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STMicroelectronics has introduced 1MHz two-wire serial EEPROMs in 256kb, 512kb and 1Mb densities. Compatible with I2C Fast-Mode-Plus, the devices allow data rates up to 2.5-times faster than the I2C Fast-mode. Operating at 1MHz, the M24M01-HR is able to complete a 1Mb data transaction in 1s; the 256kb M24256-BHR in 0.25s; and the 512kb M24512-HR in 0.5s.



The two-wire serial EEPROM supports multiple access modes, including byte-write mode as well as 64, 128 and 256-byte page-write modes, random and sequential read modes, automatic address incrementing. As well as easing design in, these modes help engineers optimize system performance and power consumption. A write-control input is provided, while three chip-enable pins allow up to eight devices on a single bus. Also aiding design-in for low-voltage or standard-voltage systems, all three densities are available in variants operating from 1.8V to 5.5V or 2.5V to 5.5V.



Low package heights of 1.2mm and 1.75mm respectively, allow use in low-profile consumer products such as digital TVs. All packages use ST's ECOPACK technology, which meets international green packaging codes including the EU Reduction of Hazardous Substances (RoHS) requirements.



Click here for more information on STMicroelectronics' M24256-BHR and M24512-HR



Click here for more information on STMicroelectronics' M24M01-HR



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