ECAD 2002-03
Principal lecturer: Dr George Taylor (gst22@cl.cam.ac.uk)
Taken by: Part IB
Syllabus
Past exam questions
Handouts
The lecture notes and laboratory workshop instructions are handed out at the first lecture.
Further copies are available from Lise Gough (lmg30@cl.cam.ac.uk).
Workshops
There are 3 ECAD workshops associated with this course and a further 3
architecture workshops associated with Computer
Design. See ECAD and Architecture Practical Classes for workshop material including an online tick list.
Errata
Slide 3-17: inv_ra should read ~ra.
Slide 5-9: The last question should be "should the state of the bus ever go to x and what might the implications be if it does?". If the bus is z then the output after the buffer will be x. If the the bus itself is x, this could occur
if both tristate buffers were enabled at the same time, with differing 1 and 0 inputs. The drivers will be
competing with each other and a lot of current might be consumed perhaps causing damage.
Slide 5-16: The time column should say '100' instead of '10'.
Additional examples
Counter with NRZ signalling (PDF)
ADC controller circuit from lecture 4 (PDF)
ROBDD example from lecture 6 (PDF)
Quine McCLuskey example from lecture 6 (minor error in step 2 corrected)(PDF)
Quine McCLuskey example from lecture 6 (with minor error in step 2)(PDF)
Related external links
EDA Glossary (www.edac.org)
Semiconductor Industry Association (www.semichips.org)
International Technology Roadmap for Semiconductors (public.itrs.net)
Examination information
Practical Work Assessed
ECAD and Architecture Workshops 1 to 3 are assessed as part of the
ECAD course (Workshops 4 to 6 are assessed as part of the Computer
Design course).
Tripos Question
There is just one ECAD question on the Part 1b Tripos.
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