GS81302S08 Datasheet, PDF (13/35 Pages) GSI Technology – 144Mb SigmaSIOTM DDR -II Burst of 2 SRAM

GS81302S08/09/18/36E-375/350/333/300/250
x36 Byte Write Enable (BWn) Truth Table
BW3 BW2 BW1 BW0
1
1
1
1
0
1
1
1
1
0
1
1
0
0
1
1
1
1
0
1
0
1
0
1
1
0
0
1
0
0
0
1
1
1
1
0
0
1
1
0
1
0
1
0
0
0
1
0
1
1
0
0
0
1
0
0
1
0
0
0
0
0
0
0
D27–D35
Don’t Care
Don’t Care
Don’t Care
Don’t Care
Don’t Care
Don’t Care
Don’t Care
Don’t Care
Data In
Data In
Data In
Data In
Data In
Data In
Data In
Data In
D18–D26
Don’t Care
Don’t Care
Don’t Care
Don’t Care
Data In
Data In
Data In
Data In
Don’t Care
Don’t Care
Don’t Care
Don’t Care
Data In
Data In
Data In
Data In
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
x8 Nybble Write Enable (NWn) Truth Table
NW1
NW0
1
1
0
1
1
0
0
0
D9–D17
Don’t Care
Don’t Care
Data In
Data In
D9–D17
Don’t Care
Don’t Care
Data In
Data In
Don’t Care
Don’t Care
Data In
Data In
Don’t Care
Don’t Care
Data In
Data In
Don’t Care
Don’t Care
Data In
Data In
D0–D8
Don’t Care
Data In
Don’t Care
Data In
Don’t Care
Data In
Don’t Care
Data In
Don’t Care
Data In
Don’t Care
Data In
Don’t Care
Data In
Don’t Care
Data In
D9–D17
Don’t Care
Don’t Care
Data In
Data In
D0–D8
Don’t Care
Data In
Don’t Care
Data In
Rev: 1.03b 12/2011
13/35
Specifications cited are subject to change without notice. For latest documentation see http://www.gsitechnology.com.
© 2011, GSI Technology