# Digital Electronics - Integrated Circuit Technologies

### Exercise :: Integrated Circuit Technologies - General Questions

6.

An open-drain gate is the CMOS counterpart of ________.

 A. an open-collector TTL gate B. a tristate TTL gate C. a bipolar junction transistor D. an emitter-coupled logic gate

Answer: Option A

Explanation:

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7.

A TTL NAND gate with IIL(max) of –1.6 mA per input drives eight TTL inputs. How much current does the drive output sink?

 A. –12.8 mA B. –8 mA C. –1.6 mA D. –25.6 mA

Answer: Option A

Explanation:

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8.

The nominal value of the dc supply voltage for TTL and CMOS is ________.

 A. +3 V B. +5 V C. +9 V D. +12 V

Answer: Option B

Explanation:

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9.

Which logic family combines the advantages of CMOS and TTL?

 A. BiCMOS B. TTL/CMOS C. ECL D. TTL/MOS

Answer: Option A

Explanation:

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10.

Which equation is correct?

 A. VNL = VIL(max) + VOL(max) B. VNH = VOH(min) + VIH(min) C. VNL = VOH(min) – VIH(min) D. VNH = VOH(min) – VIH(min)

Answer: Option D

Explanation:

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