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EEPROM blocks offer low power operation, high data retention

Posted: 08 Mar 2005 ?? ?Print Version ?Bookmark and Share

Keywords:austriamicrosystems? austriamicro? full service foundry? eeprom? tsmc?

austriamicrosystems' business unit Full Service Foundry released what it claims is one of the industry's most reliable embedded EEPROM blocks for its 0.35?m process family. The new EEPROM blocks offer low power operation and high data retention over an extended temperature range by using a PMOS-based NVM technology. They available as an add-on process module to the 0.35?m CMOS process transferred from taiwan semiconductor mfg Co (TSMC).

"Offering high reliable embedded EEPROM blocks as an add-on to our 0.35?m standard CMOS process enables our customers to design highly competitive products, which are increasingly needed in analog mixed signal designs for sensor and bus interfaces, and power management," said Peter Gasteiner, SVP and GM of Full Service Foundry.

The embedded EEPROM blocks contain a bus interface, an internal charge pump and are easy to embed into a chip design. The NV process module was developed especially for low power and low voltage applications, and enables the operation at supply voltage ranges from 1.8V to 3.6V. Write currents of less than 100?A make the process suitable for mobile applications, as well as RFID products. The memory cells can also be configured as EEPROM blocks or Flash memories without any process changes.

The EEPROM process is fully automotive-qualified and is suitable for harsh environment. The silicon-proven memory IP blocks can be obtained from austriamicro based on a one-time license fee. Integration into the product design is very fast and user-friendly using the HIT-Kit, the company's process design kit. Due to the modularity of the processes foundry customers can re-use 100 percent of their standard 0.355m CMOS designs, while the memory block is added right before starting production of the wafer.

"Compared to other non-volatile memory processes available on the market, our EEPROM blocks are very robust and offer significant lower write currents at low operating voltages," added Gasteiner. "These high-performance features allow our customers to address their target markets in the analog and mixed signal areas with additional features."

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