# Design elements - Logic gate diagram

The vector stencils library "Logic gate diagram" contains 17 element symbols for drawing the logic gate diagrams.

"To build a functionally complete logic system, relays, valves (vacuum tubes), or transistors can be used. The simplest family of logic gates using bipolar transistors is called resistor-transistor logic (RTL). Unlike simple diode logic gates (which do not have a gain element), RTL gates can be cascaded indefinitely to produce more complex logic functions. RTL gates were used in early integrated circuits. For higher speed and better density, the resistors used in RTL were replaced by diodes resulting in diode-transistor logic (DTL). Transistor-transistor logic (TTL) then supplanted DTL. As integrated circuits became more complex, bipolar transistors were replaced with smaller field-effect transistors (MOSFETs); see PMOS and NMOS. To reduce power consumption still further, most contemporary chip implementations of digital systems now use CMOS logic. CMOS uses complementary (both n-channel and p-channel) MOSFET devices to achieve a high speed with low power dissipation." [Logic gate. Wikipedia]

The symbols example "Design elements - Logic gate diagram" was drawn using the ConceptDraw PRO diagramming and vector drawing software extended with the Electrical Engineering solution from the Engineering area of ConceptDraw Solution Park. Read more

"To build a functionally complete logic system, relays, valves (vacuum tubes), or transistors can be used. The simplest family of logic gates using bipolar transistors is called resistor-transistor logic (RTL). Unlike simple diode logic gates (which do not have a gain element), RTL gates can be cascaded indefinitely to produce more complex logic functions. RTL gates were used in early integrated circuits. For higher speed and better density, the resistors used in RTL were replaced by diodes resulting in diode-transistor logic (DTL). Transistor-transistor logic (TTL) then supplanted DTL. As integrated circuits became more complex, bipolar transistors were replaced with smaller field-effect transistors (MOSFETs); see PMOS and NMOS. To reduce power consumption still further, most contemporary chip implementations of digital systems now use CMOS logic. CMOS uses complementary (both n-channel and p-channel) MOSFET devices to achieve a high speed with low power dissipation." [Logic gate. Wikipedia]

The symbols example "Design elements - Logic gate diagram" was drawn using the ConceptDraw PRO diagramming and vector drawing software extended with the Electrical Engineering solution from the Engineering area of ConceptDraw Solution Park. Read more

The vector stencils library "Logical network diagram" contains 16 icon symbols.

Use these shapes for drawing logical computer network topology diagrams using the ConceptDraw PRO diagramming and vector drawing software.

The clipart example "Design elements - Logical network diagram" is included in the Computer and Networks solution from the Computer and Networks area of ConceptDraw Solution Park. Read more

Use these shapes for drawing logical computer network topology diagrams using the ConceptDraw PRO diagramming and vector drawing software.

The clipart example "Design elements - Logical network diagram" is included in the Computer and Networks solution from the Computer and Networks area of ConceptDraw Solution Park. Read more

## Computer Network Diagrams

Computer Network Diagrams solution extends ConceptDraw PRO software with samples, templates and libraries of vector stencils for drawing the computer network topology diagrams. Read more

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