Physical States for Bits. Black Box Representations.

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Presentation transcript:

Physical States for Bits

Black Box Representations

Truth Tables

Basic Logic Gates

NAND and NOR gates

Sum of Products Circuits

Timing Diagrams

Logic Levels for CMOS

The concept of voltage- controlled resistance

nMOS transistor

pMOS transistor

Now we put together nMOS and pMOS transistors to create an inverter

Switch Model for CMOS inverter

Logical operation of CMOS inverter

Explanation of 2-input CMOS NAND gate

Switch Model for NAND realized in CMOS

Explanation of CMOS NOR

CMOS NAND with 3 inputs

Example of realization of large NAND gates in CMOS

Buffers realized in CMOS

AND gate in CMOS

AND-OR-INVERT gate in CMOS

CMOS OR-AND-INVERT

Data Sheets and how to use them

Test Circuits and Waveforms

Input-Output Characteristics

Logic Levels and Noise Margins for CMOS logic family

Resistive Models of Inverters

Resistive model for CMOS LOW output with resistive load

Black Box Representations Resistive model for CMOS HIGH output with resistive load

Circuit defintions to calculate currents

Output loading specifications

Estimating sink and source currents

CMOS inverters with nonideal input voltages

Black Box Representations CMOS inverter with load and nonideal 1.5 voltage input

Black Box Representations CMOS inverter with load and nonideal 3.5 voltage input

What to do with non-used inputs?

Transition times

How to analyze transition times for CMOS output?

Model of HIGH-to-LOW transition

Black Box Representations