Practice - Interfacing with Different Logic Families
Practice Questions
Test your understanding with targeted questions
What voltage level is typically used for both CMOS and TTL in a compatible interface?
💡 Hint: Think about the common power supply used for both families.
What is a common solution for making TTL outputs compatible with CMOS inputs?
💡 Hint: Consider what helps raise the voltage level in TTL outputs.
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Interactive Quizzes
Quick quizzes to reinforce your learning
What is the minimum high output voltage for a CMOS device operating at 5V?
💡 Hint: Recall the specification related to CMOS outputs.
True or False: TTL outputs are inherently compatible with CMOS inputs without any interface components.
💡 Hint: Consider the voltage levels needed for each logic family.
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Challenge Problems
Push your limits with advanced challenges
Given a CMOS device with an output capability of 2 mA, can it effectively drive a high-power TTL device that requires 1.5 mA when high?
💡 Hint: Compare the current details of both devices carefully.
If a TTL device outputs 0.8V for LOW and requires a minimum of 2.5V for the HIGH, how can you adjust the interfacing to meet the CMOS high threshold?
💡 Hint: Think about how resistors manipulate voltage in a circuit.
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Reference links
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