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INTERGRATED CIRCUITS LECTURE 17
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History of Electronic Devices 1st Generation Electron tubes INTERGRATED CIRCUITS LECTURE 17
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2nd Generation Semiconductor Devices, Diode and single Transistor
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3rd Generation Small Scale Integrated Circuits (SSI): Less than 100 Transistors per Integrated Circuit or chip Medium Scale Integrated Circuits (MSI): 100 to 1000 Transistors per Integrated Circuit or chip 3rd Generation Small Scale Integrated Circuits (SSI): Less than 100 Transistors per Integrated Circuit or chip Medium Scale Integrated Circuits (MSI): 100 to 1000 Transistors per Integrated Circuit or chip
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4th Generation Large Scale Integrated Circuits (LSI): 1000 to 10000 Transistors per Integrated Circuit or chip Very Large Scale Integrated Circuits (VLSI): 10000 to 1 million Transistors per Integrated Circuit or chip.
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5th Generation Ultra Large Scale Integrated Circuits (ULSI): over 1 million Transistors per Integrated Circuit or Chip http://www.youtube.com/watch?v=AMgQ1-HdElM Silicon Wafer Production
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6th Generation Name of this technology yet to be determined: Over one billion transistors per Integrated Circuit or Chip 10-Core Xeon Westmere-EXXeonWestmere-EX2,600,000,0002011Intel32 nm512 mm²
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Radio shack notes p80-91
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You tube: the intergrated circuit http://www.youtube.com/watch?v=uSRIc-sEgPw
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555 audio oscillator Voltage comparator http://www.youtube.com/watch?v=qsP06waTvQY Collin's Lab: Exploratory IC torching
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7404 IC six independent positive logic NOT GATES (INVERTERS)
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DIFFERENT PACKAGE STYLES FOR IC’s
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TYPES OF IC SOCKETS
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http://www.williamson-labs.com/GREAT WEB SITE FOR ELECTRONICS
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Q
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A B Q
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http://www.williamson-labs.com/480_logic.htmDigital logic animation
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ELECTRONIC TOOLBOX: APP FOR IPHONE http://www.youtube.com/watch?v=377dquuny4w http://www.youtube.com/watch?v=rz_EfwJGIes.[iPad] iCircuit.
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The BCD method codes each decimal digit in binary and stores it in its own byte. The binary method converts the entire decimal number into a binary number.
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Transistor NOR Gate A B Q
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A B Q
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A B Q
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A tristate buffer can be thought of as a switch. If B is on, the switch is closed. If B is off, the switch is open.
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Truth Table for Logic Gate Combination Inputs Outputs ABCDEQ 000101 001101 010000 011011 100000 101000 110000 111011 EXAMPLE LOGIC CIRCUITS http://www.technologystudent.com/elec1/dig5.htm http://www.technologystudent.com/elec1/digq2.htm DIGITAL LOGIC EXAMINATION QUESTION - 2 EXAMPLE OF COMBINATIONAL LOGIC CIRCUIT
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BCD-to-Seven-Segment Decoders/Drivers
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Addressing Input Selected ba 00A 01B 10C 11D 4-to-1 Channel Multiplexer 4 Channel Multiplexer using Logic Gates Multiplexer Symbol
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The Demultiplexer 1-to-4 Channel De-multiplexer 4 Channel Demultiplexer using Logic Gates Demultiplexer Symbol Addressing Input Selected ba 00A 01B 10C 11D
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The Digital Encoder Unlike a multiplexer that selects one individual data input line and then sends that data to a single output line or switch, a Digital Encoder more commonly called a Binary Encoder takes ALL its data inputs one at a time and then converts them into a single encoded output. 4-to-2 Bit Binary Encoder
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Positional Encoders Compass Direction Binary Output Q0Q0 Q1Q1 Q2Q2 North000 North-East001 East010 South-East011 South100 South-West101 West110 North-West111
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A 2-to-4 Binary Decoders. Binary Decoder A Decoder is the exact opposite to that of an "Encoder". It is basically, a combinational type logic circuit that converts the binary code data at its input into one of a number of different output lines, one at a time producing an equivalent decimal code at its output.
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The Basic SR Flip-flopTruth Table for this Set-Reset Function StateSRQ Q Description Set 1010Set Q » 1 1110no change Reset 0101Reset Q » 0 1101no change Invalid 0001 memory with Q = 0 0010 memory with Q = 1 http://www.williamson-labs.com/ GOOD WEB SITE FOR ELECTRONICS
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SRQQ 0000 0011 01X0 10X1 11XInvalid
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4-bit Parallel-in to Parallel-out Shift Register Basic Movement of Data through a Shift Register Clock Pulse NoQAQBQCQD 00000 11000 20100 30010 40001 50000
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Frequency Division using Toggle Flip-flops
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4-bit, 16 Divide by 2 Counter
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http://www.technologystudent.com/elec1/count1.htm THE 4017B DECADE COUNTER
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74LS00 Pin Assignment : 7400 Logic Diagram
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