CAD for VLSI Design - II
Lecture 18
V. Kamakoti and Shankar Balachandran
Overview
Logical Effort
Optimizing performance
Derivation
Consider adding inverters to end of path
How many give least delay?
n1
D = NF + pi + ( N n1 ) pinv
1
N
Logic Block:
n1St
CAD for VLSI Design - II
Lecture - 19
V. Kamakoti and Shankar Balachandran
Overview
Logical Effort and Gain Based Synthesis
Addressing timing and power issues at
synthesis stage
Traditional ASIC Design Flow
Constraints The majority of designs are synthe
CAD for VLSI Design - II
Lecture - 20
V. Kamakoti and Shankar Balachandran
Overview
Logical Effort and Gain Based Synthesis
Addressing timing and power issues at
synthesis stage
The Logical Effort (LE)
LE: How much worse a given gate is at
producing ou
CAD for VLSI 2
Pro ject - Superscalar Processor Implementation
1
Superscalar Processor
Ob jective: The main objective is to implement a superscalar pipelined processor using
Verilog HDL. This project may be divided into three parts:
The Arithmetic Logic
The Geometric Definition of the B-Spline Curve
ECS 178 -Geometric Modeling Lectures
By
Ken Joy
1
THE B-SPLINE CURVE
If we have
an order
control points
, and a set of knots
, then
where
and
with
2
A B-SPLINE CURVE
3
PYRAMIDS
4
SUMMARY
5
A B-SPLINE CURVE
6
Chapter 9
Input/Output Devices
Contents:
I. Introduction
II. Input Devices
a. Keyboard,mouse,joystick,scanners,digital camera, bar code
reader, touch Sreeen,Speech input device (microphone)
III. Output Devices
a. Monitor , Speaker, Printers ( different ty
Curves
B-Splines
Bezier Curve
There is no local control (change of one control
point affects the whole curve)
Degree of curve is fixed by the number of
control points
Curves
B-Splines
Each control point is associated with a unique
basis function
Each poin
AML710 CAD
LECTURE 15
SPACE CURVES
B spline curves and their
construction
Description of B-Spline
P(t ) =
n +1
i =1
Bi N i ,k (t )
t min t t max
2 k n +1
k=degree
Can be 2 to the number of
control points
If k set to 1, then only a
plot of the control p
Form 3
Computer Studies
INPUT AND OUTPUT DEVICES
1.
An Overview of Input and Output Devices
Input, Output and Secondary Storage Devices are collectively known as peripherals
The processor or Central Processing Unit (CPU) makes all the calculations of the
CAD/CAM Principles and
Applications by P N Rao,
3rd Edition
Ch 22 Flexible Manufacturing
Systems
Fig. 22.1 Typical component blocks of a
flexible manufacturing system
FMS
Control
Work
stations
2/2/17
Workpiece
handling
Tool
supply
(c) TMH, New Delhi, CAD/
HU Extension
Assignment 07
Handed out: 03/30/2013
E185 Big Data Analytics
Due by 5:30PM on Saturday, 04/05/2013
The National Bureau of Economic Research (www.nber.org) offers an interesting set of
econometric and sociological datasets. From the page http:
Introduction to
DIGITAL CIRCUITS MODELING & VERIFICATION using VERILOG
[Part-2]
FSM MODELING
MOORE FSM
MELAY FSM
MOORE FSM:
Output is a function of present state only that
are synchronized with the clock.
MELAY FSM:
Output is a function of present stat
CAD for VLSI Design - II
Lecture 16
V. Kamakoti and Shankar Balachandran
Outline
Introduction to Logical Effort
Delay in a Logic Gate
Multistage Logic Networks
Choosing the Best Number of Stages
Example
Summary
Introduction
Chip designers face a be
CAD for VLSI Design - II
Lecture 15
V. Kamakoti and Shankar Balachandran
Overview of this Lecture
Synthesis (Contd)
Flipflop and Latch optimizations
Flip-flop/Latch Optimizations
Flip-flop rules may vary from synthesis
tool to synthesis tool.
Care mus
CAD for VLSI Design - II
Lecture 1
V. Kamakoti and Shankar Balachandran
About the course
Advanced Digital Fundamentals
Transistor Theory
Arithmetic Circuits Design
Pipelining fundamentals
Case study of a pipelined superscalar
processor
ASIC Design f
CAD for VLSI Design - II
Lecture 2
V. Kamakoti and Shankar Balachandran
Overview of this Lecture
Modeling Delay and power
Introduction to MOSFET
Introduction to Layout Techniques
Transistor level simulation
Power and Energy Dissipation
Power consumption d
CAD for VLSI Design - II
Lecture 3
V. Kamakoti and Shankar Balachandran
Overview of this Lecture
CMOS Transistor Fundamentals
Working of the Transistor
Design issues
How transistor models are made and used in
simulation
The MOSFET
N areas have been
d
CAD for VLSI Design - II
Lecture 4
V. Kamakoti and Shankar Balachandran
Overview of this Lecture
Transistor Theory (Contd).
Current Determinates
For a fixed VDS and VGS ( VTn), IDS is a function of
the distance between the source and drain - L
the chann
CAD for VLSI Design - II
Lecture 6
V. Kamakoti and Shankar Balachandran
Overview of this Lecture
CMOS Transistor Theory
Delay Issues (Contd)
Types and effects of Capacitances on delay
Parasitic Capacitance
Switching speeds of MOS systems strongly depe
CAD for VLSI Design - II
Lecture 7
V. Kamakoti and Shankar Balachandran
Overview of this Lecture
CMOS Transistor Theory
Delay Models (Contd)
Time Constant of an RC Wire
r and c are unit resistance and capacitance resistance and
capacitance of a segment
CAD for VLSI Design - II
Lecture 8
V. Kamakoti and Shankar Balachandran
Overview of this Lecture
Delay elements in CMOS circuits
Combinational Circuit Timing Parameters
Rise Time (tr), the time required for a
signal to transition from 10% of its
maximum