Critical Path
Electronics Engineering · Engineering Project Management · Last updated: July 30, 2026 · How this entry was written
Definition: The critical path is the longest path through a digital circuit, determining the maximum clock frequency. It consists of logic gates and interconnections with the overall worst-case propagation delay.
Example in context
“The critical path in the ALU includes the carry chain of the adder, limiting the maximum clock speed of the processor.”
“ALU'daki kritik yol, toplayıcının taşıma zincirini içerir ve işlemcinin maksimum saat hızını sınırlar.”
Where engineers use it
Critical path analysis is essential in timing closure of digital circuits. Engineers identify the critical path to optimize logic depth, add pipelining, or use faster cells to meet timing constraints.
Synonyms: longest path, timing critical path
In Engineering Project Management
The longest continuous chain of dependent activities through a network, which determines the shortest possible completion time. Activities on it have no schedule flexibility, so any delay extends the finish date.
“Delivery of the main transformer sat on the critical path, so a two-week supplier delay pushed the commissioning date back exactly two weeks.”
Practice: can you use “Critical Path” at work?
A design engineer is analyzing the timing report of a synthesized multiplier and notices that the critical path exceeds the target clock period. They need to propose optimizations.
Show a model answer
“What is the critical path for this state machine's next-state logic?”
“Critical Path” in 21 languages
| English | Critical Path |
|---|---|
| Turkish | kritik yol |
| French | chemin critique |
| German | kritischer Pfad |
| Spanish | camino crítico |
| Chinese | 关键路径 |
| Arabic | المسار الحرج |
| Portuguese | caminho crítico |
| Russian | критический путь |
| Japanese | クリティカルパス |
| Italian | percorso critico |
| Vietnamese | đường tới hạn |
| Hindi | क्रांतिक पथ |
| Thai | เส้นทางวิกฤต |
| Indonesian | jalur kritis |
| Korean | 크리티컬 경로 |
| Bengali | ক্রান্তীয় পথ |
| Dutch | kritiek pad |
| Swedish | kritisk väg |
| Finnish | kriittinen polku |
| Ukrainian | критичний шлях |
Frequently asked questions
What does Critical Path mean in engineering?
The critical path is the longest path through a digital circuit, determining the maximum clock frequency. It consists of logic gates and interconnections with the overall worst-case propagation delay. In Electronics Engineering, the term carries a usage-frequency rating of 10/10 in the Engineering English library.
How do you pronounce Critical Path?
Critical Path is pronounced /ˈkrɪtɪkəl pɑːθ/ (IPA). The Engineering English app plays audio for the term and checks your pronunciation with speech recognition.
How is Critical Path used in a sentence?
Example from an engineering context: “The critical path in the ALU includes the carry chain of the adder, limiting the maximum clock speed of the processor.”
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