Overview
The STTS2004B2DN3F is a sophisticated temperature sensor module produced by STMicroelectronics. This component is designed to meet the stringent requirements of memory module temperature sensing and is fully compliant with JEDEC TSE2004B2 specifications. It integrates a 4 Kb Serial Presence Detect (SPD) EEPROM, making it an ideal solution for various applications requiring precise temperature monitoring and data storage.
Key Specifications
| Parameter | Value |
|---|---|
| Operating Temperature Range | –20 °C to +125 °C |
| Supply Voltage | 2.2 V to 3.6 V |
| Temperature Sensor Resolution | Programmable (9-12 bits), 0.25 °C (typ)/LSB (10-bit default) |
| Temperature Sensor Accuracy | ± 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) |
| Operating Supply Current | 160 μA (EEPROM standby) |
| Package Type | TDFN8, 2 mm x 3 mm, height: 0.80 mm (max) |
| EEPROM Capacity | 4 Kbits, organized as two pages of 256 bytes each |
| Serial Interface | Two-wire I2C compatible, up to 1 MHz transfer rate (I2C Fast Mode+) |
Key Features
- Integrated 4 Kb SPD EEPROM with functionality identical to ST’s M34E04 SPD EEPROM.
- Programmable temperature sensor resolution (9-12 bits) with high accuracy.
- Supports up to 1 MHz transfer rate via I2C Fast Mode+ serial interface.
- Temperature hysteresis with selectable set points from 0, 1.5, 3, 6.0 °C.
- Software data protection for each 128-byte block of the EEPROM.
- More than 1 million write cycles and more than 40-year data retention for the EEPROM.
- RoHS compliant and halogen-free.
Applications
The STTS2004B2DN3F is primarily used in memory modules, such as DIMMs, to monitor temperature and store configuration data. It is also suitable for other applications requiring precise temperature sensing and data storage, including server systems, data centers, and industrial control systems.
Q & A
- What is the operating temperature range of the STTS2004B2DN3F?
The operating temperature range is –20 °C to +125 °C. - What is the supply voltage range for the STTS2004B2DN3F?
The supply voltage range is 2.2 V to 3.6 V. - What is the resolution of the temperature sensor in the STTS2004B2DN3F?
The temperature sensor resolution is programmable (9-12 bits) with a default of 10 bits, providing 0.25 °C (typ)/LSB. - How accurate is the temperature sensor in the STTS2004B2DN3F?
The temperature sensor accuracy is ± 1 °C (from +75 °C to +95 °C), ± 2 °C (from +40 °C to +125 °C), and ± 3 °C (from –20 °C to +125 °C). - What is the ADC conversion time for the STTS2004B2DN3F?
The ADC conversion time is 125 ms (max) / 70 ms (typ) at the default resolution (10-bit). - What is the typical operating supply current for the STTS2004B2DN3F?
The typical operating supply current is 160 μA (EEPROM standby). - What type of package does the STTS2004B2DN3F come in?
The STTS2004B2DN3F comes in a TDFN8 package, 2 mm x 3 mm, with a maximum height of 0.80 mm. - What is the capacity of the integrated EEPROM in the STTS2004B2DN3F?
The integrated EEPROM has a capacity of 4 Kbits, organized as two pages of 256 bytes each. - What type of serial interface does the STTS2004B2DN3F support?
The STTS2004B2DN3F supports a two-wire I2C compatible serial interface with up to 1 MHz transfer rate (I2C Fast Mode+). - Is the STTS2004B2DN3F RoHS compliant?
Yes, the STTS2004B2DN3F is RoHS compliant and halogen-free.
