| 摘要 |
In some embodiments, an apparatus and system includes a substrate including outer surfaces, one of the outer surfaces defining a first plurality of electrical contacts, one of the outer surfaces adapted to be mounted to a circuit board and defining a second plurality of electrical contacts adapted to be electrically connected to the circuit board; an integrated circuit die mounted to one of the outer surfaces, and a crystal oscillator mounted to one of the outer surfaces and electrically connected to the integrated circuit die. In some embodiments, a method includes providing a substrate including outer surfaces, one of the outer surfaces defining a first plurality of electrical contacts, one of the outer surfaces adapted to be mounted to a circuit board and defining a second plurality of electrical contacts adapted to be electrically connected to the circuit board; mounting an integrated circuit die to one of the outer surfaces, mounting a crystal oscillator to one of the outer surfaces; and electrically connecting the crystal oscillator to the integrated circuit die.
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