STTS2002

STTS2002 2.3 V memory module temperature sensor with a 2 Kb SPD EEPROM Data brief Features ■ STTS2002 is a 2.3 V memory module temperature sensor with 2 Kb SPD EEPROM forward compatible with JEDEC standard TSE 2002a2 and backward compatible with STTS424E02 Operating temperature range: – –40 °C to +125 °C Single supply voltage: 2.3 V to 3.6 V 2 mm x 3 mm TDFN8, height: 0.80 mm (max)(a) RoHS compliant, halogen-free ■ ■ ■ ■ TDFN8 (DN)(a) 2 mm x 3 mm (max height 0.80 mm) Temperature sensor ■ 2 Kb SPD EEPROM ■ ■ ■ ■ ■ Temperature sensor resolution: programmable (9-12 bits) 0.25 °C (typ)/LSB - (10-bit) default Temperature sensor accuracy (max): – ± 1 °C from +75 °C to +95 °C – ± 2 °C from +40 °C to +125 °C – ± 3 °C from –40 °C to +125 °C ADC conversion time: 125 ms (max) at default resolution (10-bit) Typical operating supply current: 160 µA (EEPROM standby) Temperature hysteresis selectable set points from: 0, 1.5, 3, 6.0 °C Supports SMBus timeout 25 ms - 35 ms Functionality identical to ST’s M34E02 SPD EEPROM Permanent and reversible software data protection for the lower 128 bytes Byte and page write (up to 16 bytes) Self-time WRITE cycle (5 ms, max) Automatic address incrementing ■ ■ ■ ■ ■ Two-wire bus ■ ■ ■ Two-wire SMBus/I2C - compatible serial interface Supports up to 400 kHz transfer rate Does not initiate clock stretching www.DataSheet4U.com a. Compliant to JEDEC MO-229, WCED-3 March 2010 Doc ID 17216 Rev 1 1/9 www.st.com 1 For further information contact ...