Nicodim UNGUR


28-30 PORŢI LOGICE INTEGRATE TTL

TTL LOGIC GATES INTEGRATED CIRCUITS
Transistor–transistor logic (TTL) is a class of digital circuits built from bipolar junction transistors (BJT) and resistors. It is called transistor–transistor logic because both the logic gating function and the amplifying function are performed by transistors (contrast with RTL and DTL). TTL is notable for being a widespread integrated circuit (IC) family used in many applications such as computers, industrial controls, test equipment and instrumentation, consumer electronics, synthesizers etc. The designation TTL is sometimes used to mean TTL-compatible logic levels, even when not associated directly with TTL integrated circuits, for example as a label on the inputs and outputs of electronic instruments. Successors to the original bipolar TTL logic often are interchangeable in function with the original circuits, but with improved speed or lower power dissipation.
Keywords: family of logic circuits, bipolar, evaluation tests, scale correction

Cuvinte cheie: familie de circuite logice, tranzistoare bipolare, probe de evaluare, barem de corectare

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