Why Vdd and Vss instead of Vcc and GND ?

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  • February 26, 2013 at 6:58 pm #7370
    Muhammad Anowar Kabir
    Participant

    Why do we use Vdd and Vss in some ICs instead of Vcc and GND?:o

    February 26, 2013 at 7:04 pm #7386
    Ligo George
    Keymaster

    Most of the ICs are manufactured using MOSFETs instead of BJTs. From the following definitions you can understand the difference..

    For BJT
    >Vcc – Collector Voltage

    For MOSFET or FET
    >Vdd – Drain Voltage
    >Vss – Source Voltage

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