STTS2004 2.2 V memory module temperature sensor with a 4 Kb SPD EEPROM Datasheet - production data 4 Kb SPD EEPROM Functionality identical to STs M34E04 SPD EEPROM 4 Kbits organized as two pages of 256 bytes each Each page is composed of two 128-byte blocks Software data protection for each 128-byte TDFN8 block 2 mm x 3 mm Byte Write within 5 ms (max height 0.80 mm) 16 bytes Page Write within 5 ms More than 1 million write cycles More than 40-year data retention Features 2.2 V memory module temperature sensor with integrated 4 Kb SPD EEPROM Two-wire bus 2 Fully compliant with JEDEC TSE2004B2 Two-wire I C compatible serial interface specifications 2 Supports up to 1 MHz transfer rate (I C Fast Operating temperature range: Mode+) 20 C to +125 C Does not initiate clock stretching Single supply voltage 2.2 V to 3.6 V Supports SMBus timeout 25 ms - 35 ms 2 mm x 3 mm TDFN8, height: 0.80 mm (max): JEDEC MO-229, W2030D compliant RoHS compliant, halogen-free Temperature sensor Temperature sensor resolution: programmable (9-12 bits) 0.25 C (typ)/LSB - (10-bit) default Temperature sensor accuracy (max) of: 1 C (from +75 C to +95 C) 2 C (from +40 C to +125 C) 3 C (from 20 C to +125 C) ADC conversion time: 125 ms (max) / 70 ms (typ) at default resolution (10-bit) Typical operating supply current 160 A (EEPROM standby) Temperature hysteresis selectable set points from 0, 1.5, 3, 6.0 C November 2020 DocID024229 Rev 5 1/56 This is information on a product in full production. www.st.comContents STTS2004 Contents 1 Description . 6 2 Serial communications . 8 2.1 Device type identifier (DTI) code 8 2 2.1.1 I C slave sub-address decoding . 9 2.2 Pin descriptions 12 2.2.1 A0, A1, A2 . 12 2.2.2 V (ground) . 12 SS 2.2.3 SDA (open drain) 12 2.2.4 SCL 12 2.2.5 EVENT (open drain) . 12 2.2.6 V (power) 12 DD 3 Temperature sensor operation 14 2 3.1 I C communications . 14 2 3.2 SMBus/I C AC timing consideration . 16 4 Temperature sensor registers 17 4.1 Capability register (read-only) . 18 4.2 Configuration register (read/write) 20 4.2.1 Event thresholds 20 4.2.2 Interrupt mode . 20 4.2.3 Comparator mode . 20 4.2.4 Shutdown mode . 20 4.2.5 Event output pin functionality . 24 4.3 Temperature register (read-only) . 26 4.3.1 Temperature format 26 4.4 Temperature trip point registers (read/write) 27 4.4.1 Alarm window trip 28 4.4.2 Critical trip . 28 4.5 Manufacturer ID register (read-only) 29 4.6 Device ID and device revision ID register (read-only) . 30 4.7 Temperature resolution register (read/write) 30 2/56 DocID024229 Rev 5