參數(shù)資料
型號(hào): GS8662Q18BD-357
廠商: GSI TECHNOLOGY
元件分類: SRAM
英文描述: 4M X 18 STANDARD SRAM, 0.45 ns, PBGA165
封裝: 15 X 13 MM, 1 MM PITCH, FPBGA-165
文件頁(yè)數(shù): 6/36頁(yè)
文件大?。?/td> 850K
代理商: GS8662Q18BD-357
Separate I/O SigmaQuad-II B2 SigmaQuad-II SRAM Read Truth Table
A
R
Output Next State
Q
K
(tn)
K
(tn)
K
(tn)
K
(tn+1)
K
(tn+2)
X
1
Deselect
Hi-Z
V
0
Read
Q0
Q1
Notes:
1. X = Don’t Care, 1 = High, 0 = Low, V = Valid.
2. R is evaluated on the rising edge of K.
3. Q0 and Q1 are the first and second data output transfers in a read.
Separate I/O SigmaQuad-II B2 SigmaQuad-II SRAM Write Truth Table
A
W
BWn
Input Next State
D
K
(tn + )
K
(tn)
K
(tn)
K
(tn + )
K
↑, K
(tn), (tn + )
K
(tn)
K
(tn + )
V
0
Write Byte Dx0, Write Byte Dx1
D0
D1
V
0
1
Write Byte Dx0, Write Abort Byte Dx1
D0
X
V
0
1
0
Write Abort Byte Dx0, Write Byte Dx1
X
D1
X
0
1
Write Abort Byte Dx0, Write Abort Byte Dx1
X
1
X
Deselect
X
Notes:
1. X = Don’t Care, H = High, L = Low, V = Valid.
2. W is evaluated on the rising edge of K.
3. D0 and D1 are the first and second data input transfers in a write.
4. BWn represents any of the Byte Write Enable inputs (BW0, BW1, etc.).
GS8662Q08/09/18/36BD-357/333/300/250/200
Specifications cited are subject to change without notice. For latest documentation see http://www.gsitechnology.com.
Rev: 1.02 3/2011
14/36
2011, GSI Technology
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