I want to know what the suffix of the chip screen printing batch means and the position of the circle
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The top marking cannot be shared in a public community to avoid counterfeiting.
Please submit a ticket: https://support.nxp.com/s/
If you bought the products by authorized distributor, they will provide you with details: https://www.nxp.com/support/sample-and-buy/distributor-network%3ADISTRIBUTORS
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OK, but why do different bottom marks appear on the same package? Is this normal?
It does not affect functionality anyhow. If you have some doubts, please contact your point of sales.