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| 型號(hào)： | GS8342D11BD-550IT |
| 廠商： | GSI TECHNOLOGY |
| 元件分類(lèi)： | SRAM |
| 英文描述： | 4M X 9 QDR SRAM, 0.45 ns, PBGA165 |
| 封裝： | 13 X 15 MM, 1 MM PITCH, FPBGA-165 |
| 文件頁(yè)數(shù)： | 3/31頁(yè) |
| 文件大小： | 950K |
| 代理商： | GS8342D11BD-550IT |
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Nybble Write Clock Truth Table
NW
Current Operation
D
K
↑
(tn+1)
K
↑
(tn+1)
K
↑
(tn+2)
K
↑
(tn+2)
K
↑
(tn)
K
↑
(tn+1)
K
↑
(tn+1)
K
↑
(tn+2)
K
↑
(tn+2)
T
Write
Dx stored if NWn = 0 in all four data transfers
D0
D2
D3
D4
T
F
Write
Dx stored if NWn = 0 in 1st data transfer only
D0
X
F
T
F
Write
Dx stored if NWn = 0 in 2nd data transfer only
X
D1
X
F
T
F
Write
Dx stored if NWn = 0 in 3rd data transfer only
X
D2
X
F
T
Write
Dx stored if NWn = 0 in 4th data transfer only
X
D3
F
Write Abort
No Dx stored in any of the four data transfers
X
Notes:
1. “1” = input “high”; “0” = input “l(fā)ow”; “X” = input “don’t care”; “T” = input “true”; “F” = input “false”.
2. If one or more NWn = 0, then NW = “T”, else NW = “F”.
x8 Nybble Write Enable (NWn) Truth Table
NW0
NW1
D0–D3
D4–D7
1
Don’t Care
0
1
Data In
Don’t Care
1
0
Don’t Care
Data In
0
Data In
Specifications cited are subject to change without notice. For latest documentation see http://www.gsitechnology.com.
Rev: 1.00 4/2011
11/31
2011, GSI Technology
Preliminary
GS8342D06/11/20/38BD-550/500/450/400/350
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