2. - RAiO Technology Inc.

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