lec10_clock_dist_basics

lec10_clock_dist_basics - Clock Distribution Basics Ref:...

Info iconThis preview shows pages 1–5. Sign up to view the full content.

View Full Document Right Arrow Icon
Clock Distribution I Clock Distribution Basics Ref: Digital Signal Integrity, Brian Young, Prentice Hall, ISBN 0-13-028904-3 Bakoglu Class Notes
Background image of page 1

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
Clock Distribution I Clock Signal Components: ex: Synchronous Systems Clock Signal Components: ex: Synchronous Systems In a synchronous digital system, the most influencing signal is the clock Used for timing and to latch data Generally at the Rising Edge The clock speed determines the processing speed of the microprocessor Ideal World    All devices are synchronized at the rising edge CPUs clock
Background image of page 2
Clock Distribution I Clock Speed Vs Bandwidth Clock Speed Vs Bandwidth For transactions between the I/O and memory Data Rate = Clock Frequency x Bus Width = 300 x 10 6 x 128 = 3.84 Gb/s (SDR: Single Data Rate) Date Rate = 7.68 Gb/s (DDR: Double Data Rate)
Background image of page 3

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
Clock Distribution I Clock Inaccuracy Clock Inaccuracy Manufacturing Variations (Line width, Line thickness, and dielectric thickness) Routing congestion Noise generated by switching circuits - IR Drop - Inductive Noise - Cross talk Temperature profile across chip Caused by :
Background image of page 4
Image of page 5
This is the end of the preview. Sign up to access the rest of the document.

This note was uploaded on 04/28/2008 for the course ECE 4460 taught by Professor Swaminathan during the Spring '08 term at Georgia Tech.

Page1 / 15

lec10_clock_dist_basics - Clock Distribution Basics Ref:...

This preview shows document pages 1 - 5. Sign up to view the full document.

View Full Document Right Arrow Icon
Ask a homework question - tutors are online