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M38B57MC Fiches technique(PDF) 61 Page - Mitsubishi Electric Semiconductor |
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M38B57MC Fiches technique(HTML) 61 Page - Mitsubishi Electric Semiconductor |
61 / 69 page MITSUBISHI MICROCOMPUTERS 38B5 Group SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER 61 PRELIMINAR Y Notice: This is not a final specification. Some parametric limits are subject to change. DATA REQUIRED FOR MASK ORDERS The following are necessary when ordering a mask ROM produc- tion: (1) Mask ROM Order Confirmation Form (2) Mark Specification Form (3) Data to be written to ROM, in EPROM form (three identical cop- ies) ROM PROGRAMMING METHOD The built-in PROM of the blank One Time PROM version and the EPROM version can be read or programmed with a general purpose PROM programmer using a special programming adapter. Set the address of PROM programmer in the user ROM area. Table 9 Special Programming Adapter Package Name of Programming Adapter 80P6N-A PCA7438F-80A 80D0 PCA7438L-80A The PROM of the blank One Time PROM version is not tested or screened in the assembly process and following processes. To en- sure proper operation after programming, the procedure shown in Figure 72 is recommended to verify programming. Fig. 72 Programming and Testing of One Time PROM Version Programming with PROM programmer Screening (Note) (150°C for 40 hours) Verification with PROM programmer Functional check in target device The screening temperature is far higher than the storage temperature. Never expose to 150 °C exceeding 100 hours. Note: |
Numéro de pièce similaire - M38B57MC |
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Description similaire - M38B57MC |
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