SN74LV1T04: Parts Marking on SN74LV1T04DBVR

Part Number: SN74LV1T04

Tool/software:

Hi TI Team,

Thank you for your support.

I have marking question for SN74LV1T04DBVR.

I figured part marking on below site.

Packaging Part Marking Lookup | Texas Instruments (ti.com) 

It supposed to these below.

39PH
NECS
NECJ
NEC3
3CFF

NEC3

But actually customer got WC3.

WC3 could be SN74LV1T04DCKR .

So he claimed it as pick error.

But Im not sure sometimes it could be SN74LV1T04DBVR and just didn't show on marking look ups or not. 

Those two difference is package size.

Can you give some advice?

Kind Regards,

Takashi

T4710859