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參數(shù)資料
| 型號： | GS4915 |
| 廠商： | Gennum Corporation |
| 英文描述： | CONN,S/R,8 POS,254C-08-1, CLOSED END STRAIN RELIEF COVER |
| 中文描述： | ClockCleaner⑩ |
| 文件頁數(shù)： | 20/26頁 |
| 文件大?。?/td> | 533K |
| 代理商： | GS4915 |
GS4915 Data Sheet
39145 - 3
November 2007
20 of 26
3.6 Output Skew
The GS4915 provides the user with the option of advancing the phase of the output
clock from that of the input clock. This feature is controlled by the external
SKEW_EN pin.
When SKEW_EN is set LOW, the output clock will be delayed from the selected
input clock only by the latency of the device. By setting SKEW_EN = HIGH, the
user can advance the output clock from the selected input clock by one quarter of
an output period, minus the latency of the device. Please see
Figure 3-2
.
Figure 3-2: Output skew behaviour of GS4915
Fixed –
74.25MHz [10]
27MHz
0
LOW
74.25MHz
1
LOW
148.5MHz
74.25MHz
0
HIGH
74.25MHz
1
HIGH
148.5MHz
148.5MHz
0
LOW
74.25MHz
1
LOW
148.5MHz
Other
0
LOW
74.25MHz
1
LOW
148.5MHz
Fixed –
148.5MHz [11]
27MHz
X
LOW
148.5MHz
74.25MHz
X
LOW
148.5MHz
148.5MHz
X
HIGH
148.5MHz
Other
X
LOW
148.5MHz
*NOTE: The output clock will remain within ± 5% of the last locked frequency if an input frequency
other than 27MHz, 74.25MHz, or 148.5MHz is applied to the selected clock input. If operating
under these conditions upon power-up, the output frequency will be 74.25MHz ± 5%.
Table 3-6: Output Behaviour in Forced Output Mode (Continued)
FCTRL[1:0]
Input
DOUBLE
LOCK
Output
Device Latency
1/4 CLK Period - Device Latency
Input Clock
Output Clock
SKEW_EN = LOW
SKEW_EN = HIGH
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| GS4915_09 | 制造商:GENNUM 制造商全稱:GENNUM 功能描述:ClockCleaner |
| GS4915-CNE3 | 制造商:Semtech Corporation 功能描述:QFN-40 pin (490/tray) |
| GS4915INE3 | 制造商:Gennum Corporation 功能描述:CLOCKCLEANER HD/SD VIDEO INPUT 40QFN 制造商:Gennum Corporation 功能描述:CLOCKCLEANER, HD/SD, VIDEO INPUT, 40QFN |
| GS4915-INE3 | 功能描述:IC CLK JITTER CLEANR 40QFN RoHS:是 類別:集成電路 (IC) >> 時鐘/計時 - 時鐘發(fā)生器，PLL，頻率合成器 系列:ClockCleaner™ 標準包裝:1,000 系列:Precision Edge® 類型:時鐘/頻率合成器 PLL:無 輸入:CML，PECL 輸出:CML 電路數(shù):1 比率 - 輸入:輸出:2:1 差分 - 輸入:輸出:是/是 頻率 - 最大:10.7GHz 除法器/乘法器:無/無 電源電壓:2.375 V ~ 3.6 V 工作溫度:-40°C ~ 85°C 安裝類型:表面貼裝 封裝/外殼:16-VFQFN 裸露焊盤，16-MLF? 供應(yīng)商設(shè)備封裝:16-MLF?（3x3） 包裝:帶卷 (TR) 其它名稱:SY58052UMGTRSY58052UMGTR-ND |
| GS4953 | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:臺灣晶群科技 |
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