No.:T1091 PR No: E95060576 Testing Engineer Report Review Laboratory Head Issue Date: 2006/09/10 Integrated Service Technology Inc. 1F, No.22, Pu-Ding., Hsin-Chu, Taiwan, R.O.C. TEL: (03) 5782266 FAX: (03) 5634868 TQP-23-02 Rev:04 No.:T1091 PR No: E95060576 CONTENTS 1. 2 2. 2 3. 3 4. 4 5. MTTF 5~6 6. 7~11 Integrated Service Technology Inc. 1F, No.22, Pu-Ding., Hsin-Chu, Taiwan, R.O.C. TEL: (03) 5782266 FAX: (03) 5634868 Page 1 of 11 No.:T1091 PR No: E95060576 1. ( ) : : 21 6 : 2. : 09/05/2006 : 08/12/2006 : Operating Life Test( ) : Refer to JESD22-A108-B Test Method (Customer’s Condition:85 90%RH 500hrs PS1:5V,VIH:5V) : RA8803(QFP100) Testing Operating Life Test ( Item )…………. ………………………………… Page 11 11 Integrated Service Technology Inc. 1F, No.22, Pu-Ding., Hsin-Chu, Taiwan, R.O.C. TEL: (03) 5782266 FAX: (03) 5634868 Page 2 of 11 No.:T1091 PR No: E95060576 3. 3.1 THS-D5C-100 06-06-BCC-304-01 3.2 23 5 55%± 10% RH 3.3 / RA8803(QFP100) 42ea 3.4 85 90%RH PS1:5V, VIH:5V 500hours Integrated Service Technology Inc. 1F, No.22, Pu-Ding., Hsin-Chu, Taiwan, R.O.C. TEL: (03) 5782266 FAX: (03) 5634868 Page 3 of 11 No.:T1091 PR No: E95060576 4. 4. 1 4. 2 ( Functional Test ) Integrated Service Technology Inc. 1F, No.22, Pu-Ding., Hsin-Chu, Taiwan, R.O.C. TEL: (03) 5782266 FAX: (03) 5634868 Page 4 of 11 No.:T1091 PR No: E95060576 5. MTTF MTTF Formula Product name: RA8803 Sample sizes : 42EA Fail :0ea Tj at stress condition:85 Tj at use conditions:55 The failure rate in FITS : λ= X 2 1− Test Time:500hrs α 2 R + 2 109 100 2 × AF × DH × SS AF= AFT*AFV Thermal Acceleration Factor : 1 eV 1 − k Tr Ttest AFT = e k: 8.617 * 10−5 eV / K Voltage Acceleration Factor : AFV = e β [E S − E N ] β : Voltage Acceleration Constant E S : Stress Voltage EN : Nominal Voltage AFT( 55°C −85°C ) = e eV 1 1 − k Tr Ttest =e 0.7 1 1 − 8.617*10 −5 328 358 =8 AFV = e β [VS −VN ] = e β [5.5−5] = 1 AF = AFT * AFV = 8 Integrated Service Technology Inc. 1F, No.22, Pu-Ding., Hsin-Chu, Taiwan, R.O.C. TEL: (03) 5782266 FAX: (03) 5634868 Page 5 of 11 No.:T1091 PR No: E95060576 λ= MTTF = 1 λ 1 λ α 2 R + 2 10 9 100 2 × AF × DH × SS × 10 9 = 72671 λ= MTTF = X ` 1− X ` 1− α 4.605 × 10 9 = = 13761( FITS ) 2 × 8 × 42 × 500 (Device-hour) 2 R + 2 109 100 2 × AF × DH × SS × 10 9 = 182571 1.833 × 109 = = 5477( FITS ) 2 × 8 × 42 × 500 (Device-hour) Integrated Service Technology Inc. 1F, No.22, Pu-Ding., Hsin-Chu, Taiwan, R.O.C. TEL: (03) 5782266 FAX: (03) 5634868 Page 6 of 11 No.:T1091 PR No: E95060576 Integrated Service Technology Inc. 1F, No.22, Pu-Ding., Hsin-Chu, Taiwan, R.O.C. TEL: (03) 5782266 FAX: (03) 5634868 Page 7 of 11 No.:T1091 PR No: E95060576 Integrated Service Technology Inc. 1F, No.22, Pu-Ding., Hsin-Chu, Taiwan, R.O.C. TEL: (03) 5782266 FAX: (03) 5634868 Page 8 of 11 No.:T1091 PR No: E95060576 Integrated Service Technology Inc. 1F, No.22, Pu-Ding., Hsin-Chu, Taiwan, R.O.C. TEL: (03) 5782266 FAX: (03) 5634868 Page 9 of 11 No.:T1091 PR No: E95060576 Integrated Service Technology Inc. 1F, No.22, Pu-Ding., Hsin-Chu, Taiwan, R.O.C. TEL: (03) 5782266 FAX: (03) 5634868 Page 10 of 11 No.:T1091 PR No: E95060576 Integrated Service Technology Inc. 1F, No.22, Pu-Ding., Hsin-Chu, Taiwan, R.O.C. TEL: (03) 5782266 FAX: (03) 5634868 Page 11 of 11