High security memory uses Persistent Protection Bits (PPB) protection

Transonics is now able to offer the latest high security flash memory devices from Eon Silicon Solution, the non-volatile semiconductor memory specialists. Two versions of Eon’s high security FLASH devices are available; the EN29GA series with a parallel interface or the EN25QA series with an SPI Serial interface. The new devices now available from Transonics are the EN29GA064H/L-70BAIP (64Mb), EN29GA128H/L-70BAIP (128Mb), EN29GA256H/L-90BAIP (256Mb), EN25QA32/EN25QA64 (32/64Mb) and the EN25QA128-104BBIP (128Mb).
The key feature of these new devices is the high security protection of programmed data which is achieved using the Persistent Protection Bits (PPB) function. Each PPB is individually programmed and there is no PPB Erase command. These devices also have Nagra approval which is required for Set Top Box and Pay TV applications.
The EON range of high security FLASH devices is also suitable for many other applications including POS terminals, Smart Meters, and hand held equipment where code needs to be protected to avoid unexpected modification or unauthorised copying.
According to Transonics, devices are available on a 5 week lead-time and continued availability is assured by Eon, who have a long-term roadmap for new products in this family. Eon is currently developing 65nm technology for future products.

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