Digital Electronics - Integrated Circuit Technologies

Exercise :: Integrated Circuit Technologies - General Questions

11. 

The active switching element used in all TTL circuits is the ________.

A. bipolar junction transistor (BJT)
B. field-effect transistor (FET)
C. metal-oxide semiconductor field-effect transistor (MOSFET)
D. unijunction transistor (UJ)

Answer: Option A

Explanation:

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12. 

An open-collector output requires ________.

A. a pull-down resistor
B. a pull-up resistor
C. no output resistor
D. an output resistor

Answer: Option B

Explanation:

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13. 

Most TTL logic used today is some form of ________.

A. Schottky TTL
B. tristate TTL
C. low-power TTL
D. open-collector TTL

Answer: Option A

Explanation:

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14. 

A standard TTL circuit with a totem-pole output can sink, in the LOW state (IOL(max)), ________.

A. 16 mA
B. 20 mA
C. 16 A
D. 20 A

Answer: Option A

Explanation:

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15. 

One output structure of a TTL gate is often referred to as a ________.

A. totem-pole arrangement
B. diode arrangement
C. JBT arrangement
D. base, emitter, collector arrangement

Answer: Option A

Explanation:

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