DSP, Micros & Memory


Serial EEPROM supports ACR SIG

9 May 2001 DSP, Micros & Memory

Microchip claims its 24LC09 is the world's first serial EEPROM supporting the Advanced Communications Riser Special Interest Group (ACR SIG) specification. The new 24LC09 serial EEPROM provides the enumeration memory for next-generation PC audio modem riser cards by using a nonstandard address that allows the computer to automatically detect and configure riser cards with industry-standard plug-and-play capability.

The system bios of an ACR-compatible PC can communicate with the riser card, making it completely transparent to the computer's operating system. The 24LC09 meets the ACR SIG specification as a custom 8K I2C device with a 2,5-5,5 V operating voltage and -40 to +85°C industrial temperature range.

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