Whats the difference between, Vcc, Vdd, Vss, Gnd?

Answer 1

VCC is an electronics designation that refers to voltage from a power supply connected to the "collector" terminal of a bipolar transistor. In an NPN bipolar junction transistor, it would be +VCC, while in a PNP transistor, it would be −VCC.

VSS refers to the "source" voltage (NMOS Logic).

VDD is the "drain" voltage (NMOS Logic).

Gnd, is GROUND

Answer 2

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RE:
Whats the difference between, Vcc, Vdd, Vss, Gnd?

Answer 3

Vcc is usually designated as the positive supply in bipolar circuits
GND is or course, ground.
Vdd is usually the positive supply in FET circuits
Vss is the substrate voltage in FET circuits and can be interchanged with GND

Answer 4

Is this an electronic Question cuz those symbols are for electronic chips......ok any way vcc is your negative supply voltage Vdd is differential Vss is supply volatage and Gnd is Ground.........OK difference between negative voltage and ground is Vcc is there to cater for supply voltage meaning u need a negative and a positive to create electricity and power ok..and ground is there to prevent any sector or circuit in the chip to melt due to unwanted voltage drops.......

Answer 5

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