STTS3000 2.3 V memory module temperature sensor Datasheet - production data Does not initiate clock stretching Supports SMBus timeout 25 ms - 35 ms Spike suppression filters on the two-wire bus inputs 2 Voltage hysteresis per I C specs on the two- wire bus inputs 2 mm x 3 mm TDFN8, height: 0.80 mm (max) Compliant to JEDEC MO-229, WCED-3 TDFN8 RoHS compliant, halogen-free 2 mm x 3 mm (max height 0.80 mm) Features STTS3000 is a 2.3 V memory module temperature sensor forward compatible with JEDEC standard TS3000 and backward compatible with STTS424 Operating temperature range: 40 C to +125 C Single supply voltage: 2.3 V to 3.6 V 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 A Temperature hysteresis selectable set points from: 0, 1.5, 3, 6.0 C 2 Two-wire SMBus/I C - compatible serial interface Supports up to 400 kHz transfer rate March 2013 DocID017195 Rev 3 1/40 This is information on a product in full production. www.st.com 40 Obsolete Product(s) - Obsolete Product(s)Contents STTS3000 Contents 1 Description . 6 2 Serial communications . 7 2.1 Device type identifier (DTI) code 7 2.2 Pin descriptions . 9 2.2.1 A0, A1, A2 9 2.2.2 V (ground) 9 SS 2.2.3 SDA (open drain) . 9 2.2.4 SCL . 9 2.2.5 EVENT (open drain) 9 2.2.6 V (power) . 9 DD 3 Operation . 10 2 3.1 SMBus/I C communications . 10 2 3.2 SMBus/I C slave sub-address decoding . 12 2 3.3 SMBus/I C AC timing consideration . 12 4 Temperature sensor registers 14 4.1 Capability register (read-only) . 15 4.2 Configuration register (read/write) 17 4.2.1 Event thresholds 17 4.2.2 Interrupt mode . 17 4.2.3 Comparator mode . 17 4.2.4 Shutdown mode . 17 4.2.5 Event output pin functionality . 20 4.3 Temperature register (read-only) . 22 4.3.1 Temperature format 22 4.4 Alarm temperature trip registers (read/write) 23 4.4.1 Alarm window trip . 24 4.4.2 Critical trip . 24 4.5 Manufacturer ID register (read-only) 26 4.6 Device ID and device revision ID register (read-only) . 26 4.7 Temperature resolution register (read/write) 27 2/40 DocID017195 Rev 3 Obsolete Product(s) - Obsolete Product(s)