Package is to wire the circuit pins on the silicon to the external pins to connect with other components. The package form refers to a form of a case for mounting a semiconductor integrated circuit chip. The common package form of integrated circuits is shown in the following figure:
There are many pins in the integrated circuit, ranging from a few to a few hundred. The function of each pin is different. If it is used improperly, the integrated circuit will not work or even burn out. Therefore, it must be placed in the seat when it is used.
The 45W MagSafe Power Adapter has a magnetic DC connector, so if someone trips on it, the power cord disconnects harmlessly, keeping your MacBook Air safe. It also helps prevent the cable from fraying or weakening over time. Additionally, the magnetic DC helps guide the plug into the system for a quick and safe connection.
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