The MAX1617 is a serially programmable temperature sensor optimized for monitoring modern high performance CPUs with on–board, integrated temperature sensing diodes. Temperature data is converted from the CPU’s diode outputs and made available as an 8–bit digital word.

Features

• Includes Internal and External Sensing Capability

• Outputs Temperature As 8–Bit Digital Word

• Solid State Temperature Sensing; 1°C Resolution

• 3.0–5.5 V Operating Range

• Independent Internal and External Threshold Set–Points With

ALERT Interrupt Output

• SMBus 2–Wire Serial Interface

• Up To 9 MAX1617s May Share the Same Bus

• Low Standby Power Mode

• Low Power: 70 µA (max) Operating, 10 µA (max) Standby Mode

• 16–Pin Plastic QSOP Package

• Operating Temperature Range: –55°C to +125°C

Typical Applications

• Thermal Protection For Intel “Deschutes” Pentium II and Other

High Performance CPUs with Integrated On–Board Diode - No

Sensor Mounting Problems!

• Accurate Temperature Sensing From Any Silicon Junction Diode

• Thermal Management in Electronic Systems: Computers, Network

Equipment, Power Supplies