Intel's 28F256A CMOS flash memory offers the most cost-effective and reliable alternative for updatable non-volatile memory. The 28F256A adds electrical chip-erasure and reprogramming to familiar EPROM technology. Memory contents can be erased and reprogrammed: in a test socket; in a PROM-programmer socket; on-board during subassembly test; in-system during final test; and in-system after-sale. The 28F256A increases memory flexibility, while contributing to time- and cost-savings. The 28F256A is targeted for alterable code- or data-storage applications where traditional EEPROM functionality (byte-erasure) is either not required or not cost-effective. The 28F256A can also be applied where EPROM ultraviolet erasure is impractical or time-consuming.
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