Sentinel Software

SJ BIST™ Intermittency Detection

Breakthrough in Solder Joint Intermittent Fault Detection

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Intermittent and catastrophic faults in electronic control systems can now be prevented with Ridgetop Group’s SJ BIST™. The SJ BIST (Solder Joint Built-In Self-Test) technology accurately detects and reports instances of high resistance, including intermittent opens, in Field Programmable Gate Arrays (FPGAs).

Solder joints are subject to mechanical failure; they inevitably suffer damage from thermal and vibrational stresses, causing troublesome intermittent connections between components on the boards. The ability to measure, detect, and predict solder aging and the resultant failure of electronic modules is a true advancement in electronics reliability.

cracked solder ball
Cracked Solder Ball

SJ BIST Features

  • Detects damage prior to catastrophic failure of FPGA
  • Independently tested and verified
  • Works with new processes and equipment
  • Endorsed by leading automotive and aerospace customers
SJ BIST Two-port Test, 1 MHz Clock

Fabless Semiconductor
Design House?

Was it a design problem or a process/foundry problem?

Ridgetop’s PDKChek® die-level test structure provides independent verification of foundry-supplied parameters.

Process-aware designs?

Ridgetop’s PDKChek provides in-situ measurements to correct for parametric variations in the die, improving production yields and major savings!

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