Micross Components has introduced a 32K x 8 EEPROM – 5 Volt, Byte Alterable device as a standard product. This product is in stock and available for back order through All Tech Electronics. Contact your All Tech representative with any questions you may have about this product family. The following is a description of the device and a downloadable spec sheet in PDF format.


The MYXX28HC256 is a high performance CMOS 32K x 8 E2PROM. It is fabricated with a textured poly floating gate technology, providing a highly reliable 5 Volt only nonvolatile memory. The MYXX28HC256 supports a 128-byte page write operation, effectively providing a 24ms/byte write cycle and enabling the entire memory to be typically rewritten in less than 0.8 seconds. The MYXX28HC256 also features DATA Polling and Toggle Bit Polling, two methods of providing early end of write detection. The MYXX28HC256 also supports the JEDEC standard Software Data Protection feature for protecting against inadvertent writes during power-up and power-down. Endurance for the MYXX28HC256 is specifi ed as a minimum 100,000 write cycles per byte and an inherent data retention of 100 years.

Datasheet: Micross – MYXX28HC256

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Posted in Micross on Wednesday, December 18th, 2013