32-Mbit Flash memory built for automotive applications

18 October 2006 Computer/Embedded Technology

STMicroelectronics has announced a new and enhanced version of its 32-Mbit Flash memory chip that is intended specifically for the automotive market. Offering high-speed memory access over a wide operating temperature range, the M58BW32F fits well with automotive customers' needs for powertrain and transmission-control modules, and for other high-performance automotive systems that use the latest generation of 32-bit microcontrollers.

Automotive-Grade certified, and qualified to the AEC-Q100 standard (revision F), the new device uses state-of-the-art architecture to reduce access times to as low as 45 ns over the full automotive temperature range (-40 to +125°C for the packaged device, -40 to +150°C in bare die form). Maximum burst frequency is 75 MHz across the full temperature range.

The M58BW32F features a wide 32-bit data bus and operates on a nominal 3,3 V memory core supply. Enhanced protection techniques include flexible hardware/software protection, a secured command set for 'modify' operations, a 'bank erase' command and a one-shot program from an internal buffer (loaded up to an 8x double word maximum). For security, each die embeds a unique device ID to allow the use of cryptographic algorithms to protect against illegal software modifications.

The new automotive Flash memory is offered in an LBGA80 package, as well as in Certified Bare Die form.

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