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參數(shù)資料
| 型號： | GS8342TT06BGD-500T |
| 廠商： | GSI TECHNOLOGY |
| 元件分類： | SRAM |
| 英文描述： | 4M X 8 DDR SRAM, 0.45 ns, PBGA165 |
| 封裝： | 13 X 15 MM, 1 MM PITCH, ROHS COMPLIANT, FPBGA-165 |
| 文件頁數(shù)： | 30/30頁 |
| 文件大?。?/td> | 267K |
| 代理商： | GS8342TT06BGD-500T |
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Specifications cited are subject to change without notice. For latest documentation see http://www.gsitechnology.com.
Rev: 1.00 5/2011
9/30
2011, GSI Technology
Preliminary
GS8342TT06/11/20/38BD-550/500/450/400/350
Common I/O SigmaDDR-II+ B2 SRAM Truth Table
Kn
LD
R/W
DQ
Operation
A + 0
A + 1
1
X
Hi-Z / *
Deselect
00
D@Kn+1
Write
01
Q@Kn+2
Q@Kn+3
Read
Notes:
1. “1” = input “high”; “0” = input “l(fā)ow”; “V” = input “valid”; “X” = input “don’t care”.
2. D1 and D2 indicate the first and second pieces of Write Data transferred during Write operations.
3. Q1 and Q2 indicate the first and second pieces of Read Data transferred during Read operations.
4. When On-Die Termination is disabled (ODT = 0), DQ drivers are disabled (i.e., DQ pins are tri-stated) for one cycle in response to NOP
and Write commands, 2.5 cycles after the command is sampled.
5. When On-Die Termination is enabled (ODT = 1), DQ drivers are disabled for one cycle in response to NOP and Write commands, 2.5
cycles after the command is sampled. The state of the DQ pins during that time (denoted by “*” in the table above) is determined by the
state of the DQ input termination. See the Input Termination Impedance Control section for more information.
Burst of 2 Byte Write Clock Truth Table
BW
Current Operation
D
K
(tn + 1)
K
(tn + 1)
K
(tn)
K
(tn + 1)
K
(tn + 1)
TT
Write
Dx stored if BWn = 0 in both data transfers
D1
D2
TF
Write
Dx stored if BWn = 0 in 1st data transfer only
D1
X
FT
Write
Dx stored if BWn = 0 in 2nd data transfer only
XD2
FF
Write Abort
No Dx stored in either data transfer
XX
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 BWn = 0, then BW = “T”, else BW = “F”.
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相關(guān)代理商/技術(shù)參數(shù) |
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|---|---|
| GS8342TT11BD-500 | 制造商:GSI Technology 功能描述:165 FBGA - Bulk |
| GS8342TT11BD-500I | 制造商:GSI Technology 功能描述:165 FBGA - Bulk |
| GS8342TT11BD-550 | 制造商:GSI Technology 功能描述:165 FBGA - Bulk |
| GS8342TT11BD-550I | 制造商:GSI Technology 功能描述:165 FBGA - Bulk |
| GS8342TT20BD-500 | 制造商:GSI Technology 功能描述:165 FBGA - Bulk |
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