Global Standards for the Microelectronics Industry
ELECTROSTATIC DISCHARGE (ESD) SENSITIVITY TESTING MACHINE MODEL (MM)
JESD22-A115 is a reference document; it is not a requirement per JESD47 (Stress Test Driven Qualification of Integrated Circuits). Machine Model (MM) as described in JESD22-A115 should not be used as a requirement for integrated circuit ESD qualification. Only human-body model (HBM) and charged-device model (CDM) are the necessary ESD qualification test methods as specified in JESD47.
Refer to JEP172: Discontinuing Use of the Machine Model for Device ESD Qualification for more information.