Übersetzung für "Logic family" in Deutsch

A typical feature of this logic family is the connection of two bipolar transistors at their emitters.

Depending on the logic family used, other output voltages may also be provided.

By way of example, the individual components may belong to a different logic family than CMOS.

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This logic-optimized FPGA family is ideal for applications requiring high logic densities.

The absolute values of the logical voltage levels are defined within certain limits for each known logic family.

CMOS technology is the most widely used logic family today and is mainly used for integrated circuits.

This allows the transmission rate of the signals to be increased up to the maximum frequency limit of the logic family used.

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This logic-optimized FPGA family is ideal for applications where logic densities matter more than I/O count.

The devices mounted on a PCB themselves possess characteristic impedance and the impedance of the interconnecting PCB traces must be chosen to match the characteristic impedance of the logic family in use.

The ECL (emittercoupled logic) circuits have the shortest switching times of all logic families.

At the first chapter about those circuits, the working principles of several logic families are discussed.

It was therefore quite logical that the family in its extended form should be defined in this report.

Since, as is well known, integrated current sources with high output voltage breakdown strength (30 V for instance) are required in all commonly used logic families, such as relay drivers in switching installations, for example, it would be desirable to achieve a certain amount of uniformity in this respect, so that circuit parts belonging to different logic families can also be more easily combined with each other monolithically.

Unfortunately, the different commonly used logic families have different input and output level definitions, depending on the supply voltage range (for instance: input threshold 1.5 V for TTL and 6 V for LSL).

It is accordingly an object of the invention to provide a monolithically integrable logic circuit which overcomes the hereinafore mentioned disadvantages of the heretofore known devices of this general type, and which has a current source circuit which can be integrated monolithically without difficulty and the input threshold voltage of which is switched, depending on the supply voltage applied, between the two commonly used values of about 1.5 V and about 6 V, so that the circuit is suitable as a current source for all commonly used logic families with supply voltages from about 3 V to more than 30 V.

In the development of monolithically integrated semiconductor circuits, the problem frequently arises in practice of combining logic families based on different technologies, such as circuits of the TLL-series and the LSL-series, the DTL-series, the CMOS-series, etc, for example.

The increased (capacitive) loading of the output has a disadvantageous effect on the delay times in all logic families.

It is necessary in numerous cases to interconnect CMOS circuits with other logic families, including ECL logic circuits.