Which signal is transferred through the VSS pin ?

Asked By bestsunil 0 points N/A Posted on - 09/26/2011

The many pins on a CPU carry a lot of different electrical signals. For reference purposes, each of these pins has a short designation like GND, RST or A20. Which signal is transferred through the VSS pin? Please explain this.

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Answered By Ben Henry 10 points N/A #81941

Which signal is transferred through the VSS pin ?

A CPU has a lot of power and ground pins.

There are almost 85 Power (VCC) pins and 179 Ground (VSS) Pins. All VSS pins must be connected to a system ground plane. These pins are not used for any signal transfer but they are used just as a ground. In electronics VSS is termed as Ground and VDD is termed as Power supply where S and D come from Source and Drain of a transistor.

For more details I have attached an image of CPU pins. All different type of CPU pins is labeled in the figure. Hope you will find this information helpful.

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• Posted on - 09/28/2011
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Answered By Clair Charles 15 points N/A #81942

Which signal is transferred through the VSS pin ?

You should be aware that the VSS pins usually do not carry a signal as such, but what they do is provide the zero voltage to which all other voltages in the processor will then be compared. It was formerly known as the GND, meaning Ground. There are still many other connections in the computer which use that designation for the zero voltage, but when it comes to the processors, they use the standard terminology for integrated circuits built with field effect transistors, and for that the VSS is the zero voltage while the VDD is the supply voltage which happens to be positive.

The two letters, S and D, are the short forms for Source and Drain, and these are two of the three contacts on a field effect transistor.

-Clair Charles

 

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• Posted on - 12/19/2011
• Question Category: CPU Processors