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Logical Electronic ==>

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Memory : Memory With Moving Parts

Memory : Read-Only Memory

Memory : Historical,Nonmechanical Memory Technologies

Memory : Modern Nonmechanical Memory

Memory : Digital Memory Terms And Concepts

Memory : Why Digital?

DIP Gate Packaging

Constructing The NOR Function

Constructing The OR Function

Constructing The NAND Function

Constructing The AND Function

Constructing The "Buffer" Function

Constructing The NOT Function

Tristate Buffer Gate

Special Output Gates

CMOS Bilateral Switch

Buffered And Unbuffered Gates

CMOS OR Gate

CMOS NOR Gate

CMOS AND Gate

CMOS NAND Gate

CMOS Gate Circuitry

Negative Binary Numbers

Binary Addition

Sequential Logic Devices

Boolean Algebra

Digital Computing

Up Down Counter Application

Synchronous Counters

Asynchronous Counters

Binary Count Sequence

Special Output Gates

TTL NOR And OR Gates

TTL NAND And AND Gates

The Negative-OR Gate

The Negative-AND Gate

The NOR Gate

Exclusive-NOR (XNOR) Gate

Switching Logic And Circuits

Hexadecimal Numbers System

Logic - Binary Functions

The Exclusive-OR ( XOR ) Gate

The NAND Gate

The NOT Gate

The OR Gate

The AND Gate

Digital Logic Electronic

47 topics total

Memory : Read-Only Memory

Memory : Historical,Nonmechanical Memory Technologies

Memory : Modern Nonmechanical Memory

Memory : Digital Memory Terms And Concepts

Memory : Why Digital?

DIP Gate Packaging

Constructing The NOR Function

Constructing The OR Function

Constructing The NAND Function

Constructing The AND Function

Constructing The "Buffer" Function

Constructing The NOT Function

Tristate Buffer Gate

Special Output Gates

CMOS Bilateral Switch

Buffered And Unbuffered Gates

CMOS OR Gate

CMOS NOR Gate

CMOS AND Gate

CMOS NAND Gate

CMOS Gate Circuitry

Negative Binary Numbers

Binary Addition

Sequential Logic Devices

Boolean Algebra

Digital Computing

Up Down Counter Application

Synchronous Counters

Asynchronous Counters

Binary Count Sequence

Special Output Gates

TTL NOR And OR Gates

TTL NAND And AND Gates

The Negative-OR Gate

The Negative-AND Gate

The NOR Gate

Exclusive-NOR (XNOR) Gate

Switching Logic And Circuits

Hexadecimal Numbers System

Logic - Binary Functions

The Exclusive-OR ( XOR ) Gate

The NAND Gate

The NOT Gate

The OR Gate

The AND Gate

Digital Logic Electronic

47 topics total

As you can see, there are two ways to use a NAND gate as an inverter, and two ways to use a NOR

gate as an inverter. Either method works, although connecting TTL inputs together increases the

amount of current loading to the driving gate. For CMOS gates, common input terminals decreases

the switching speed of the gate due to increased input capacitance.

Inverters are the fundamental tool for transforming one type of logic function into another, and

so there will be many inverters shown in the illustrations to follow. In those diagrams, I will only

show one method of inversion, and that will be where the unused NAND gate input is connected to

+V (either Vcc or Vdd, depending on whether the circuit is TTL or CMOS) and where the unused

input for the NOR gate is connected to ground. Bear in mind that the other inversion method

(connecting both NAND or NOR inputs together) works just as well from a logical (1's and 0's)

point of view, but is undesirable from the practical perspectives of increased current loading for TTL

and increased input capacitance for CMOS.

Keywords : Digital, Gate, Elektronik, Electronic, Logic, Gate, Create, Contruction, Construction

26 Nov 2006 Mon

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