onTAP® - Eliminating The "Ground Bounce" Effect JTAG Boundary-Scan Test (IEEE 1149.1) and FPGA CPLD Automatic Test Generation Program software by Flynn Systems

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onTAP - Eliminating The "Ground Bounce" Effect

When large numbers of outputs switch simultaneously, they can cause intermittency with your test due the ground bounce effect. onTAP lets you control this problem by giving you control over how many outputs switch during a single test scan, as shown below: