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Clock and Power in ASIC Designs - Computation Structures Group

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Clock and Power in ASIC Designs - Computation Structures Group

Clock Distribution with Clock Grids Low skew but high power Clock Distribution with ... Reducing switched capacitance Design efficient ... Both static and dynamic voltage scaling is possible Delay rises sharply as supply voltage approaches Vt 8-bit adder/compare 40MHz at 5V, area = 530 ...


Date added: November 11, 2011 - Views: 30

ELEC7770 Advanced VLSI Design Spring 2007

Low-Power Design of Electronic ... Low-Power Logic Styles Pass transistor logic Dynamic logic Domino logic Adiabatic and charge recovery logic Asynchronous logic Logic restructuring ... 1997, Chapter 2. Example: 4-Bit Carry Select Adder CMOS Carry-Select Adder Cell CPL Adder Cell CPL ...


Date added: September 24, 2011 - Views: 29

Seminar on High-Speed Asynchronous Pipelines

... fine-grain pipelining Low-power Formal methods Performance analysis Verification ... (in addition to NMOS) greater chip area higher power consumption slower switching speed ... A “fine-grain” pipeline (e.g. pipelined adder) fetch decode execute Performance Impact: + Throughput ...


Date added: February 4, 2013 - Views: 5

Asynchronous VLSI Design: An Introduction

... completion trees), but… Robust and efficient (no evidence that delay assumptions improve efficiency) ... The delivery of low clock skew over such an area is also difficult and costly. ... no particular effort made towards designing for low power.


Date added: September 9, 2011 - Views: 36

Computer Arithmetic, Part 7 - Electrical and Computer ...

... Residue Checked Adder 27.3 Arithmetic Error-Correcting Codes Properties ... Tolerant Arithmetic Chapter 26 Low-Power Arithmetic Chapter 25 High-Throughput Arithmetic Topics in This ... use 100s watts Power is proportional to die area clock ...


Date added: November 6, 2011 - Views: 64

PowerPoint Presentation

... POLI, ST I - M12 Reports on PV-tolerant asynchronous blocks and on ultra low-power circuits ... same speed and same power than a carry look-ahead adder at 400 mV with about 2X less sensitivity ... of future low cost, reliable, and power-efficient multicore systems THL ...


Date added: January 17, 2014 - Views: 2

Low Power Design of Electronic Circuits

Low Power Design of VLSI Circuits. Motivation. ... Gray-code counter is more power efficient. Power and Energy. ... Power Gate Area vs. Frequency and Leakage Reduction. Power Gated ALU Network Savings. Normal. X 10 -6 (W) Sleep . X 10 -6 (W)


Date added: September 8, 2013 - Views: 10

MODERN presentation template

... margins against power budget. Jun. 22, 2010 * T4.2: Architectures to mitigate PV (CSEM) Block architecture: for a full adder, which is the best ... tolerant low-EMI asynchronous ... transistor array (VCTA). The performance –area -power trade-offs of this approach ...


Date added: January 18, 2014 - Views: 5

Design Productivity Crisis - University of California, San Diego

Globally asynchronous, ... ” Computation is no longer the bottleneck Computation is cheap exploit computation infrastructure to develop efficient communication mechanisms ... Speculatively achieve highest performance given area, power budget Explore reliability tradeoffs with area ...


Date added: May 18, 2012 - Views: 20

Xilinx Template (light) rev - All Programmable Technologies ...

This training will help you build efficient Virtex®-5 FPGA designs that have an efficient size and run at high speed. ... Low-power designs that use the dedicated IP ... This module highlights some of the lesser known trade-offs of coding styles in terms of area, power, ...


Date added: May 6, 2013 - Views: 11

PowerPoint Presentation

... speed and capacity Help with efficient and correct modeling of user problems Develop complete end ... we disregard physical constraints Timing Area Power consumption Which often are the reason ... A full-adder and a mux A flip-flop with asynchronous set/reset A latch Blackbox ...


Date added: January 21, 2014 - Views: 3

Introduction to basic concepts on asynchronous circuit design

... (technology aspects) Low power Automatic clock gating Electromagnetic compatibility No peak currents ... synthesis guarantees implementation (HDL Petri net, Petri-net-based encoding) Synthesis of large controllers by efficient spec ... + is a bundled-data adder (matched ...


Date added: August 21, 2013 - Views: 6

Chapter 8 Data Path Designs - Chula - IC Design & Application ...

... area, or power Adders Multipliers Shifters Logic and System ... a carry recurrence of Manchester Carry Chain 4-bit Sliced MCC Adder Domino MCC Circuit MCC Stick Diagram Notes on MCC Adder When clock is low, the carry nodes ... very simple and efficient layout in VLSI Can be ...


Date added: April 9, 2012 - Views: 34

Introduction to basic concepts on asynchronous circuit design

... Grant FIFO protocol Data transferred if request and grant both high on rising edge of clock Compensates for any skew on asynchronous side Low ... Offering High performance (latency, capacity) Power efficient (linear ... pJ/bit ns GHz V Proc TSMC 130nm LV Results Crossbar area: ...


Date added: August 3, 2013 - Views: 5

No Slide Title

Synthesis Using VHDL RASSP Education & Facilitation Module 60 Version 3.00 Copyright 1995-1999 SCRA All rights reserved. This information is copyrighted by the SCRA, through its Advanced Technology Institute (ATI), and may only be used for non-commercial educational purposes.


Date added: May 16, 2012 - Views: 22

DAC-intro - University of California, San Diego

Low Power Design Essentials ©2008. Chapter 4. ... Another complication is the area, power, ... (LCFF) An option is to use an asynchronous level converter. More sensitive to coupling and supply noise. Lessons: Multiple Supply Voltages.


Date added: June 1, 2012 - Views: 25

Closing the Power Gap between ASIC and Custom

... low power techniques Dynamic supply and substrate biasing Change Vdd based on processor load 10 more energy efficient at low ... save adder ripple carry adder * Power/Unit Area (W/cm2) [Kuroda OYO ... of gates Inserting asynchronous supply voltage level converters Inserting ...


Date added: November 14, 2011 - Views: 36

001. verilog -intro.ppt - TheCAT - Web Services Overview

... wire-ANDed trireg : with capacitive storage tri1 : pull high tri0 ; pull low supply1 ; power ... loops assign a = b + a ; asynchronous design Logical and Conditional ... synthesis CLA adder for speed optimization ripple adder for area optimization Tri-State The value ...


Date added: September 22, 2011 - Views: 120

Synthesis - Computation Structures Group

... (a & b) | c; a b c a b c z z 1 0 b a sel z b a sel z // dataflow assign z = sel ? a : b; full adder y[0] x[0] sum[0] 0 full adder y[1] x[1 ... there is an efficient algorithm (dynamic programming ... timing optimization incorporating load-dependent delays, optimization for low power.


Date added: August 5, 2013 - Views: 5

High-level ATPG for Early Power Analysis - EDA

... signal integrity optimization Modeling Concepts Support for Efficient Library Description Object-oriented Library Representation Context ... AREA, ENERGY Complexity of ... asynchronous RAM Power Analysis Power vector monitoring during simulation Noise Noise is voltage ...


Date added: May 22, 2013 - Views: 10

Preventive Maintenance - Universitas Muhammadiyah Malang

... Test Relaxation for Combinational & Sequential circuits Enabling technology for test Compaction & Compression Test power reduction Developed efficient test compaction ... certain goals in latency Asynchronous design ... Evolutionary Algorithms targeting area, low power and ...


Date added: March 4, 2013 - Views: 29

Xilinx Guidelines for Presentation Template

Low power option -1L reduces power even further. Fewer supply ... This enables high performance and efficient device utilization. The dedicated multiplexers, called the F7 and F8 multiplexers, allow ... (SR) signal can be configured as synchronous or asynchronous. All four flip-flop/latches are ...


Date added: June 30, 2013 - Views: 4

Adventures on the Sea of Interconnection Networks

... BSD Implementation Digit-Pipelined Divider Digit-Pipelined Square-Rooter 25.6 Systolic Arithmetic Units 26 Low-Power ... more efficient VLSI tree and array multipliers Bit-serial and on-line ... use 10s Watts Power is proportional to die area clock ...


Date added: June 5, 2013 - Views: 10

Welcome to the ECE 449 Computer Design Lab

... Block RAM Most efficient memory ... 20 ns Optimization criteria Degrees of freedom and possible trade-offs speed area power testability speed area ... a device Off-the-shelf Low development cost Short time to market Reconfigurability High performance ASICs FPGAs Low power Low ...


Date added: October 3, 2011 - Views: 38

SoC for Wireless Communications - Embedded Systems Research ...

... No logic gates in the library for all logic expressions A logic expression may map into gates that consume a lot of area, time, or power A set ... 0 Array multiplier is an efficient layout of a combinational multiplier Array ... matching Mapping Example Low Power Techniques ...


Date added: August 1, 2013 - Views: 13

Test Technology Overview Module

... Maximum speed Minimum area Minimum pin count Minimum power consumption Minimum design time Maximum reliability ... uses simple algorithm Datapath includes N bit register, N bit adder and 2N + 1 shift register Separate ... small area, low power, etc. Constraints are things that ...


Date added: April 17, 2013 - Views: 2

Verilog tutorial for cell based design - NCU

... input [7:0] a,b ; assign {c,s} = a + b ; endmodule Logic synthesis CLA adder for speed optimization ripple adder for area optimization Tri ... Six implied registers Efficient Description module count ... pull high tri0 ; pull low supply1 ; power supply0 ; ground ...


Date added: September 22, 2011 - Views: 65

Welcome to the ECE 449 Computer Design Lab

The read operation is asynchronous ... ASIC Design with VHDL Dedicated Multiplier Block Block RAM Spartan-3 Dual-Port Block RAM Port A Port B Block RAM Most efficient ... Off-the-shelf Low development cost Short time to market Reconfigurability High performance ASICs FPGAs Low power Low ...


Date added: August 31, 2013 - Views: 8

Preventive Maintenance

General Overview of Synthesis Forces driving the synthesis algorithm HDL coding style Design constraints Timing goals Area goals Power management goals Design-For-Test ... Priority encoder Adder Tri-state buffer Bi ... and had a low true asynchronous reset. Note that the ...


Date added: December 21, 2013 - Views: 4

NOC_ASYNC_2008 tutorial - University of Michigan

Variable latency units Power-delay for an adder Variable-latency cache hits Variable ... & message ordering constraints & flow control rates Find: Optimal floorplans & communication fabrics in (perf, area, ... * Reminder: Performance analysis of Marked graphs Efficient algorithms ...


Date added: May 7, 2012 - Views: 11

PowerPoint-Präsentation - Portland State University

... children therapy and diagnosis Alcoholics and addicts therapy and diagnosis Mountaineers Exercising equipment Any other area of ... Must be efficient ... Automaton synthesis Cellular automaton synthesis Asynchronous design software in Matlab Use of ABC system for low power logic ...


Date added: October 30, 2011 - Views: 174


... wire-ORed wand, triand : wire-ANDed trireg : with capacitive storage tri1 : pull high tri0 ; pull low supply1 ; power supply0 ; ground ... logic loops assign a = b + a ; asynchronous design ... adder for speed optimization ripple adder for area optimization Tri-State ...


Date added: April 24, 2014 - Views: 1

1999 ASIC Conference FP1.3 - VADA

Low Power System Level Design Methodologies Jun-Dong Cho SungKyunKwan Univ. ... globally asynchronous Automatic power- down Optimized libraries ... areapower를 각각 최대 67.68%, 41.35% 감소 시킴. H/W and S/W Co-design 기법 적용 San Kim and Jun-Dong Cho, “Low Power CDMA ...


Date added: June 6, 2013 - Views: 5

High Performance Asynchronous ASIC Back-End Design Flow Using ...

Key to High-Speed Async Design Completion detection demands 2-D pipelining Asynchronous Channels GasP ... buffer is ~3x more efficient than WCHB buffer Demonstration chip Top layout INPUTGEN129BY9 ... Floor plan 129 rows 70% area utilization Plan power M4 and M5 power ...


Date added: August 3, 2013 - Views: 7

Testing in the Fourth Dimension - ECE

... Yield drops as chip area increases; low yield means high cost Fault coverage ... Asynchronous circuits: High complexity Low coverage and unreliable tests ... Delays can be accurately simulated for timing verification Efficient for low-activity circuits Can be extended for ...


Date added: October 5, 2011 - Views: 74

Chapter 2

... a long simulation time RTL Testability Analysis Disadvantages of Gate-Level Testability Analysis Costly in term of area overhead Possible performance degradation ... points Avoid asynchronous set/reset for storage ... loss Low-power issues Increased core reusability Time ...


Date added: February 9, 2014 - Views: 3

PowerPoint Presentation

... phase Transactions take fixed or variable number of clocks Faster but clock limits length E.g. processor-memory Asynchronous ... Core Quad Core Core area A ~A/2 ~A/4 Core power W ~W/2 ~W/4 Chip power W + O W + O’ W + O ... between 0.5 and 0.500000000001 * FP Adder * FP ...


Date added: August 6, 2013 - Views: 3

DAC 1997 TUTORIAL System Design Using IC Cores: Design, Test ...

... area, cycle time, latency, throughput ... MMU, Write Buffer and JTAG ARM7TDMI :ARM7 with Thumb ISA, ICE, Debug & MPY ARM8 : cached, low power, 5-stage pipe (vs 3 in others) StrongARM1, StrongARM2: available as ... Accumulator 34% Adder 30% Mpy 30% Shifter 28% Family.


Date added: November 26, 2011 - Views: 46

Designing with RTAX-S - klabs.org

... Single Chip Low Power Consumption RTAX-S Family Overview Advanced ... Builder Create Macro Functions from User’s Parameters Blocks Optimized for RTAX-S Architecture High Speed Small Area Outputs: VHDL or Verilog ... asynchronous preset, and active-low enable (using the S0 line ...


Date added: November 1, 2011 - Views: 22

Slide 1

... super low power Ultra simple yet capable of highest speeds Transmit-only applications ... on the operational mode and market DFE is currently used in the XSI 100 Mbps TRINITY chip set1 DFE with M-BOK is efficient and proven ... Gate equiv Area (mm2) Power mW Rx Data @ 120Mbps ...


Date added: August 28, 2011 - Views: 31

Cypress Semiconductor VHDL Training - Computer Science and ...

... (area/speed) This is known as ... A 4-bit counter with asynchronous reset A Registered Process (3) ... ATTRIBUTE low_power OF module_name: MODULE IS “b g e”; The slew_rate attribute The slew_rate directive can be used to control the output slew rate of individual pins.


Date added: September 25, 2011 - Views: 68

Software-Hardware co-design for Real Time Systems

... (TF) model Bus Cycle Accurate (BCA) model Register Transfer Level (RTL) model RTL adder ... of interconnections! (adaptive rather then reconfigurable) Discussion on which is better: Coarse Grained: more efficient in area ... higher performance less silicon area better power ...


Date added: September 9, 2013 - Views: 48

No Slide Title

http://www.eng.fsu.edu/~mpf EEL 4930 (§6) & 5930 (§5), Spring 2006 Physical Limits of Computing Slides for a course taught by Dr. Michael P. Frank


Date added: December 12, 2011 - Views: 60

Vivado Design Suite - Xilinx

... design performance, and device power consumption. ... Using Resources in best & most efficient manner. ... but we are also recommending that designers define each of their clocks as asynchronous during this iteration.


Date added: May 24, 2013 - Views: 8

Welcome to the Quartus II Software! - School of Technology ...

... (NAS), Storage Area Network (SAN), servers, storage appliances, and more. ... Low cost. Low power consumption. A Complete Solutions Portfolio. High-density,high-performance FPGAs. CPLDs. ... This is how to implement all asynchronous. and synchronous .


Date added: December 26, 2013 - Views: 14

r9 - IEEE-SA - Working Group

Project: IEEE P802.15 Working Group for Wireless Personal Area Networks (WPANs)


Date added: January 20, 2013 - Views: 7

Poster1 - klabs.org

... includes an asynchronous UART in addition to the DSP internal synchronous ... high power output to weight ratio, low inertia and optimal performances at ... • 144 Pads - 67 inputs - 47 outputs - 30 power supply pads • PAD limited • Area : 19.901 mm2 • Clock frequency ...


Date added: May 3, 2013 - Views: 12

FPLDS Introduction - Florida State University

... LEs Embedded memory stored in EABs Asynchronous and Synchronous modes Flex ... but it may be more efficient to “pre-load” a ROM with the ... Due to “positive” feedback, data is retained in the memory cell until power is removed Use a SRAM cell to store VGATE. Lose ...


Date added: December 8, 2011 - Views: 19

Lecture 1: Course Introduction and Overview - ECSL Welcome Page

Textbook: Computer Architecture: A quantitative Approach (3rd edition) http://www.cs.sunysb.edu/~cse502 Introduction (Chap 1) Instruction-level parallelism (Chap 3 & 4)


Date added: May 20, 2012 - Views: 25

Testing in the Fourth Dimension - Samuel Ginn College of ...

... No redundant adder hardware, 64 bit slices Each with 27 faults (using fault equivalence) At ... Avoid asynchronous (unclocked) feedback. Make flip ... Computed DL Summary: Introduction VLSI Yield drops as chip area increases; low yield means high cost Fault coverage measures the ...


Date added: December 15, 2013 - Views: 4