參數(shù)資料
型號: MC88915TFN160R2
廠商: MOTOROLA INC
元件分類: 時鐘及定時
英文描述: 88915 SERIES, PLL BASED CLOCK DRIVER, 7 TRUE OUTPUT(S), 1 INVERTED OUTPUT(S), PQCC28
封裝: PLASTIC, LCC-28
文件頁數(shù): 8/19頁
文件大?。?/td> 181K
代理商: MC88915TFN160R2
MC88915T
MOTOROLA ADVANCED CLOCK DRIVERS DEVICE DATA
27
Q/2 OUTPUT
tCYCLE SYNC INPUT
The MC88915T aligns rising edges of the FEEDBACK input and SYNC input, therefore the SYNC input does
not require a 50% duty cycle.
All skew specs are measured between the VCC/2 crossing point of the appropriate output edges.All skews
are specified as ‘windows’, not as a
± deviation around a center point.
If a “Q” output is connected to the FEEDBACK input (this situation is not shown), the “Q” output frequency
would match the SYNC input frequency, the 2X_Q output would run at twice the SYNC frequency, and the
Q/2 output would run at half the SYNC frequency.
Timing Notes:
(These waveforms represent the hook–up configuration of Figure 5a on page 28)
FEEDBACK
INPUT
SYNC INPUT
(SYNC[1] or
SYNC[0])
Figure 4. Output/Input Switching Waveforms and Timing Diagrams
tCYCLE Q" OUTPUTS
2X_Q OUTPUT
Q5 OUTPUT
tSKEWf
tSKEWR
tSKEWr
tSKEWALL
Q0 - Q4
OUTPUTS
PD
t
2
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相關代理商/技術參數(shù)
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