Most engineering schools offer digital access via the McGraw-Hill AccessEngineering platform.
Please note that some of these sources may require registration or subscription to access the pdf.
In the fast-paced semiconductor industry, having a searchable PDF version of Van Zant’s guide is an invaluable asset.
Do not risk the malware of a shady PDF. Check WorldCat for a library copy, buy a used 5th or 6th edition on eBay for $20, or rent the digital edition legitimately. The knowledge inside—worth thousands of dollars in career skills—is far more valuable than the price tag of the book.