EEPROMs are available in densities from 2KB to 512KB

11th March 2015
Posted By : Siobhan O'Gorman
EEPROMs are available in densities from 2KB to 512KB

 

Automotive-qualified serial EEPROMs in a 2x3mm WFDFPN8 package are now available from STMicroelectronics. The devices provide engineers maximum flexibility when designing highly integrated body controllers and gateways, as well as radar and camera modules for ADAS.

Using a discrete serial EEPROM for data and parameter storage can help simplify design while offering maximum upgrade flexibility. Limited memory package and density options have prevented taking full advantage of this approach in the most space-constrained applications, but ST is now offering an automotive-qualified WFDFPN8 package in all densities from 2KB to 512KB. In addition, both I2C and SPI serial interfaces are supported.

The WFDFPN8 outline has already proved popular in consumer-electronics applications, and ST has now created a rugged version capable of withstanding automotive environments. The EEPROMs have passed AEC-Q100 grade 0 reliability criteria tests and operate up to 125°C. Further advantages include 4ms write time for fast parameter storage; clock frequency up to 20MHz for rapid data exchanges; and built-in traceability and security features. These include a dedicated page for software identification and a write-lockable page to keep sensitive data secure.

ST’s Automotive EEPROM devices are available immediately to fulfill sample or production orders.


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