<SEC-DOCUMENT>0001558370-23-010658-index.html : 20230531
<SEC-HEADER>0001558370-23-010658.hdr.sgml : 20230531
<ACCEPTANCE-DATETIME>20230531152642
ACCESSION NUMBER:		0001558370-23-010658
CONFORMED SUBMISSION TYPE:	SD
PUBLIC DOCUMENT COUNT:		2
<RULE>
<RULE-NAME>13p-1
<ITEM>
<ITEM-NUMBER>1.01
<ITEM-PERIOD>20221231
</ITEM>
<ITEM>
<ITEM-NUMBER>1.02
<ITEM-PERIOD>20221231
</ITEM>
</RULE>
FILED AS OF DATE:		20230531
DATE AS OF CHANGE:		20230531

FILER:

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			PDF SOLUTIONS INC
		CENTRAL INDEX KEY:			0001120914
		STANDARD INDUSTRIAL CLASSIFICATION:	SERVICES-PREPACKAGED SOFTWARE [7372]
		IRS NUMBER:				251701361
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		SD
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	000-31311
		FILM NUMBER:		23980676

	BUSINESS ADDRESS:	
		STREET 1:		2858 DE LA CRUZ BOULEVARD
		CITY:			SANTA CLARA
		STATE:			CA
		ZIP:			95050
		BUSINESS PHONE:		4082807900

	MAIL ADDRESS:	
		STREET 1:		2858 DE LA CRUZ BOULEVARD
		CITY:			SANTA CLARA
		STATE:			CA
		ZIP:			95050
</SEC-HEADER>
<DOCUMENT>
<TYPE>SD
<SEQUENCE>1
<FILENAME>tmb-20230531xsd.htm
<DESCRIPTION>SD
<TEXT>
Document 1 - file: tmb-20230531xsd.htm
</DOCUMENT> <DOCUMENT> <TYPE>EX-1.01 <SEQUENCE>2 <FILENAME>tmb-20230531xex1d01.htm <DESCRIPTION>EX-1.01 <TEXT> Document 2 - file: tmb-20230531xex1d01.htm
</DOCUMENT> </SEC-DOCUMENT>