欧美成人免费电影,国产欧美一区二区三区精品酒店,精品国产a毛片,色网在线免费观看

參數(shù)資料
型號(hào): GS8662D09E-167
廠商: GSI TECHNOLOGY
元件分類: DRAM
英文描述: 72Mb SigmaQuad-II Burst of 4 SRAM
中文描述: 8M X 9 DDR SRAM, 0.5 ns, PBGA165
封裝: 15 X 17 MM, 1 MM PITCH, FPBGA-165
文件頁(yè)數(shù): 9/29頁(yè)
文件大小: 896K
代理商: GS8662D09E-167
Preliminary
GS8662D08/09/18/36E-333/300/250/200/167
Specifications cited are subject to change without notice. For latest documentation see http://www.gsitechnology.com.
Rev: 1.01a 2/2006
9/29
2005, GSI Technology
Power-Up Sequence for SigmaQuad-II SRAMs
SigmaQuad-II SRAMs must be powered-up in a specific sequence in order to avoid undefined operations.
Power-Up Sequence
1. Power-up and maintain Doff at low state.
1a.
Apply V
DD
.
1b. Apply V
DDQ
.
1c. Apply V
REF
(may also be applied at the same time as V
DDQ
).
2. After power is achieved and clocks (K, K, C, C) are stablized, change Doff to high.
3. An additional 1024 clock cycles are required to lock the DLL after it has been enabled.
Note:
If you want to tie Doff high with an unstable clock, you must stop the clock for a minimum of 30 seconds to reset the DLL after the clocks become
stablized.
DLL Constraints
The DLL synchronizes to either K or C clock. These clocks should have low phase jitter (t
KCVar
on page 21).
The DLL cannot operate at a frequency lower than 119 MHz.
If the incoming clock is not stablized when DLL is enabled, the DLL may lock on the wrong frequency and cause undefined errors or failures during
the initial stage.
Power-Up Sequence (Doff controlled)
Power UP Interval
Unstable Clocking Interval
DLL Locking Interval (1024 Cycles)
Normal Operation
K
K
V
DD
V
DDQ
V
REF
Doff
Power-Up Sequence (Doff tied High)
Power UP Interval
Unstable Clocking Interval
Stop Clock Interval
30ns Min
DLL Locking Interval (1024 Cycles)
Normal Operation
K
K
V
DD
V
DDQ
V
REF
Doff
Note:
If the frequency is changed, DLL reset is required. After reset, a minimum of 1024 cycles is required for DLL lock.
相關(guān)PDF資料
PDF描述
GS8662D09E-167I 72Mb SigmaQuad-II Burst of 4 SRAM
GS8662D09E-200 72Mb SigmaQuad-II Burst of 4 SRAM
GS8662D09E-200I 72Mb SigmaQuad-II Burst of 4 SRAM
GS8662D09E-250 72Mb SigmaQuad-II Burst of 4 SRAM
GS8662D09E-250I 72Mb SigmaQuad-II Burst of 4 SRAM
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
GS8662D09E-167I 制造商:GSI 制造商全稱:GSI Technology 功能描述:72Mb SigmaQuad-II Burst of 4 SRAM
GS8662D09E-200 制造商:GSI 制造商全稱:GSI Technology 功能描述:72Mb SigmaQuad-II Burst of 4 SRAM
GS8662D09E-200I 制造商:GSI 制造商全稱:GSI Technology 功能描述:72Mb SigmaQuad-II Burst of 4 SRAM
GS8662D09E-250 制造商:GSI 制造商全稱:GSI Technology 功能描述:72Mb SigmaQuad-II Burst of 4 SRAM
GS8662D09E-250I 制造商:GSI 制造商全稱:GSI Technology 功能描述:72Mb SigmaQuad-II Burst of 4 SRAM
主站蜘蛛池模板: 迁西县| 五华县| 乌兰县| 宁河县| 开平市| 论坛| 新巴尔虎左旗| 顺昌县| 凤台县| 出国| 乌鲁木齐市| 克什克腾旗| 中西区| 当涂县| 昆明市| 上栗县| 芒康县| 肥城市| 富平县| 嘉善县| 阳新县| 同德县| 景东| 汪清县| 依兰县| 洪洞县| 莆田市| 上栗县| 常熟市| 滁州市| 盱眙县| 富蕴县| 托里县| 嘉祥县| 建宁县| 拜城县| 沂南县| 比如县| 古交市| 长宁县| 枞阳县|