Recommended usage of Microchip UNI/O bus-compatible serial EEPROMs

The majority of embedded control systems require non-volatile memory. Because of their small footprint, byte level flexibility, low I/O pin requirement, low-power consumption and low cost, serial EEPROMs are a popular choice for non-volatile storage. Microchip Technology has addressed this need by offering a full line of serial EEPROMs covering industry-standard serial communication protocols for the UNI/O bus, two-wire (I?C), three-wire (Microwire), and SPI communication. Serial EEPROM devices are available in a variety of densities, operational voltage ranges and packaging options.

In order to achieve a highly robust application when utilizing serial EEPROMs, the designer must consider more than just the data sheet specifications.

There are a number of conditions that could potentially result in nonstandard operation. The details of these conditions depend greatly on the serial protocol used.

This application note provides assistance and guidance with the use of Microchip UNI/O bus-compatible serial EEPROMs. These recommendations are not meant as requirements; however, their adoption will lead to a more robust overall design.

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