This document discusses power consumption in CMOS devices. It outlines the main sources of power dissipation including dynamic power, short circuit power, and static/leakage power. Dynamic power is proportional to the capacitive load and supply voltage. Short circuit power depends on the peak short circuit current. Static power includes leakage from reverse biased p-n junctions, subthreshold leakage, gate leakage, gate induced drain leakage, and punchthrough. The document discusses various techniques to reduce each component of power dissipation such as lowering supply voltage, increasing threshold voltage, and power gating.
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http://vlsisystemdesign.com/noise_margin.php
Noise margin is the amount of noise that a CMOS circuit could withstand without compromising the operation of circuit. Noise margin does makes sure that any signal which is logic '1' with finite noise added to it, is still recognised as logic '1' and not logic '0'. It is basically the difference between signal value and the nosie value.
This document discusses power dissipation in CMOS circuits. It identifies the main sources of power dissipation as dynamic, static, and short circuit power. Dynamic power is caused by charging and discharging capacitors during switching and depends on activity factors, voltage, and frequency. Static power includes leakage currents that occur even when the device is inactive. Short circuit power arises when both NMOS and PMOS are on simultaneously during signal transitions. The document provides techniques for reducing each type of power dissipation such as lowering voltage, reducing switching activity, minimizing capacitance and transistor sizing.
Critical path analysis (CPA) is a project planning method that allows a project to be completed in the shortest time possible. CPA requires identifying all project activities, their durations and dependencies. It then calculates the earliest and latest start and finish times to determine the critical path - the longest sequence of activities that determines the shortest project duration. Activities on the critical path cannot be delayed without impacting the planned end date. CPA helps optimize resource allocation and reduce project risks and costs.
The 555 timer IC is a versatile integrated circuit used in timer, pulse generation, and oscillator applications. It contains transistors, resistors, and diodes on a silicon chip. The 555 can be used in monostable, bistable, and astable modes to generate pulses or oscillations. It is commonly used in applications like blinking LEDs, timers, oscillators, and more due to its low cost, ease of use, and stability.
This document provides an introduction to integrated circuits. It discusses the historical development of integrated circuits from transistors to modern chips containing billions of transistors. It explains different types of integrated circuits including SSI, MSI, LSI, VLSI, and ULSI. The document also covers important concepts in digital IC design such as noise margins, propagation delay, power consumption, and design metrics like functionality, cost, reliability, and performance.
This document discusses power consumption in CMOS devices. It outlines the main sources of power dissipation including dynamic power, short circuit power, and static/leakage power. Dynamic power is proportional to the capacitive load and supply voltage. Short circuit power depends on the peak short circuit current. Static power includes leakage from reverse biased p-n junctions, subthreshold leakage, gate leakage, gate induced drain leakage, and punchthrough. The document discusses various techniques to reduce each component of power dissipation such as lowering supply voltage, increasing threshold voltage, and power gating.
https://www.udemy.com/vlsi-academy
http://vlsisystemdesign.com/noise_margin.php
Noise margin is the amount of noise that a CMOS circuit could withstand without compromising the operation of circuit. Noise margin does makes sure that any signal which is logic '1' with finite noise added to it, is still recognised as logic '1' and not logic '0'. It is basically the difference between signal value and the nosie value.
This document discusses power dissipation in CMOS circuits. It identifies the main sources of power dissipation as dynamic, static, and short circuit power. Dynamic power is caused by charging and discharging capacitors during switching and depends on activity factors, voltage, and frequency. Static power includes leakage currents that occur even when the device is inactive. Short circuit power arises when both NMOS and PMOS are on simultaneously during signal transitions. The document provides techniques for reducing each type of power dissipation such as lowering voltage, reducing switching activity, minimizing capacitance and transistor sizing.
Critical path analysis (CPA) is a project planning method that allows a project to be completed in the shortest time possible. CPA requires identifying all project activities, their durations and dependencies. It then calculates the earliest and latest start and finish times to determine the critical path - the longest sequence of activities that determines the shortest project duration. Activities on the critical path cannot be delayed without impacting the planned end date. CPA helps optimize resource allocation and reduce project risks and costs.
The 555 timer IC is a versatile integrated circuit used in timer, pulse generation, and oscillator applications. It contains transistors, resistors, and diodes on a silicon chip. The 555 can be used in monostable, bistable, and astable modes to generate pulses or oscillations. It is commonly used in applications like blinking LEDs, timers, oscillators, and more due to its low cost, ease of use, and stability.
This document provides an introduction to integrated circuits. It discusses the historical development of integrated circuits from transistors to modern chips containing billions of transistors. It explains different types of integrated circuits including SSI, MSI, LSI, VLSI, and ULSI. The document also covers important concepts in digital IC design such as noise margins, propagation delay, power consumption, and design metrics like functionality, cost, reliability, and performance.
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Techniques de présentation orale
GUIDE DU FORMATEUR
OBJECTIFS
Développer votre capacité à :
1. Prendre en compte les facteurs-clés qui font le succès d’une présentation ;
2. Préparer des aides visuelles efficaces ;
3. Élaborer des outils permettant d’évaluer votre présentation.