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Why is the HMC521 being replaced with the HMC521A?

Question asked by mcsharman on Jan 9, 2018
Latest reply on Jan 9, 2018 by mthahira

We currently use the HMC521 in an existing design and I've understand that this product is no longer for new designs. It seems that the HMC521A will replace it. The preliminary data shows that this new chip will have near identical performance and the same pin out. So why is the HMC521 being replaced?