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Digital Electronics - Integrated-Circuit Logic Families - Discussion

Discussion Forum : Integrated-Circuit Logic Families - General Questions (Q.No. 13)
Integrated-Circuit Logic Families
13.

What type of circuit is shown below, and how is the output ordinarily connected?

It is an open-collector gate and is used to drive loads that cannot be connected directly to Vcc due to high noise levels.
It represents an active-LOW inverter and is used in negative logic systems.
It is an open-collector gate. An external load must be connected between the output terminal and an appropriate supply voltage.
Any of the above could be correct, depending on the specific application involved.
Answer: Option
Explanation:
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