⌘K

Contents

Digital Electronics

Number Systems

Binary Number System Octal Number System Hexadecimal Number System Number System Conversions Binary Addition Binary Subtraction 1s Complement 2s Complement Signed Number Representation BCD Code Gray Code Excess-3 Code ASCII Code Error Detection Codes Hamming Code

Logic Gates

AND Gate OR Gate NOT Gate NAND Gate NOR Gate XOR Gate XNOR Gate Universal Gates NAND Universal Gates NOR Multi-Input Gates Buffer Gate TTL Logic Family CMOS Logic Family TTL vs CMOS Comparison Logic Level Interfacing

Boolean Algebra

Boolean Algebra Axioms Boolean Algebra Theorems De Morgan Theorem 1 De Morgan Theorem 2 De Morgan Applications Boolean Expression Simplification Canonical SOP Form Canonical POS Form Minterm and Maxterm Relationship K-Map 2 Variable K-Map 3 Variable K-Map 4 Variable K-Map Don't Care Conditions K-Map POS Simplification Quine-McCluskey Method Prime Implicant Chart

Combinational Circuits

Sequential Circuits

Memory & PLDs

ROM Architecture PROM EPROM and EEPROM SRAM DRAM SRAM vs DRAM Flash Memory PLA PAL CPLD FPGA Architecture FPGA vs ASIC

Digital System Design

Propagation Delay Setup and Hold Time Static Hazards Dynamic Hazards Glitches and Races Synchronous Design Principles Clock Skew and Jitter Asynchronous Circuit Design

Other Topics

Other Subjects

Analog Electronics Signals & Systems Control Systems Electromagnetic Theory Digital Communication Analog Communication Network Analysis Microprocessors VLSI Design Verilog HDL Power Electronics Embedded Systems DSP Electronic Devices

Section Progress13%

1 of 8 articles

Propagation Delay

Gate delay, path delay, critical path identification.

Updated: 19 March 2026

5 min read

Propagation Delay Quiz

Test your ability to compute gate delays, identify critical paths, and apply delay models.

Question 1 of 3

Q1.A combinational circuit has three paths from input to output with delays of 12 ns, 18 ns, and 15 ns. What is the minimum clock period that can be applied to a register capturing this output, assuming zero setup time?

Related Articles

Asynchronous Circuit Design

Handshake protocols, self-timed circuits.

10 min read

Synchronous Design Principles

Single clock domain, pipelining, timing closure.

8 min read

Dynamic Hazards

Multiple output transitions, causes and prevention.

11 min read

Glitches and Races

Race conditions, essential hazards in async circuits.

8 min read

Clock Skew and Jitter

Clock distribution, skew effects, jitter sources.

10 min read

Setup and Hold Time