Gated DR Circuits
20/4/2014
CE-653 - Indicating Logic
68
}GDR motivation
}High degree of power overhead of monotonic DR circuit (~x9)
}Gated Logic
}Logic subcircuit prevented from switching
}Gating Logic
}Logic controlling (enabling/disabling) when the Gated Logic
is prevented from switching
}Blocking Elements
}Gates which block signal transitions propagation
}
Blocking Elements
Gated Logic
Gating Logic
Original Circuit
Unmodified Logic
PIs