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Elmore delay is a simple approximation to the delay through an RC network in an electronic system. It is often used in applications such as logic synthesis, delay calculation, static timing analysis, placement and routing, since it is simple to compute (especially in tree structured networks, which are the vast majority of signal nets within ICs) and is reasonably accurate. Even where it is not accurate, it is usually faithful, in the sense that reducing the Elmore delay will almost always reduce the true delay, so it is still useful in optimization.

Attributes	Values
rdf:type	yago:Artifact100021939 yago:Circuit103033362 yago:ComputerCircuit103084420 yago:Device103183080 yago:ElectricalDevice103269401 yago:Instrumentality103575240 yago:IntegratedCircuit103577090 yago:Object100002684 yago:PhysicalEntity100001930 yago:WikicatIntegratedCircuits Election yago:Whole100003553
rdfs:label	Elmore delay (en) Элморовская задержка (ru)
rdfs:comment	Элморовская задержка — простая аппроксимация задержки RC-цепочки в электронной системе. Часто используется в таких процедурах как: логический синтез, расчет задержки схемы, статический временной анализ и трассировка, так как она легко рассчитывается (особенно в древовидных структурах) и достаточно точна. (ru) Elmore delay is a simple approximation to the delay through an RC network in an electronic system. It is often used in applications such as logic synthesis, delay calculation, static timing analysis, placement and routing, since it is simple to compute (especially in tree structured networks, which are the vast majority of signal nets within ICs) and is reasonably accurate. Even where it is not accurate, it is usually faithful, in the sense that reducing the Elmore delay will almost always reduce the true delay, so it is still useful in optimization. (en)
dcterms:subject	Electronic design automation Integrated circuits Electronic design Electronic engineering
Wikipage page ID	7522652 (xsd:integer)
Wikipage revision ID	911008987 (xsd:integer)
Link from a Wikipage to another Wikipage	Root node Electronic design automation Delay calculation Electrical resistance Placement (EDA) William Cronk Elmore Logic synthesis Padé approximant Integrated circuits Electronic design Electronic engineering Tree network Inductance Capacitance Static timing analysis Traffic flow (computer networking) Routing (EDA) RC network
sameAs	Elmore delay Elmore delay Elmore delay Elmore delay Elmore delay
dbp:wikiPageUsesTemplate	dbt:Reflist
has abstract	Elmore delay is a simple approximation to the delay through an RC network in an electronic system. It is often used in applications such as logic synthesis, delay calculation, static timing analysis, placement and routing, since it is simple to compute (especially in tree structured networks, which are the vast majority of signal nets within ICs) and is reasonably accurate. Even where it is not accurate, it is usually faithful, in the sense that reducing the Elmore delay will almost always reduce the true delay, so it is still useful in optimization. Elmore delay can be thought of in several ways, all mathematically identical. * For tree structured networks, find the delay through each segment as the R (electrical resistance) times the downstream C (electrical capacitance). Sum the delays from the root to the sink. * Assume the output is a simple exponential, and find the exponential that has the same integral as the true response. This is also equivalent to moment matching with one moment, since the first moment is a pure exponential. * Find a one pole approximation to the true frequency response. This is a first-order Padé approximation. There are many extensions to Elmore delay. It can be extended to upper and lower bounds, to include inductance as well as R and C, to be more accurate (higher order approximations) and so on. See delay calculation for more details and references. (en) Элморовская задержка — простая аппроксимация задержки RC-цепочки в электронной системе. Часто используется в таких процедурах как: логический синтез, расчет задержки схемы, статический временной анализ и трассировка, так как она легко рассчитывается (особенно в древовидных структурах) и достаточно точна. (ru)
gold:hypernym	Approximation
prov:wasDerivedFrom	wikipedia-en:Elmore_delay?oldid=911008987&ns=0
page length (characters) of wiki page	2732 (xsd:nonNegativeInteger)
foaf:isPrimaryTopicOf	wikipedia-en:Elmore_delay
is Link from a Wikipage to another Wikipage of	Delay calculation William Cronk Elmore Logical effort Elmore Elmore's delay
is Wikipage redirect of	Elmore's delay
is Wikipage disambiguates of	Elmore
is known for of	William Cronk Elmore
is foaf:primaryTopic of	wikipedia-en:Elmore_delay

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