Wiley sells a direct eTextbook version. Price: $120 for 180-day rental or $160 for perpetual access. This is legal, searchable PDF-equivalent, and includes highlighting and note-taking.
You don't have to pay full retail. Here is the smart way to get the official digital version:
| Feature | 2nd Edition (2013) | 3rd Edition (2015) | Updated 3rd (2021) | |--------|-------------------|--------------------|--------------------| | Page count | 912 | 1024 | ~1050 | | Chapters | 17 | 18 | 18 | | STM (Short-Channel) coverage | Minimal | Moderate | Extensive | | Process variation effects | Basic | Good | Advanced | | CAD problems | None | Few | 15+ new SPICE simulations | | COVID/remote learning updates | No | No | Online instructor resources | razavi microelectronics 3rd pdf updated
The "updated" version focuses heavily on modern deep-submicron CMOS (28nm and below), something missing from earlier editions. Razavi added:
Important: The cover says "Third Edition" but the copyright page will say "Updated Edition, 2021." The ISBN for the updated hardcover is 978-1119818188. Wiley sells a direct eTextbook version
If you are deciding whether to hunt for the PDF, here is what makes this edition unique:
| Chapter | Title | Key Updated Content | |---------|-------|----------------------| | 1-3 | Basic Physics & Diodes | Added 5nm FinFET band diagrams | | 4 | Physics of MOS Transistors | NEW: Velocity saturation, DIBL, and channel-length modulation for sub-100nm | | 5-7 | Single-stage & Diff Amps | NEW: Body effect in FDSOI | | 8 | Passive & Active Current Mirrors | Updated layout techniques for matching | | 9-10 | Frequency Response & Noise | NEW: Flicker noise in GaN HEMTs | | 11-12 | Feedback & Op Amps | NEW: Two-stage Miller compensation with nulling resistor (better than previous editions) | | 13-15 | Stability, Filters, Oscillators | Added 10 practice problems on PLL phase noise | | 16-18 | CMOS/BiCMOS & Advanced Topics | ENTIRELY NEW: Short-channel effects in 28nm CMOS | Important: The cover says "Third Edition" but the
If you only have the 2nd edition or an early 3rd edition print, you are missing ~50 pages on FinFET modeling and a complete rewrite of the op-amp slew rate analysis.
The new hardcover retails for $180–$220 USD. For a college student, that’s often two weeks of groceries.
Engineering students are often on a tight budget. The hardcover 3rd edition retails for $150–$200 USD. Many seek a digital copy (PDF) for convenience—searchable text, portability on a tablet, and Ctrl+F functionality for finding concepts like “transconductance” or “PSRR” instantly.