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04 IC's, I-O, P-, N-Logic IC's, I-O, P-, N...11-Jan-21—5:22 PM University of Florida, EEL 3701 –...

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13-May-21—4:43 PM 1 University of Florida, EEL 3701 – File 04 © Drs. Schwartz & Arroyo IC's, I-O, P-, N-Logic EEL3701 1 University of Florida, EEL 3701 – File 04 © Drs. Schwartz & Arroyo Menu • Available ICs in TTL • See also web-site > Pinouts on the Software/Docs page • TTL Gates • Positive-Logic & “N-” Logic Look into my ... See software/docs on web: Hardware_Get_Started.pdf, Pinouts EEL3701 2 University of Florida, EEL 3701 – File 04 © Drs. Schwartz & Arroyo Milestones in Logic and HDL: Theory
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  • 13-May-21—4:43 PM

    1University of Florida, EEL 3701 – File 04© Drs. Schwartz & Arroyo

    IC's, I-O, P-, N-Logic

    EEL3701

    1University of Florida, EEL 3701 – File 04

    © Drs. Schwartz & Arroyo

    Menu

    • Available ICs in TTL• See also web-site

    >Pinouts on the Software/Docs page• TTL Gates• Positive-Logic & “N-” Logic

    Look into my ...

    See software/docs on web:Hardware_Get_Started.pdf, Pinouts

    EEL3701

    2University of Florida, EEL 3701 – File 04

    © Drs. Schwartz & Arroyo

    Milestones in Logic and HDL: Theory

  • 13-May-21—4:43 PM

    2University of Florida, EEL 3701 – File 04© Drs. Schwartz & Arroyo

    IC's, I-O, P-, N-Logic

    EEL3701

    3University of Florida, EEL 3701 – File 04

    © Drs. Schwartz & Arroyo

    Milestones in Logic and HDL: Technology

    EEL3701

    4University of Florida, EEL 3701 – File 04

    © Drs. Schwartz & Arroyo

    Milestones in Logic and HDL: CAD Tools

  • 13-May-21—4:43 PM

    3University of Florida, EEL 3701 – File 04© Drs. Schwartz & Arroyo

    IC's, I-O, P-, N-Logic

    EEL3701

    5University of Florida, EEL 3701 – File 04

    © Drs. Schwartz & Arroyo

    • Available Integrated Circuits (ICs or Chips) in Transistor-Transistor-Logic (TTL) include:> Standard TTL = TTL > Low Power TTL = L-TTL > High Speed TTL = H-TTL > Schottky TTL = S-TTL> Low Power S-TTL = LS-TTL > Advanced S-TTL = AS-TTL> Advanced LS-TTL = ALS-TTL

    • The data sheets use 74XY or 54XY to represent commercial grade IC’s:

    X = Series of TTL Y = 2, 3, or 4 digits 74LS00, 7400, 74ALS00, 74LS153, etc.

    • High speed CMOS = HC ; Ex: 74HC00, 74HC02, etc.• HC CMOS is not TTL but uses the same numbering system• TTL uses bipolar transistors. CMOS uses complementary MOS (metal-

    oxide semiconductor) transistors

    Integrated Circuits

    EEL3701

    6University of Florida, EEL 3701 – File 04

    © Drs. Schwartz & Arroyo

    IC’s (Chips)• DIP = Dual In-line Package

    >Two parallel rows of pins>Common for students and hobbyists >Pins go through a board or into

    sockets>Notch and/or dot denotes pin 1

  • 13-May-21—4:43 PM

    4University of Florida, EEL 3701 – File 04© Drs. Schwartz & Arroyo

    IC's, I-O, P-, N-Logic

    EEL3701

    7University of Florida, EEL 3701 – File 04

    © Drs. Schwartz & Arroyo

    Some Common DIP Chips, etc.

    EEL3701

    8University of Florida, EEL 3701 – File 04

    © Drs. Schwartz & Arroyo

    Available ICs• Check out the software/docs page under heading

    pinouts on the class web site>Various versions of pinouts for common chips

  • 13-May-21—4:43 PM

    5University of Florida, EEL 3701 – File 04© Drs. Schwartz & Arroyo

    IC's, I-O, P-, N-Logic

    EEL3701

    9University of Florida, EEL 3701 – File 04

    © Drs. Schwartz & Arroyo

    More Chip Types• SOIC = Small Outline IC

    >For surface mounting on one side of PCB

    • SOP = Small Outline Package>Similar to SOIC, but with smaller

    pin spacing

    • QFP = Quad Flat Package>For surface mounting on one all

    four sides of PCB

    EEL3701

    10University of Florida, EEL 3701 – File 04

    © Drs. Schwartz & Arroyo

    More Chip Types• PLCC = Plastic leaded (or leadless)

    chip carrier>Pins on side and underneath chip>Very hard to solder pins>Often used with PLCC socket

    • PLCC Socket = Receptacle for PLCC

    >Socket for PLCC

  • 13-May-21—4:43 PM

    6University of Florida, EEL 3701 – File 04© Drs. Schwartz & Arroyo

    IC's, I-O, P-, N-Logic

    EEL3701

    11University of Florida, EEL 3701 – File 04

    © Drs. Schwartz & Arroyo

    More Chip Types• BGA = Ball Grid Array package

    >Pins underneath chip>For surface mounting on one side of

    PCB with very high pin density>Bottom view of BGA device

    shown below

    EEL3701

    12University of Florida, EEL 3701 – File 04

    © Drs. Schwartz & Arroyo

    PCB = Printed Circuit Boards

    OLD Populated 3744 PCBs3701 MAX X FPGA PCB

  • 13-May-21—4:43 PM

    7University of Florida, EEL 3701 – File 04© Drs. Schwartz & Arroyo

    IC's, I-O, P-, N-Logic

    EEL3701

    13University of Florida, EEL 3701 – File 04

    © Drs. Schwartz & Arroyo

    3744 PCBs: uPAD 1.4 and Accessory Boards (Backpacks)

    PAD 1.4 Analog Backpack

    Switch & LED Backpack Memory Base

    Robotics Backpack

    EEL3701

    14University of Florida, EEL 3701 – File 04

    © Drs. Schwartz & Arroyo

    Breadboard (Protoboard) and Building Circuits

    • Used for quick circuit assembly using DIP chips, switches, LEDs, and resistors (also SIP resistors)

    >Chips are inserted in holes with pins goingon either side of center

    MIL Robots

    74HCyy

    Vcc

    Gnd

    MIL Robots

    74HCxx

    Then add switch and LED circuits for Input/Output

  • 13-May-21—4:43 PM

    8University of Florida, EEL 3701 – File 04© Drs. Schwartz & Arroyo

    IC's, I-O, P-, N-Logic

    EEL3701

    15University of Florida, EEL 3701 – File 04

    © Drs. Schwartz & Arroyo

    Resistors• Ohm’s Law: V = I R

    >V is voltage>I is current>R is resistance

    • For a fixed voltage (common in digital circuits), as R , I

    • “Resistors resist!”>The higher the resistance, the more they resist

    EEL3701

    16University of Florida, EEL 3701 – File 04

    © Drs. Schwartz & Arroyo

    Axial Resistors

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    9University of Florida, EEL 3701 – File 04© Drs. Schwartz & Arroyo

    IC's, I-O, P-, N-Logic

    EEL3701

    17University of Florida, EEL 3701 – File 04

    © Drs. Schwartz & Arroyo

    Resistor Packs• DIP resistor pack

    • SIP resistor pack>SIP = Single Inline Package

    Vcc or Gnd

    EEL3701

    18University of Florida, EEL 3701 – File 04

    © Drs. Schwartz & Arroyo

    LED (Light Emitting Diodes)

    Anode Cathode

    Anode Cathode

    Notch usually represents anode side

    Improper (but common) LED

    symbol

    Cathode

    Anode Anode

    Cathode

    LED

    DIP LED Array

  • 13-May-21—4:43 PM

    10University of Florida, EEL 3701 – File 04© Drs. Schwartz & Arroyo

    IC's, I-O, P-, N-Logic

    EEL3701

    19University of Florida, EEL 3701 – File 04

    © Drs. Schwartz & Arroyo

    Switches: SPST, SPDT, Array• SPST = Single-Pole. Single-Throw

    • SPDT = Single-Pole, Double-Throw

    • SPST Arrays>On = closed

    Open Circuit

    Short Circuit

    EEL3701

    20University of Florida, EEL 3701 – File 04

    © Drs. Schwartz & Arroyo

    SPST Switch Circuits (for Digital Circuits)

    • MUST HAVE a resistor, a switch, Vcc, and Gnd

    • Array of SPST switch circuitsVcc Vcc

    Vcc

    Gnd

    ON A(H)SIP

    B(L)

    Switches shown on breadboard are in their true positions

  • 13-May-21—4:43 PM

    11University of Florida, EEL 3701 – File 04© Drs. Schwartz & Arroyo

    IC's, I-O, P-, N-Logic

    EEL3701

    21University of Florida, EEL 3701 – File 04

    © Drs. Schwartz & Arroyo

    Gnd

    Vcc

    LED Circuits (for Digital Circuits)• MUST HAVE a resistor, an LED, and Gnd or Vcc

    • Array of LED output circuits

    AnodeDIP Resistors

    A(H)B(H) D(L)

    C(L)

    Schematic for breadboad

    Alternative schematics

    EEL3701

    22University of Florida, EEL 3701 – File 04

    © Drs. Schwartz & Arroyo

    Gnd

    Vcc

    LED Circuits (for Digital Circuits)• MUST HAVE a resistor, an LED, and Gnd or Vcc

    • Array of LED output circuits with axial resistors

    A(H)B(H)

    Schematic for breadboad

    Anode

  • 13-May-21—4:43 PM

    12University of Florida, EEL 3701 – File 04© Drs. Schwartz & Arroyo

    IC's, I-O, P-, N-Logic

    EEL3701

    23University of Florida, EEL 3701 – File 04

    © Drs. Schwartz & Arroyo

    • What is F ?• Input

    - A wire (no bubble) means it responds to H voltage. (Active-High)- A bubble in a wire means it responds to L Voltage. (Active-Low)

    • Output- A wire (no bubble) means it produces H voltage. (Active-High)- A bubble in a wire means it produces L Voltage. (Active-Low)

    • Look at 74’00 where ’ is {null, H, L, S, LS, AS, ALS, HC, etc.}

    >They are ALL equal to:AB F

    Integrated Circuits

    EEL3701

    24University of Florida, EEL 3701 – File 04

    © Drs. Schwartz & Arroyo

    The End!


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