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GS82582DT20GE-400I Datasheet, PDF (8/27 Pages) GSI Technology – Dual Double Data Rate interface | |||
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GS82582DT20/38GE-550/500/450/400
Byte Write Clock Truth Table
BW
BW
BW
BW
Current Operation
D
D
D
D
Kï
(tn+1)
T
Kï
(tn+1½)
T
Kï
(tn+2)
T
Kï
(tn+2½)
T
Kï
(tn)
Write
Dx stored if BWn = 0 in all four data transfers
Kï
(tn+1)
D0
Kï
(tn+1½)
D2
Kï
(tn+2)
D3
Kï
(tn+2½)
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. â1â = input âhighâ; â0â = input âlowâ; âXâ = input âdonât careâ; âTâ = input âtrueâ; âFâ = input âfalseâ.
2. If one or more BWn = 0, then BW = âTâ, else BW = âFâ.
Rev: 1.03 4/2016
8/27
Specifications cited are subject to change without notice. For latest documentation see http://www.gsitechnology.com.
© 2012, GSI Technology
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