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Machine Model Testing

 
Machine Model is similar to HBM testing. The test equipment is the same, but the test head is slightly different. The MM version does not have a 1,500 ohm resistor, but otherwise the test board and the socket are the same as for HBM testing. Machine Model testing was actually developed in Japan and is a much more severe ESD test that simulates metallic contact between the device under test and charge body.

The following industry standards are used to test devices for Machine Model testing:

  • EIA/JEDEC JESD22-A115-A
  • ESD-STM5.2 1999
  • AEC-Q100-003-Rev E