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resistor transistor logic (RTL)

The circuits of logics differ in the logic elements and in the supply voltages, logic levels and switching times.

NOR gate of an RTL

NOR gate of an RTL

logic Resistor Transistor Logic (RTL) is one of the oldest logic families, it was already developed in the sixties. RTL uses resistors and transistors or diodes as logic elements, then as DTL logic. RTL logics consist of bipolar transistors and resistors. The emitters of all transistors are at reference potential, and the collectors are connected together and have a common working resistor. The supply voltage was 3.6 V.

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Englisch: resistor transistor logic - RTL
Updated at: 24.04.2010
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