005
10/28
Specifications cited are subject to change without notice. For latest documentation see http://www.gsitechnology.com.
© 2002, GSI Technology
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