參數資料
型號: MPC926508SDR2
廠商: FREESCALE SEMICONDUCTOR INC
元件分類: 時鐘產生/分配
英文描述: 133.33 MHz, OTHER CLOCK GENERATOR, PDSO20
封裝: SSOP-20
文件頁數: 4/8頁
文件大?。?/td> 129K
代理商: MPC926508SDR2
MPC926508
4
Networking Clock Source
MOTOROLA
APPLICATIONS INFORMATION
External Components
The MPC926508 requires a minimum number of external
components for proper operation. Decoupling capacitors of
0.01
F should be connected between each VDD and GND
(pins 4 and 6, pins 16 and 14), as close to the MPC926508 as
possible. A series termination resistor of 33
may be used for
each clock output. The crystal must be connected as close to
the chip as possible. The crystal should be a fundamental mode
(do not use third overtone), parallel resonant. Crystal capacitors
should be connected from pins X1 to ground and X2 to ground
to optimize the initial accuracy. The value of these capacitors is
given by the following equation, where CL is the crystal load ca-
pacitance: Crystal caps (pF) = (CL-6) x 2. So for a crystal with
16 pF load capacitance, two 20 pF caps should be used.
相關PDF資料
PDF描述
MPC926508SDR2 133.33 MHz, OTHER CLOCK GENERATOR, PDSO20
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