Digital Electronics 2002-03
Principal lecturer: Dr Simon Moore
Taken by: Part IA (50% option), Part IB, Part II (General), Diploma
Syllabus
Past exam questions
Lecture Room
PLEASE NOTE: All of the lectures will be in Arts School A and not
the Haycock.
Lectures
Lectures:
- Introduction
- Boolean algebra
- Logic minimisation
- Complexities of logic design
- Flip-flops and latches
- Synchronous state machines
- Further state machines
- Discrete devices
- LSI components and memories
- Programmable logic devices
- Asynchronous state machines
Differences from previous years
The lectures have been rewritten to reflect modern practises and
changes in electronics teaching at A-level.
Additions:
- more background to labs
- more on using transistors
- one hot encoding
- simple asynchronous control
Deletions:
- mass use of JK flip-flops (i.e. many past exam questions no longer
reflect what will appear in the future)
- device physics
Supervision Work
Suggested supervision work has been provided at the end of each
lecture. It is recommended that these questions form the minimum set,
with additional material coming from individual supervisors and past
examination questions
Handouts
Parts 1 & 2 of the handouts are available from Student
Administration in the Computer Laboratory (William Gates Building).
Part 2 is available electronically as PDF:
notes
and datasheets or see the
hardware practical classes data
sheets page.
Comments/suggestions are always most welcome, particularly since
the lectures have changed.
Errata
- Lecture 1, slide 8 - the equation for signed integers in two's
complement form should be:

- Lecture 2, slide 15 - the first supervision work question should
be "For 4 bit numbers, why does 9=-7 where 9 and -7 are unsigned
and signed decimal numbers respectively?".
- Lecture 5, slide 4 - the state transition diagram of the RS latch
should be:

- Lectures 6 & 7 - for some strange reason the lines over variables to
indicate NOT are dotted when they should be solid
- Lecture 6, slide 14 - the two equations for G' should be:

- Lecture 7, slides 11 & 12 - the equations for s1' and s0'
should be:

- Lecture 10, slide2 - a correct (and simpler) view of an unprogrammed PAL:

- Lecture 11, slide 6, the storage rule for Aout+ should point to f- and not f+:

- Lecture 11, slide 9, the equation for f' should be:

Hardware Practical Classes
Hardware practical classes are
primarily taken by Part IA (50% option)
students, though Part IB (those who took Part IA (25% option) last year), Part II (General) and Diploma students are welcome to join in.
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