Design combinational-sequential electronic logic gate, Computer Engineering

Combinational/Sequential Logic design with Integrated Circuits (Dual in line package)

Car wash concept with the following steps in a Combinational Logic Diagram:

1.    Start Rinse   

2.    Stop Rinse, Start Soap

3.    Start Brush

4.    Stop Soap, Stop Brush

5.    Start rinse

6.    Stop rinse, Start Dry

7.    Stop Dry

A corresponding LED will light-up when the step is reached on during the car wash sequence/run.  Each LED will be on for 5 seconds.  For steps 2, 4, and 6, those LEDs will light for 8 seconds.

Requirements:  Design Combinational/sequential electronic logic diagram with integrated Circuit items depicted an automated Car Wash process.  All of the integrated circuits used thus far in the course have been 74LS00s and 74000s series.

From the diagram I will actually construct the project on a Pencil Box Logic Designer which has an experimental breadboard. Items used in/on the diagram will include some of the following ICs that can be placed on breadboard:

Logic Gates:

AND gate

Exclusive-OR (XOR) gate

Inverter gate

NAND gate

NOR gate

OR gate

TIMER

Half-Adder

Full-Adder

Comparators

Binary Decoders

Binary-to-Decimal Decoders

Multiplexer (MUX)

Demultiplexer (DEMUX)

Latch

S-R Latch

Gated S-R Latch

D Latch

FLIP-FLOPS

D flip-flop

J-K flip-flop

One shot

Counters & Counter logic operations

Shift Registers

Serial In/Serial Out

Serial In/Parallel Out

Note: Some of the items on the list are combinations of several ICs.  Example: Instead of using XOR gate for logic functions on the diagrams, it can also be a combination of 2 x Inverter Gates, 2 x AND Gates, & 1 x OR Gate.

The PencilBox Logic Designer which I'm using has Logic Indicators (8 x LED), CLOCK, Logic 8 x Switches, 2 x PULSERS push buttons.

The last diagram I completed was a 4-Bit Counter.  See below:

492_4 bit binary counter.png

Posted Date: 3/12/2013 3:16:55 AM | Location : United States







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