Complete List of Books Included

Electronics Introduction Textbooks/Alexander Fundamentals of Electric Circuits 5th c2013 txtbk.pdf (21.82 MB)
Electronics Introduction Textbooks/Basic Engineering Circuit Analysis Solutions.pdf (84.67 MB)
Electronics Introduction Textbooks/Basic Engineering Circuit Analysis.pdf (9.50 MB)
Electronics Introduction Textbooks/Digital Electronics - A Practical Approach With VHDL 9th Edition.pdf (32.04 MB)
Electronics Introduction Textbooks/Digital Systems Principles And Applications [by Ronald Tocci].pdf (54.74 MB)
Electronics Introduction Textbooks/Electronic Devices and Circuit Theory 11th Ed.pdf (25.92 MB)
Electronics Introduction Textbooks/Engineering Circuit Analysis.pdf (52.18 MB)
Electronics Introduction Textbooks/Floyd - Digital Fundamentals 9th ed.pdf (469.21 MB)
Electronics Introduction Textbooks/Floyd - Electronic Devices CCV 9th ed.pdf (380.69 MB)
Electronics Introduction Textbooks/Floyd - Fundamentals of Analog Circuits 2E.pdf (238.08 MB)
Electronics Introduction Textbooks/Floyd - Principles of Electric Circuits CC 8e.pdf (131.45 MB)
Electronics Introduction Textbooks/Floyd-Digital-fundamentals-10th-edition-solutions.pdf (4.90 MB)
Electronics Introduction Textbooks/Foundations Of Analog And Digital Electronic Circuit[by Anant Agarwal and Jeffrey H. Lang].pdf (8.10 MB)
Electronics Introduction Textbooks/Fundamentals of Digital Logic with Verilog Design, Third Edition - Stephen Brown.pdf (6.21 MB)

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NOTATION.PPT(1/10/2008)
1.1
NOTATION.PPT(1/10/2008)
Digital Electronics II
1.2
Lecture List
Mike Brookes – Notation, Cause and Effect
Please pick up: (a) Notes & (b) Problem Sheets from the front desk
• 1: Notation, Cause and Effect, Flipflops, Counters
– Interfacing Digital Systems • 2: Synchronous bit-serial Interfacing • 3. Asynchronous bit-serial interfacing • 4,5: Microprocessor-to-Memory Interface
1. What does Digital mean ?
– Synchronous State Machines • • • •
2. Where is it used ?
6: Shift Register control and sequencing 7. Data Decoding with a counter 8. Synchronous state machine analysis 9. Synchronous state machine design
– Digital ↔ Analog Conversion • 10: Digital-to-Analog conversion • 11. Analog-to-Digital Conversion: Flash and dual-ramp • 12. Analog-to-Digital Conversion: Successive approximation
3. Why is it used ?
– Addition Circuits 4. What are the important features of a digital system ?
Page 1.1
• 13: Adders and propagation delays • 14. Fast Adders: bit inversion & carry lookahead • 15. Fast adders: Carry skip and carry save
Notation
E.2.1/ISE2.22 – Digital Electronics II
NOTATION.PPT(1/10/2008)
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NOTATION.PPT(1/10/2008)
1.4
Lecture 1
Lecture Notes
Notation, Cause and Effect
Very concise - ensure you understand each sentence.
Book R. J. Tocci & N. S. Widmer, “Digital Systems: Principles & Applications”, Prentice-Hall, 9th ed Mar 2006. ISBN 0131739697
Objectives
Covers most of the course though not in the same order. I do not follow any book closely.
•
Introduce the IEC standard notation for logic symbols
Problem Sheets
•
Emphasize the notion of cause and effect in digital circuits
•
Remind you what a flipflop does
•
Look at the propagation delays of a ripple counter and a synchronous counter
– Problems graded: • everyone should do A, B and C • D and E are harder
– Solutions are included – Tutorial questions URL http://www.ee.ic.ac.uk/hp/staff/dmb/courses/dig2/dig2.htm
Page 1.2
Notation
E.2.1/ISE2.22 – Digital Electronics II
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0
Notation
Cause & Effect
Logic Levels A logic 1 (or high) is always the most positive of the two voltage levels. e.g. CMOS: 0 & 5V, ECL –1.75 & –0.9V
A B
B
&
!X
1
X
=
B
≥1
Input A going low causes X to go high
Propagation Delay: The time delay between a cause (an input changing) and its effect (an output changing).
Example: 74AC00: Advanced CMOS 2-input NAND gate
X
min
typ
max
A↑ to X↓ (tPHL)
1.5
4.5
6.5
ns
A↓ to X↑ (tPLH)
1.5
6.0
8.0
ns
tPHL and tPLH refer to the direction that the output changes: high-to-low or low-to-high.
X or !X denotes the inverse of X.
Page 1.3
B
Input B going high causes X to go low
Inversion Triangles We can invert signals on the way in or on the way out: A
X
X
Gates The label indicates how many of the inputs must be high to make the output high: & AND gate: all inputs high ≥1 OR gate: one or more inputs high =1 Exclusive-OR: exactly one input high 2n Even Parity: even number of inputs high
A
A
&
Notation
E.2.1/ISE2.22 – Digital Electronics II
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D-Flipflop
Ripple Counter Q0
DATA CLOCK
1D C1
Q
Q1
Q2
CLOCK DATA
1D
Q
CLOCK
Notation: > input effect happens on the rising edge C1 C ⇒ Clock input, 1 ⇒ This input is input number 1. 1D D ⇒ Data input, 1 ⇒ This input is controlled by input number 1.
1D
C1
1D
C1
C1
Notation: – Notice inverters on the CLOCK and DATA inputs – Least significant bit of a number is always labelled 0 CLOCK Q0 Q1
The meaning of a number depends on its position: A number after a letter is used to identify a particular input. A number before a letter means that this input is controlled by one of the other inputs.
Q2 Q2:0
4
5
6
7
0
1
State Diagram (not including transient states): Cause and Effect: – CLOCK↑ causes Q to change after a short delay. This is the only time Q ever changes. – The value of D just before CLOCK↑ is the new Q. – Propagation delay CLOCK↑ to Q is typically 6 ns. – Propagation delay DATA to Q does not make sense since DATA changing does not cause Q to change.
Page 1.4
0
1
2
3
7
6
5
4
Propagation Delay: CLOCK↓ to Q2 = 3 × 6 ns = 18 ns
Notation
E.2.1/ISE2.22 – Digital Electronics II
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Dependency Notation
Synchronous Counter CLOCK
Q1 Q2
Input Labels: Inputs are labelled with a function letter to show what effect they have on the circuit. They have this effect whenever they are high (i.e. at logic 1). The function letter is usually followed by an identification number (which must be unique):
C1 D0
Q0 Logic D=Q+1
1D
1.10
Q0
D1
Q1
D2
Q2
• C1 • M7 • D
Notation: – A register is a bunch of flipflops with the same CLOCK. – The individual flipflops are rectangles stacked on top of each other. Only the top one is labelled. – All shared signals (e.g. the CLOCK input) go to the notched common control block at the top of the stack.
Clock number 1 Mode input number 7 Data input (no identification number)
Dependencies: If an input is affected by one or more other signals, we list their identification numbers in front of the function letter:
The logic block must add 1 onto the current value of the counter, Q, to generate the next value of the counter, D. Suppose it has a propagation delay of 10 ns.
• 3,2,5D
Data input affected by input 3,2 and 5 in that order.
The identification number is used to show which of the other inputs are affected by putting it in front of their function letters (if any).
All flipflops change state within a fraction of a nanosecond. CLOCK Q2:0
Device Types: The overall function of a device is indicated at the top of its symbol. Anything unlabelled is a flipflop or register.
D2:0
Propagation Delays:
Page 1.5
CLOCK↑ to Qi = 6ns CLOCK↑ to Di = 16ns
Notation
E.2.1/ISE2.22 – Digital Electronics II
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NOTATION.PPT(1/10/2008)
Function Letters for Input Signals A CI,CO C CT=xx D EN G J,K,T M P,Q R,S V +, – ←,→
Quiz Questions
Address inputs for a memory circuit Carry In and Out for an adder Clock or Control input Set contents of register or counter to xx Data input to flipflop Enable tri-state outputs “Gating” input: allows signals through when high Inputs for JK and Toggle flipflops Mode input: selects one of several operating modes (e.g. count up or count down) Input numbers for adders, multipliers etc. Reset and Set inputs Forces a signal to 1 when high Increment or Decrement Shift up (left) or shift down (right)
1. The voltage levels for the TTL logic family are 0.4 V and 2.8 V. Which one of these corresponds to logic 1? 2. If a gate is labelled ≥1, under what circumstances will the output be high? 3. What does the propagation delay of a circuit mean? 4. Why does it make no sense to talk about the propagation delay between a flipflop’s DATA input and the flipflop’s output? 5. A flipflop’s inputs are labelled C1 and 1D respectively. Why does the 1 come after the C but before the D? 6. What is the meaning of the > sign just before the C1 in a flipflop’s symbol?
Device Types &, ≥1, =1 (blank) MUX Σ Π CTR SRG RAM
1.12
Gates Latch, Flipflop or register Multiplexer Adder Multiplier Counter Shift Register Read/Write memory
7. What is the meaning of a triangle drawn where an input or output wire meets a logic symbol? 8. What is a register? Answers are all in the notes.
Note: These lists are for reference only. You are not expected to memorize them.
Page 1.6
Notation
E.2.1/ISE2.22 – Digital Electronics II