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CHAPTER 9 WRITING TO AND VERIFYING PROGRAM MEMORY (PROM)
9.4 SCREENING OF ONE-TIME PROM
*
Because of its structure, it is difficult for NEC to completely test the one-time PROM product before
shipment. It is therefore recommended that screening be performed to verify the PROM contents after the
necessary data has been written to the PROM and the product has been stored under the following conditions.
Storage Temperature
Storage Time
125°C
24 hours
233
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