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參數(shù)資料
| 型號(hào)： | HD151TS305RPEL |
| 廠商： | Renesas Technology Corp. |
| 英文描述： | Spread Spectrum Clock for EMI Solution |
| 中文描述： | 擴(kuò)頻時(shí)鐘的EMI解決方案 |
| 文件頁數(shù)： | 8/10頁 |
| 文件大?。?/td> | 85K |
| 代理商： | HD151TS305RPEL |
HD151TS305RP
Rev.9.00 Jul. 07, 2004 page 8 of 9
4. Recommendation of Power–ON Sequence
We recommend usage as power–on sequence Vdd starting profile.
At the time of power–on starting, there is possibility for SSCCKOUT to fix Hi/Low level. Please refer Fig6–1 and
Fig6–2.
Upper 2.8V
delay
Input Timing of XIN
(XIN should be applied after Vdd
≥
2.8V)
XIN
XOUT
Ref. Clock
VDD
XIN
Power
ON
Fig 6–1 In case of reference clock input
2.8V
(Vdd rising time should be applied over 3.5V/msec)
XIN
XOUT
VDD
XIN
Minimal Rising Time
Power
ON
Over 3.5V/msec
X' tal
Fig 6–2 In case of X’tal reference input
5. Cycle to Cycle Jitter
We have guaranteed that cycle to cycle jitter will be less than |300ps| at XIN=18MHz, Vdd=3.3V. In case of using XIN
will be less than 15MHz, the cycle to cycle jitter may be over |300ps|. Please notice to consider this point.
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| HD151TS306RP | 制造商:未知廠家 制造商全稱:未知廠家 功能描述: |
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| HD151TS307ARPEL | 制造商:RENESAS 制造商全稱:Renesas Technology Corp 功能描述:Spread Spectrum Clock for EMI Solution |
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