Contact Us News Blog Join MyCML Login Search for: Products Applications Technologies About Us How To Buy Reliability Home / Reliability Design for Reliability New products are only approved for production after undergoing the CML approved formal design process that has been certified to ISO 9001:2015. A design authority is allocated at the conceptual stage of the project. This person is responsible for the technical aspects of the design, both throughout the design stages and during the lifetime of the product. Design rules automatically check and ensure that IC layouts comply with the appropriate requirements for the design and technology. Design verification includes automated simulation, design checking, layout checking, evaluation of prototypes and characterisation. Design reviews are held at critical stages throughout the design. This ensures that all necessary requirements have been met before continuing on to the next stage of the design process. Manufacture for Reliability Package manufacturing is carried out at the CML assembly facility certified to ISO 9001:2015 or by similarly qualified outside sources. A process owner is allocated to each process used within the CML production life cycle. The person is responsible for all process qualification and approval. The CML Quality Managers are responsible for ensuring that reliability qualification tests are planned, carried out, and any problems resolved. Reliability Qualification Test Items and Conditions Typical conditions for reliability qualification tests are illustrated below: Test Items Test Conditions Reference Standard Qualification Sample Action Life Test Operating Life Test TA 125°C : 1000 hours Mil Std 883K Method 1005.10 40 Minimum (normally77) Report FIT Rate Stress Test Latchup 1.5 x Vdd max. 100mA max. I trigger -0.5 x Vdd max -100mA max I trigger 1.5 x Vdd max V supply volts overload EIA/JESD78D 6 Results as Recorded ESD Human Model up to 4000V Mil Std 883K Method 3015.8 6 Results as Recorded Environmental Test Temperature Cycle[1] -65°C to 150°C : 500 cycles Cycles Mil Std 883K Method 1010.8 45 Accept/Reject 0 / 1 High Temperature Store TA 150°C : 1000 hours Mil Std 883K Method 1008.2 45 Accept/Reject 0 / 1 Low Temperature Store TA -65°C : 1000 hours EIAJ ED- 4701/202 45 Accept/Reject 0 / 1 PCT 121°C RH 100% : 96 hours JESD22-A102E 45 Accept/Reject 0 / 1 Thermal Shock -65°C to +150°C : 100 cycles or -55°C to +125°C : 300 cycle Mil Std 883K Method 1011.9 45 Accept/Reject 0 / 1 Mechanical Test Resistance to Soldering Heat Test 260°±5° C Mil Std 750-2A Method 2031.5 Condition B 10 Accept/Reject 0 / 1 Solderability 245°C : 5 seconds Flux Used Mil Std 883K Method 2003.9 10 Accept/Reject 0 / 1 Lead Fatigue Bend 90° 3 cycles Mil Std 883K Method 2004.6 10 Accept/Reject 0 / 1 Lead Tension 250 grams pull 30 seconds Mil Std 883K Method 2004.6 10 Accept/Reject 0 / 1 Marking Permanence 3 Solvent Solutions 1 Minute Soak 30 Brush Strokes Mil Std 883K Method 2015.13 8 per Solvent Accept/Reject 0 / 1 [1] May be replaced by Thermal Shock Site map Home Company Overview Global Sales Network Careers Contact Us Follow us Our worldwide offices