Differential current switch—High performance at low power
1991; IBM; Volume: 35; Issue: 3 Linguagem: Inglês
10.1147/rd.353.0313
ISSN2151-8556
AutoresE. B. Eichelberger, Stephen E. Bello,
Tópico(s)Advancements in Semiconductor Devices and Circuit Design
ResumoThe recent IBM System/390™ announcement includes six high-performance air-cooled models that use a low-power variation of emitter-coupled logic (ECL). This new logic family, called differential current switch (DCS), uses differential signal pairs to represent logic signals, and combines two-level cascode logic with dotting to implement a complete set of logic circuits. These DCS circuits are described in detail, and the relative value of the DCS and ECL logic families is discussed extensively.
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