emitter-coupled logic


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emitter-coupled logic

[i′mid·ər ¦kəp·əld ′läj·ik]
(electronics)
A form of current-mode logic in which the emitters of two transistors are connected to a single current-carrying resistor in such a way that only one transistor conducts at a time. Abbreviated ECL.
References in periodicals archive ?
The positive emitter-coupled logic (PECL) differential outputs achieve full swing at the minimum specified input signal.
Applying decades of expertise in high-speed Positively Referenced Emitter-Coupled Logic (PECL) to the emerging networking and telecommunictions markets, ON Semiconductor (Nasdaq: ONNN) today introduced the NBSG16M -- a Silicon Germanium (SiGe) based, high bandwidth, fully differential receiver and driver with Current Mode Logic (CML) output.
Extending its industry leadership position in the high-speed Positively Referenced Emitter-Coupled Logic (PECL) market, ON Semiconductor (Nasdaq:ONNN) today introduced the NBSG72A -- a Silicon Germanium (SiGi) based, high bandwidth, fully differential crosspoint switch with output level select capabilities.
With both design flexibility and HSTL inputs, the MC100EP809 can drive HSTL signals throughout the circuit backplane or convert the Positive Emitter-Coupled Logic (PECL) based timing signal from a master Phase Lock Loop (PLL) clock generator to an HSTL-based configuration for distributing nine separate clock signals.
Each OC-48 channel can connect to external serializer-deserializer devices through industry-standard low-voltage pseudo emitter-coupled logic (LVPECL) or low-voltage differential signaling (LVDS) line side interfaces and to system-side devices through POS-PHY level 3 or Utopia Level 2/3 interfaces.