LS1043 part number suffix?

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LS1043 part number suffix?

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mike_palmer
Contributor II

We currently use an "LS1043AXE7QQB" but are having a hard time locating this particular P/N at distributors.

We have found some advertised as "LS1043AXE7QQB557" at distributors but I've not been able to find the meaning of the 557 suffix while checking if these are compatible.

The datasheet (rev 5, 06/2021) mentions nothing in terms of this being an orderable part number and the 557 doesn't seem to be valid for any of the test traceability, mask number, country or assembly traceability marking fields.

What's the meaning of the 557 and is this part pin- and function-compatible with the LS1043AXE7QQB?

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SebastianG
NXP TechSupport
NXP TechSupport

Hello @mike_palmer  

For part number "LS1043AXE7QQB557" the meaning of 557 is a distributor identifier.

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SebastianG
NXP TechSupport
NXP TechSupport

Hello @mike_palmer  

For part number "LS1043AXE7QQB557" the meaning of 557 is a distributor identifier.

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mike_palmer
Contributor II

Thanks very much for the clarification.

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