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.
9-MHz to 400-MHz frequency range -- Differential low-voltage positive emitter-coupled logic (LVPECL) Output, 10.
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.
The wide differential input range easily interfaces to LVDS, low voltage positive emitter-coupled logic (LVPECL), or current-mode logic (CML) input levels and the output levels are fully LVDS compliant.
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.
The wide differential input range easily interfaces to LVDS, low-voltage positive emitter-coupled logic (LVPECL) or current mode logic (CML) input levels.