Digital Systems Design with VHDL and Synthesis: An Integrated Approach
K.C. Chang presents an integrated approach to digital designprinciples, processes, and implementations to help the readerdesign increasingly complex systems within shorter design cycles.Chang introduces digital design concepts, VHDL coding, VHDLsimulation, synthesis commands, and strategies together.
Digital Systems Design with VHDL and Synthesis focuses onthe ultimate product of the design cycle: the implementation of adigital design. Many of the design techniques and considerationsillustrated in the text are examples of actual real-worlddesigns.
Unique features of the book include the following:
- VHDL code explained line by line to capture the logic behindthe design concepts
- Simulation waveforms, synthesized schematics, and results areshown, verified, and analyzed
- VHDL code is synthesized and commands and strategies arediscussed
- Variations on the design techniques and common mistakes areaddressed
- Demonstrated standard cell, gate array, and FPGA three designprocesses, each with a complete design case study
- Test bench, post-layout verification, and test vectorgeneration processes are illustrated
Why Read This Book
You will learn how to turn digital design ideas into working hardware by writing synthesizable VHDL, reading simulation waveforms, and interpreting synthesized schematics. The book pairs line-by-line VHDL explanations with real-world implementation examples so you can shorten design cycles and avoid common synthesis pitfalls.
Who Will Benefit
Engineers and advanced students with basic digital design knowledge who want to write synthesizable VHDL and take designs through simulation, synthesis, and FPGA/PLD implementation.
Level: Intermediate — Prerequisites: Basic digital logic (combinational and sequential circuits), familiarity with Boolean algebra and timing concepts, and basic programming experience (helpful but not required).
Key Takeaways
- Write synthesizable VHDL code and recognize language constructs that map cleanly to hardware.
- Simulate designs and interpret waveforms to validate functional behavior before synthesis.
- Invoke synthesis flows and use synthesis commands/constraints to control implementation.
- Analyze synthesized schematics and relate RTL/VHDL to gate- and netlist-level results.
- Optimize designs for area, speed, and resource usage for FPGA/PLD targets.
- Design and implement common building blocks (FSMs, datapaths, memories, arithmetic) with testbenches and example implementations.
Topics Covered
- 1. Introduction to Digital Systems Design and Implementation
- 2. Review of Combinational and Sequential Logic
- 3. VHDL Language Fundamentals (types, operators, concurrent/serial statements)
- 4. Dataflow, Behavioral, and Structural Modeling in VHDL
- 5. Writing Synthesizable VHDL: Coding Styles and Guidelines
- 6. Finite State Machines and Control Structures
- 7. Datapath Design, Registers, and Memory Modeling
- 8. Testbenches, Simulation Techniques, and Waveform Analysis
- 9. Synthesis Basics: Flows, Constraints, and Synthesis Commands
- 10. Mapping VHDL to PLDs and FPGAs (implementation considerations)
- 11. Timing Analysis, Optimization, and Resource Trade-offs
- 12. Case Studies and Real-World Design Examples
- 13. Appendices: VHDL Reference and Synthesis Notes
Languages, Platforms & Tools
How It Compares
Compared with Peter Ashenden's The Designer's Guide to VHDL (a thorough language reference), Chang is more hands-on and implementation-focused; compared with Brown & Vranesic's texts, Chang emphasizes the synthesis and mapping step from VHDL to hardware.












