The output stage of a TTL gate is a special design called ________
Which of the following logic families has the highest maximum clock frequency
Which of the following logic families has the highest noise margin
________ output levels would not be a valid LOW for a TTL gate
All of the above.
Fan-out for a typical TTL gate is ________
Which of the following will not normally be found on a data sheet
Maximum LOW level output voltage
Maximum HIGH level input current
Minimum HIGH level output voltage
Minimum LOW level output voltage
Refer the givenfigure.
Which of the following describes the operation of the circuit
A HIGH input turns Q1, Q2, and Q3 off, and Q4 is on.
A LOW input turns Q1 and Q4 off; Q2 and Q3 are on.
A LOW input turns Q1 and Q3 on; Q2 and Q4 are off.
A HIGH input turns Q1, Q2, and Q4 on; Q3 is off.
When VGS = 0 on an N-channel MOSFET switch, there is no ________ between the source and the drain
The ________ is defined as the maximum number of standard logic inputs that an output can drive reliably
Which of the following statements apply to CMOS devices
All of the above.
All tools, test equipment, and metal workbenches should be tied to earth ground.
The devices should not be inserted into circuits with the power on.
The devices should be stored and shipped in antistatic tubes or conductive foam.
The bipolar TTL logic family that was developed to increase switching speed by preventing transistor saturation is
emitter-coupled logic (ECL).
transistor-transistor logic (TTL).
emitter-coupled logic (ECL) and transistor-transistor logic (TTL).
current-mode logic (CML).
A logic probe is placed on the input of a digital circuit and the probe lamp blinks slowly, indicating ________
that the supply voltage is low
that an open or bad logic level exists
a high-frequency pulse train
a high level output
The proliferation of small handheld consumer equipment such as digital video cameras, cellular phones, handheld computers (________), portable audio systems, and other devices has created a need for logic circuits in very small packages
When the outputs of several open-collector TTL gates are connected together, the gate outputs ________
produce more voltage
are ANDed together
usually burn out
produce more fan-out
Generally, the voltage measured at an unused TTL input would typically be measured between
0 to 1.8 V.
1.4 to 1.8 V.
0 to 5 V.
0.8 to 5 V.
What type of logic circuit is shown below and what logic function is being performed
It is a PMOS NAND gate.
It is an NMOS AND gate.
It is a CMOS AND gate.
It is a CMOS NOR gate.
The IEEE/ANSI notation of an internal underlined diamond denotes
Logic circuits that are designated as buffers, drivers, or buffer/drivers are designed to have
a greater current/voltage capability than an ordinary logic circuit.
greater input and output current/voltage capability than an ordinary logic circuit.
greater input current/voltage capability than an ordinary logic circuit.
a smaller output current/voltage capability than an ordinary logic.
________ is about twice as fast as P-MOS
What are the major differences between the 5400 and 7400 series of ICs
The 5400 series are military grade and allow for a wider range of supply voltages and temperatures.
The 5400 series are military grade and require tighter supply voltages and temperatures.
The 7400 series are an improvement over the original 5400s.
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