11577-11

www.DataSheet4U.com Construction Analysis Rockwell 11577-11 Digital Correlator Report Number: SCA 9707-546 n Servi g the G lo b a e lS miconductor In d us try 17350 N. Hartford Drive Scottsdale, AZ 85255 Phone: 602-515-9780 Fax: 602-515-9781 e-mail: [email protected] Internet: http://www.ice-corp.com Since 1964 ® www.DataSheet4U.com INDEX TO TEXT TITLE INTRODUCTION MAJOR FINDINGS TECHNOLOGY DESCRIPTION Assembly Die Process ANALYSIS RESULTS I Assembly ANALYSIS RESULTS II Die Process and Design ANALYSIS PROCEDURE TABLES Overall Evaluation Package Markings Wirebond Strength Die Material Analysis Horizontal Dimensions Vertical Dimensions PAGE 1 1 2 2-3 4 5-7 8 9 10 10 10 11 12 -i- www.DataSheet4U.com INTRODUCTION This report describes a competitive analysis of the Rockwell 11577-11 digital correlator. One device packaged in a 144-pin Square Quad Flat Package (SQFP) was received for the analysis. The device was taken from a GPS receiver chipset manufactured by IST. The IC was date coded 9636. MAJOR FINDINGS Questionable Items:1 Metal 2 aluminum thinned up to 100 percent2 at some locations of some vias. Barrier metal remained intact to provide continuity. Metal 1 aluminum thinned up to 100 percent2 at some locations of some contacts. Barrier metal remained intact to provide continuity. Special Features: Titanium silicided diffusion structures. 1These items present possible quality or reliability concerns. They should be discussed with the manufacturer to ...