View detail for AT27C800 Reliability Qualification Report

PAGE 1 OF 3
ATMEL CORPORATION
Tel:(408)441-0311
Fax:(408)436-4200
AT-27C800 FLASH RELIABILITY DATA
- 150°C RETENTION BAKE (PLASTIC)
- 125°C DYNAMIC LIFETEST (PLASTIC)
JULY 2003
2325 Orchard Parkway San Jose CA. 95131
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AT-27C800
PLASTIC PACKAGE
150°C RETENTION BAKE
LOT
NUMBER
DATE
CODE
SAMPLE
SIZE
TOTAL NUMBER
HOURS (K)
NUMBER OF
FAILURES
9A2729
9A9919
503
503.0
0
9A3186
9A9929
249
249.0
0
9B2297A
9B9935
250
250.0
0
FAILURE RATE
TOTAL DEVICE HOURS
BEST ESTIMATE
1,002,000 DEVICE HOURS
λ
= 0.07% PER 1,000 HOURS
λ
EXTRAPOLATION TO 50°C VIA
ARRHENNIUS EQUATION AND
ACTIVATION ENERGY OF 0.5eV
= 0.001% PER 1,000 HOURS (10 FITS)
50°C AMBIENT
CONFIDENCE ESTIMATE
λ
λ
60 = 0.001% PER 1,000 HOURS
60% CONFIDENCE (13 FITS)
90 = 0.003% PER 1,000 HOURS
90% CONFIDENCE (33 FITS)
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AT-27C800
PLASTIC PACKAGE
125°C DYNAMIC LIFETEST
LOT
NUMBER
DATE
CODE
SAMPLE
SIZE
TOTAL NUMBER
HOURS (K)
NUMBER OF
FAILURES
9B2297A
9B9935
200
200.0
0
9A3441
9A9925
250
250.0
0
9A3186
9A9929
250
250.0
0
FAILURE RATE
TOTAL DEVICE HOURS
BEST ESTIMATE
700,000 DEVICE HOURS
λ
= 0.1% PER 1,000 HOURS
λ
EXTRAPOLATION TO 50°C VIA
ARRHENNIUS EQUATION AND
ACTIVATION ENERGY OF 0.5eV
= 0.003% PER 1,000 HOURS (34 FITS)
50°C AMBIENT
CONFIDENCE ESTIMATE
λ
λ
60 = 0.005% PER 1,000 HOURS
60% CONFIDENCE (45 FITS)
90 = 0.01% PER 1,000 HOURS
90% CONFIDENCE (111 FITS)