STTS424BDN3F

Overview

The STTS424BDN3F is a memory module temperature sensor compliant with JEDEC JC42.4. It features a typical resolution of 0.25°C per LSB and an ADC conversion time of 125ms maximum. The device operates on a supply voltage ranging from 2.7V to 3.6V, with a maximum operating supply current of 200µA. Accuracy specifications include ±1°C from +75°C to +95°C, ±2°C from +40°C to +125°C, and ±3°C from -40°C to +125°C. It supports selectable hysteresis set points of 0, 1.5, 3, or 6.0°C and provides ambient temperature sensing within the -40°C to +125°C range.

Feature Summary

• Compliant with JEDEC JC42.4 standard for memory module temperature monitoring
• Features a two-wire SMBus/I2C-compatible serial interface supporting up to 100kHz transfer rates
• Includes selectable hysteresis set points for flexible thermal management

Applications

• Memory module temperature sensing
• JEDEC JC42.4 compliant system monitoring

Procurement Notes

Verify the specific suffix 'DN3F' against official STMicroelectronics documentation to confirm package type and tape-and-reel specifications. Ensure compatibility with the required JEDEC JC42.4 interface standards for your target application. Cross-reference the part number with authorized distributors to confirm availability and authenticity.

Selection Notes

Select this component when JEDEC JC42.4 compliance is mandatory for memory subsystems. Consider the specified accuracy limits across different temperature ranges to ensure they meet system requirements. Evaluate the 200µA maximum supply current against power budget constraints. Confirm that the DFN8 or TSSOP8 package options align with PCB layout capabilities.

Part Context

The STTS424 series belongs to STMicroelectronics' portfolio of digital temperature sensors designed for high-precision applications. These devices are engineered to provide reliable thermal data for critical components like memory modules. The series integrates advanced signal processing to deliver accurate readings while maintaining low power consumption suitable for portable and server environments.

FAQ

What is the maximum ADC conversion time for the STTS424?

The maximum ADC conversion time is 125ms.

Does the STTS424 support I2C communication?

Yes, it features a two-wire SMBus/I2C-compatible serial interface.