1 EXHIBIT 23.1 CONSENT OF INDEPENDENT ACCOUNTANTS We hereby consent to the incorporation by reference in the Registration Statements on Form S-8 (No. 333-92449 and 333-10041) of Catalyst Semiconductor, Inc. of our report dated May 23, 2001 relating to the financial statements and financial statement schedule, which appears in this Form 10-K. /S/ PricewaterhouseCoopers LLP San Jose, California July 23, 2001