Downhole Drilling

ASIC Success Story


State-of-the-art downhole drilling monitoring and evaluation systems require high performance at extreme temperature profiles.  

CSS has partnered with a leading supplier of downhole monitoring devices to create a data-acquisition ASIC that operates at temperatures of 200°C.

Drilling rig tower.
Layout image of downhole drilling chip.

Custom Solution from CSS

This ASIC integrates the functionality to acquire pressure and temperature data through frequency comparison and then transmit the acquired data through I2C. 

The chip has three acquisition channels and includes reference oscillators used in the frequency comparison. 

The chip also contains power management and other signal processing. 

Key Features

  • Three XTAL Oscillators
  • I2C Communication Link
  • Frequency comparison logic
  • Operational up to 200°C
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