Electrical Engineering › Section X · Processors and integrated circuit technologies › Topic X.4
IC operating characteristics and parameters
Two NAND gates with the same truth table can behave very differently on a real board. Supply voltage, noise margins, power, propagation delay and fan-out decide whether a logic circuit works reliably, how fast it runs and how hot it gets.
In this topic
- Beyond the truth table
- The four voltage limits
- Noise margins between families
- Worked example: can one family drive another?
- Power dissipation
- Worked example: static and dynamic power
- Propagation delay and speed-power product
- Loading and fan-out
- Worked example: mixing TTL series
- Common mistakes to avoid
- Key takeaways
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