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參數(shù)資料
型號: DSP56311VL150R2
廠商: Freescale Semiconductor
文件頁數(shù): 74/96頁
文件大?。?/td> 0K
描述: IC DSP 24BIT 150MHZ 196-MAPBGA
標準包裝: 1
系列: DSP56K/Symphony
類型: 定點
接口: 主機接口,SSI,SCI
時鐘速率: 150MHz
非易失內(nèi)存: ROM(576 B)
芯片上RAM: 384kB
電壓 - 輸入/輸出: 3.30V
電壓 - 核心: 1.80V
工作溫度: -40°C ~ 100°C
安裝類型: 表面貼裝
封裝/外殼: 196-LBGA
供應(yīng)商設(shè)備封裝: 196-MAPBGA(15x15)
包裝: 剪切帶 (CT)
其它名稱: DSP56311VL150R2CT
DSP56311 Technical Data, Rev. 8
4-6
Freescale Semiconductor
Design Considerations
4.4.3
Frequency Jitter Performance
The frequency jitter of the PLL is defined as the variation of the frequency of CLKOUT. For small MF (MF < 10)
this jitter is smaller than 0.5 percent. For mid-range MF (10 < MF < 500) this jitter is between 0.5 percent and
approximately 2 percent. For large MF (MF > 500), the frequency jitter is 2–3 percent.
4.5 Input (EXTAL) Jitter Requirements
The allowed jitter on the frequency of EXTAL is 0.5 percent. If the rate of change of the frequency of EXTAL is slow
(that is, it does not jump between the minimum and maximum values in one cycle) or the frequency of the jitter is
fast (that is, it does not stay at an extreme value for a long time), then the allowed jitter can be 2 percent. The phase
and frequency jitter performance results are valid only if the input jitter is less than the prescribed values.
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