puorG92/C61M
22. Usage Notes
page 446
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2110-1010B90JER
22.13 Electric Characteristic Differences Between Mask ROM
and Flash Memory Version
Flash memory version and mask ROM version may have different characteristics, operating margin, noise
tolerated dose, noise width dose in electrical characteristics due to internal ROM, different layout pattern,
etc. When switching to the mask ROM version, conduct equivalent tests as system evaluation tests con-
ducted in the flash memory version.