3-E-033: Types of Logic
3-33E1:
What is the voltage range considered to be valid logic low input in a TTL device operating at 5 volts?
Zero to 0.8 volts.
2.0 to 5.5 volts.
-2.0 to -5.5 volts.
5.2 to 34.8 volts.
3-33E2:
What is the voltage range considered to be a valid logic high input in a TTL device operating at 5.0 volts?
2.0 to 5.5 volts.
1.5 to 3.0 volts.
1.0 to 1.5 volts.
5.2 to 34.8 volts.
3-33E3:
What is the common power supply voltage for TTL series integrated circuits?
5 volts.
12 volts.
13.6 volts.
1 volt.
3-33E4:
TTL inputs left open develop what logic state?
A high-logic state.
A low-logic state.
Open inputs on a TTL device are ignored.
Random high- and low-logic states.
3-33E5:
Which of the following instruments would be best for checking a TTL logic circuit?
Logic probe.
VOM.
DMM.
Continuity tester.
3-33E6:
What do the initials TTL stand for?
Transistor-transistor logic.
Resistor-transistor logic.
Diode-transistor logic.
Emitter-coupled logic.
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