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H8S2245 데이터시트(PDF) 584 Page - Renesas Technology Corp

부품명 H8S2245
상세설명  Renesas 16-Bit Single-Chip Microcomputer H8S Family / H8S/2200 Series
PDF  818 Pages
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제조업체  RENESAS [Renesas Technology Corp]
홈페이지  http://www.renesas.com
Logo RENESAS - Renesas Technology Corp

H8S2245 데이터시트(HTML) 584 Page - Renesas Technology Corp

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Section 16 ROM
Rev.3.00 Mar. 26, 2007 Page 542 of 772
REJ09B0355-0300
16.5.4
Reliability of Programmed Data
An effective way to assure the data retention characteristics of the programmed chips is to bake
them at 150°C, then screen them for data errors. This procedure quickly eliminates chips with
PROM cells prone to early failure.
Figure 16.6 shows the recommended screening procedure.
Mount
Program chip and verify data
Bake chip for 24 to 48 hours at
125
°C to 150°C with power off
Read and check program
Figure 16.6 Recommended Screening Procedure
If a series of programming errors occurs while the same PROM programmer is being used, stop
programming and check the PROM programmer and socket adapter for defects.
Please inform Renesas of any abnormal conditions noted during or after programming or in
screening of program data after high-temperature baking.



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