Logic family

<p>In <a href="/facts/Computer_engineering/5x1TRKGo">computer engineering</a>, a logic family is one of two related concepts:
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<ul><li>A logic family of monolithic digital <a href="/facts/Integrated_circuit/fjn6vg7C">integrated circuit</a> devices is a group of electronic <a href="/facts/Logic_gate/RHLulvKI">logic gates</a> constructed using one of several different designs, usually with compatible <a href="/facts/Logic_level/aa9GrAPg">logic levels</a> and power supply characteristics within a family. Many logic families were produced as individual components, each containing one or a few related basic logical functions, which could be used as "building-blocks" to create systems  or as so-called "glue" to interconnect more complex integrated circuits.</li>
<li>A logic family may also be a set of techniques used to implement logic within <a href="/facts/VLSI/l1Wgqr27">VLSI</a> <a href="/facts/Integrated_circuits/fjn6vg7C">integrated circuits</a> such as <a href="/facts/CPU/Jxp1bqMV">central processors</a>, memories, or other complex functions. Some such logic families use <a href="/facts/Dynamic_logic_(digital_logic)/jgQtLWyn">static techniques</a> to minimize design complexity. Other such logic families, such as <a href="/facts/Domino_logic/Wo41NVLf">domino logic</a>, use <a href="/facts/Dynamic_logic_(digital_logic)/jgQtLWyn">clocked dynamic techniques</a> to minimize size, <a href="/facts/Power_consumption/eEl4r39x">power consumption</a> and delay.</li></ul>
<p>Before the widespread use of integrated circuits, various solid-state and vacuum-tube logic systems were used but these were never as standardized and interoperable as the integrated-circuit devices. The most common logic family in modern <a href="/facts/Semiconductor_devices/6W3ryr50">semiconductor devices</a> is <a href="/facts/Metal%25E2%2580%2593oxide%25E2%2580%2593semiconductor/eTDJT2Km">metal–oxide–semiconductor</a> (MOS) logic, due to low power consumption, <a href="/facts/MOSFET_scaling/eTDJT2Km">small transistor sizes</a>, and high <a href="/facts/Transistor_density/1oDVlhAY">transistor density</a>.
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Logic family open-in-new

Logic family