low power digital vlsi design pdf

... INTRODUCTION……………………………………………………………………XIII ULTRA -LOW- POWER DESIGN: DEVICE AND LOGIC DESIGN APPROACHES……………………………………….………………………………….1 ON-CHIP OPTICAL INTERCONNECT FOR LOW- POWER …………………21 NANOTECHNOLOGIES FOR LOW POWER …………….…………………….40 ... outlook to proposals on other levels in the design flow and to future work Keywords: Low- power design, dynamic power reduction, leakage power reduction, ultralow-Vth devices, multi-Vdd, multi-Vth, ... Pacific Design Automation Conference 2003, pp 400-403 [20] K Usami, M Horowitz, Clustered Voltage Scaling Technique for Low- Power Design, Proceedings of the International Symposium on Low Power Design...

Ngày tải lên: 01/06/2014, 11:43

... in the areas of system-on-chip design, low- power systems, VLSI architectures for real-time image and signal processing, and applications of VLSI technology to digital and RF communication systems ... Currently, he is a Researcher at Pisa University, working on algorithms and VLSI architecture design for multimedia and lowpower CMOS design methodologies Luca Fanucci was born in Montecatini Terme, Italy, ... identifying, realizing, and testing a design methodology based on systolic arrays For the past years he has been involved in the design of high-performance low- power digital systems Professor Terreni...

Ngày tải lên: 23/06/2014, 01:20

... 0 0 1 0 0 1 0 (AB) (A=B) 4.2 Low Power Design 4.2.1 Low Power Design at Circuit Level 4.2.1.1 Purpose This level will implement designs (Design_ 1 and Design_ 2) of the 1-bit magnitude comparator ... Table 28 4.2 Low Power Design 29 4.2.1 Low Power Design at Circuit Level 29 4.2.1.1 Purpose 29 4.2.1.2 Design Basic 29 4.2.1.3 Design Implementation ... Remark: Dynamic Power Dissipation is linearly proportional to Frequency Nguyễn Thị Đê 28 CHAPTER IV LOW POWER DESIGN OF A SIMPLE LOGIC CIRCUIT In this chapter the techniques of low power design is...

Ngày tải lên: 26/08/2015, 16:25

... Leff: short – Vt: low – tox: thin  Slow (S): opposite nMOS  Not all parameters are independent for nMOS and pMOS FF pMOS SF TT slow slow 4: Nonideal Transistor Theory CMOS VLSI Design 4th Ed FS ... saturated – Approximate with α -power law model – Ids ∝ VDDα – < α < determined empirically (≈ 1.3 for 65 nm) 4: Nonideal Transistor Theory CMOS VLSI Design 4th Ed 10 α -Power Model I ds   V  I ... Transistor Theory 2qε si N A Cox CMOS VLSI Design 4th Ed 15 Body Effect Cont  For small source-to-body voltage, treat as linear 4: Nonideal Transistor Theory CMOS VLSI Design 4th Ed 16 DIBL  Electric...

Ngày tải lên: 19/03/2014, 10:20

... Power and Energy  Dynamic Power  Static Power 7: Power CMOS VLSI Design 4th Ed Power and Energy  Power is drawn from a voltage source attached to the VDD pin(s) of a chip  Instantaneous Power: ... through ANDs and ORs has lower activity factor – Depends on design, but typically α ≈ 0.1 7: Power CMOS VLSI Design 4th Ed 14 Switching Probability 7: Power CMOS VLSI Design 4th Ed 15 Example ...  7: Power CMOS VLSI Design 4th Ed 12 Dynamic Power Reduction Pswitching = α CVDD f   Try to minimize: – Activity factor – Capacitance – Supply voltage – Frequency 7: Power CMOS VLSI Design...

Ngày tải lên: 19/03/2014, 10:20

... Power- Flow Problem 325 6.5 Power- Flow Solution by Gauss–Seidel 331 6.6 Power- Flow Solution by Newton–Raphson 334 6.7 Control of Power Flow 343 6.8 Sparsity Techniques 349 6.9 Fast Decoupled Power ... Power Flow 352 6.10 The ‘‘DC’’ Power Flow 353 6.11 Power- Flow Modeling of Wind Generation 354 Design Projects 1–5 366 CHAPTER Symmetrical Faults 379 Case Study: The Problem of Arcing Faults in Low- Voltage ... to voltages, power engineers are also concerned with how power flows through the system (the solution of the power flow problem is covered in Chapter 6, Power Flows) In PowerWorld, power flows can...

Ngày tải lên: 30/03/2014, 07:20

... 90% lower than the design in [6], 81% lower than the design in [13], 82% lower than the design in [14], and 3% lower than the design in [15] Proposed multi-output dynamic full adder is 7% slower ... the design in [15] is the fastest full adder and the design in [13] is the slowest full adder Proposed low power dynamic carbon nanotube full adder is 46% slower than the design in [15], 12% slower ... the design in [6], 26% faster than the design in [13], 36% slower than the design in [14], and 43% slower than the design in [15] This proposed full adder consumes 91% less power than the design...

Ngày tải lên: 21/06/2014, 00:20

... B1, B2, B3, B4 in Figure 7), allowing the connection of the output power stage to the PWM output of a low- power digital circuit, such as an FPGA For the target power levels of this work the supply ... acquisition/playing system in a single embedded device 2.2 Platform-Based Design Flow To allow a fast but still accurate design space exploration we followed a meet-inthe-middle approach between bottom-up and ... different analog and digital techniques The resulting architecture aims at achieving optimal performance in terms of low- distortion and high power efficiency while still allowing a low- cost implementation:...

Ngày tải lên: 21/06/2014, 20:20

... technique in low- power implementations: it reduces the delay per task while keeping the energy per task constant The partitioning exploration step of the design flow uses a CycloStatic DataFlow (CSDF, ... [9] The techniques for power aware system design [10] are grouped according to their impact on the energy delay product in [4] Our proposed design flow assigns them to a design step and identifies ... a design flow helps to focus on the problems related to each design step and to evolve gradually towards a final, energy efficient implementation Additionally, such design approach shortens the design...

Ngày tải lên: 22/06/2014, 19:20

... NTU as a Research Engineer His research interests include digital IC design, VLSI architectures for digital signal processing, low- power design, and embedded signal processing Woon-Seng Gan received ... Chandrakasan, S Sheng, and R W Brodersen, “Lowpower CMOS digital design, ” IEEE Journal of Solid-State Circuits, vol 27, no 4, pp 473–484, 1992 [18] B M Bass, “A low- power, high-performance, 1024-points ... Recently, low- power VLSI speech systems, such as speech recognizers and speech codecs, have many promising applications in large volume battery powered portable products, such as personal digital...

Ngày tải lên: 22/06/2014, 19:20

... 0.74 6.7 45 nm 1.55 2.44 21 25 0.6 5.3 0.62 5.8 DD: digital dynamic power, DL: digital leakage power D: total digital power, A: total analog power EPP: energy per pulse, EPB: energy per bit 4.2 ... contributions, a designer could decide on design techniques to tackle static and dynamic power consumption on top of CMOS scaling for enabling future low- power UWB radios A roadmap analysis of the power ... high-performance logic (HP), low- operating power (LOP), and low- standby power (LSP) in order to cover a wide range of applications that have different requirements for speed and/or power efficiency The drain...

Ngày tải lên: 22/06/2014, 22:20

... for Low Power Slide 19 Low Power Design  Reduce dynamic power – α: clock gating, sleep mode – C: – VDD: – f:  Reduce static power CMOS VLSI Design Design for Low Power Slide 20 Low Power Design ... low leakage devices, Pstatic = 749 mW (!) CMOS VLSI Design Design for Low Power Slide 18 Low Power Design  Reduce dynamic power – α: – C: – VDD: – f:  Reduce static power CMOS VLSI Design Design ... Outline     Power and Energy Dynamic Power Static Power Low Power Design CMOS VLSI Design Design for LowSlide Power Power and Energy  Power is drawn from a voltage source...

Ngày tải lên: 01/07/2014, 11:20

Ngày tải lên: 05/07/2014, 08:20

... Power Management of Digital Set-Top Boxes 185 Set-Top Box Architecture 185 Power Management 186 High Power Set-Top Boxes 186 Low Power Set-Top Boxes 190 Conclusion 192 7.5 Power Conversion for ... 4.5 Digital Power 100 Control Algorithm of Modern Switching Regulators: Analog or Digital? 100 Fast Switchmode Regulators and Digital Control 103 Offline (AC-DC) Architectures 5.1 Offline Power ... Cycle Time Power Management Unit I40 Low Dropouts (LDOs) 141 139 6.4 More on Power Management Units in Cell Phones Barriers to Up-Integration 143 PMU Building Blocks 143 CPU Regulator 144 Low Dropout...

Ngày tải lên: 14/08/2014, 12:20

... May 1973 15] Eric R Fossum, Low Power Camera-on-a-Chip Using CMOS Active Pixel Sensor Technology, IEEE Symposium on Low Power Electronics, pp 74-77, 1995 Chapter Design Techniques for CMOS Image ... GlobalSHR Photo charge Integration Sequential readout GlobalSHS Vsig Vrst Power Down Power Down(external) Power Down(internal) Low Low Figure 4.2: Sequential readout timing diagram CHAPTER PROPOSED ... 4.3 Power Consumption Control Prototype Design and Experimental Results 5.1 Circuit Design 5.2 Layout Design 5.3 Experimental Results...

Ngày tải lên: 28/08/2014, 02:29

... should be battery-powered to work for days or even months for a single charge This requires the sensor nodes to be in small size and consume low power Different sensor node designs have been ... terms of network lifetime Moreover, the MAC layer should be of low complexity for easy implementation, and consumes low power The design of the physical and application layers are not the concerns ... as a baseline design such that future systems can be built upon it Besides the effort in hardware design, the MAC protocol also plays an important v role An efficient MAC protocol design can ensure...

Ngày tải lên: 09/09/2015, 08:16

... consumes more power than inductive telemetry, high power consumption implies higher system cost, weight, and form factor, mainly due to the need of larger power capacity Example on low- power devices ... 4.19 Die photo 77 Fig 4.20 TX power breakdown 77 XV List of Tables Table 3.1 Digital bits for filter design 44 Table 3.2 TX Power Breakdown 51 Table 3.3 Performance ... suppressed Lastly, the TX will be designed to support multiple channels 1.3 Research Contribution The main contributions of my research works lie in the design of low- power high-data-rate TX dedicated...

Ngày tải lên: 09/09/2015, 11:19

... transformation Comprehensive design equations are derived to aid the PA design, characterization and optimization The proposed design facilitates fully on-chip solution for low- power Class-E PA Measurement ... is equivalent to GMSK This allows for simple circuit architecture to save power [14, 31, 32] IEEE 802.15.4 standard is particularly popular for low data-rate and low- power applications, and its ... the data-rates are below Mbps 2.2 Custom Designed Transceivers using proprietary Standards Various custom designed transceivers with proprietary standards targeting for low- power application are...

Ngày tải lên: 09/09/2015, 18:49

... circuits design This chapter discusses low- voltage low- power issues related to switched-capacitor (SC) circuits and introduces low- voltage and low- power circuits design techniques 3.1 Low- Voltage Low- Power ... chapter discusses design considerations for low- voltage low- power circuits The discussion starts from low- voltage circuit design issues Then it is followed by low- voltage circuit design techniques ... of (a) DT and (b) CT ΔΣ modulator 22 Chapter Design Consideration for Low- Voltage Low- Power Circuits CHAPTER DESIGN CONSIDERATION FOR LOW- VOLTAGE LOW- POWER CIRCUITS Continuing down scaling of device...

Ngày tải lên: 09/09/2015, 18:49

... using a low voltage low power SAR DLL Finally, the digital backend decodes the received signal using Barker Code decoder Figure 3.1 The proposed IR UWB transceiver architecture 33 3.3.2 All -Digital ... Semiconductor DAC Digital to Analog Converters DCO Digital Controlled Oscillator DLL Delay Locked Loop DSP Digital Signal Processing EEG Electroencephalogram EIRP Effective Isotropically Radiated Power FCC ... Frequency (RF) integrated circuit design In addition to high throughput Wireless Local Area Networks (WLAN), attention is now also being focused on lower power and lower data rate, indoor communications...

Ngày tải lên: 10/09/2015, 09:21