res ? Integrated Temperature Sensor (TS) + 2-Kbit Serial EEPROM ? JEDEC (JC42.4) SO-DIMM SPD + TS compliant ? Standard voltage operation ? Optimized for voltage range: 2.7V to 3.6V ? 100khz and 400khz compatibility ? 2-wire serial interface: I2 C/SMBus? compatible ? SMBus Timeout supported ? Schmitt Trigger, filtered inputs for noise suppression ? Industry standard green (Pb/Halide-free/RoHS compliant) package options ? 8-lead Very Very Thin DFN (2 x 3 x 0.8mm) Serial EEPROM Features ? Permanent and reversible software write protection for the first-half of the array ? Software procedure to verify write protect status ? Internally organized as one block of 256-bytes (256 x 8) ? Supports byte and page write operation ? Write 1, 2, 3, and up to 16 bytes at a time ? Self-timed write cycle (5ms max) ? High-reliability ? Endurance: 1 million write cycles ? Data retention: 100 years ? Low operating current ? EEPROM write ~1.5mA (typical) ? EEPROM read ~ 0.2mA (typical) Temperature Sensor Features ? 11-bit ADC temp-to-digital converter with 0.125°C resolution ? Programmable hysteresis threshold: off, 0°C, 1.5°C, 3°C, and 6 °C ? B-grade accuracy ? ±1°C (max.) for +75°C to +95°C ? ±2°C (max.) for +40°C to +125°C ? ±3°C (max.) for -20°C to +125°C ? Low operating current ? Temperature sensor active ~ 0.2mA (typical)