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[Author] Mohamed I. ELMASRY(1hit)

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  • A Contention-Free DOMINO Logic for Scaled-Down CMOS

    Muhammad E.S. ELRABAA  Mohab H. ANIS  Mohamed I. ELMASRY  

     
    PAPER-Electronic Circuits

      Vol:
    E85-C No:5
      Page(s):
    1177-1181

    A new contention-free Domino logic (CF-Domino) that is especially suited for low threshold voltage (LVT) is reported. Its superior noise margin and speed over conventional Domino circuits for LVTs are demonstrated using HSPICE(R) simulations and a 0.25 µm CMOS technology with a supply voltage of 2.5 V. The impacts of the new technique on dynamic and leakage powers and area were evaluated. At a 3% area increase, and keeping the noise margins constant, the new CF-DOMINO achieves 20% less delay than conventional DOMINO as the threshold voltage scales from 450 mV down to 200 mV. It also achieved 13% less dynamic power and 5% less leakage at that threshold voltage.