參數(shù)資料
型號: MPC92474AC
廠商: INTEGRATED DEVICE TECHNOLOGY INC
元件分類: 時鐘產(chǎn)生/分配
英文描述: 700 MHz, OTHER CLOCK GENERATOR, PQFP48
封裝: LEAD FREE, LQFP-48
文件頁數(shù): 2/12頁
文件大?。?/td> 814K
代理商: MPC92474AC
Advanced Clock Drivers Devices
10
Freescale Semiconductor
MPC92474
PREL
IM
IN
AR
Y
Using the On-Board Crystal Oscillators
The MPC92474 features two fully integrated Pierce
oscillators to minimize system implementation costs. Other
than the addition of a crystal no external components are
required.The crystal selection should be 10 to 20 MHz,
parallel resonant crystal type with a load specification of
CL =10pF.
The crystal should be located as close to the MPC92474
XTAL_IN and XTAL_OUT pins as possible to avoid any board
level parasitic.
Table 10 specifies the performance requirements of the
crystals to be used with the MPC92474.
Table 10. Recommended Crystal Specifications
Parameter
Value
Crystal Cut
Fundamental AT Cut
Resonance
Parrallel Resonance
Shunt Capacitance (CO)
5–7 pF
Load Capacitance (CL)
10 pF
Equivalent Series Resistance (ESR)
20 to 60
MPC92474
LVPECL Clock Synthesizer w/Spread Spectrum
NETCOM
IDT LVPECL Clock Synthesizer w/Spread Spectrum
Freescale Timing Solutions Organization has been acquired by Integrated Device Technology, Inc
MPC92474
10
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