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The N24C256X is a 256 Kb Serial CMOS EEPROM, internally organized as 32,768 words of 8 bits each. It features a 64−byte page write buffer and supports the Standard (100 kHz), Fast (400 kHz) and Fast−Plus (1 MHz) I 2 C protocol. The device also features a 128−bit factory−set read−only Unique ID and Software Write Protection of the entire array. The Unique ID may be used to identify the manufacturer and the device. The device features 1.2 V-referenced SCL and SDA enabling direct interface to 1.2 V Chipsets and MPUs. Product services, tools and other useful resources related to N24C256X Find and compare products, get support and connect with onsemi sales team. Note: The temperature and confidence level may be adjusted to your requirements. Disclaimer: A reliability FIT rate calculated using this tool shall not be used for any functional safety purpose. In case a raw FIT rate needs to be estimated for a component which is targeted to be used in a safety critical application (i.e. compliant to ISO 26262 standard) it should be calculated according to generic safety standards (IEC62380, IEC61709, SN29500, FIDES, etc.)