Is chip on the left counterfeit?
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Hi Mikhail,
WCS is a valid part marking for this device.
TI recommends submitting purchasing from TI authorized distributors or from TI directly.
http://www.ti.com/support-quality/quality-policies-procedures/anti-counterfeit.html
Hi Mikhail,
It does look different than the device from the left, but that doesn't always indicate a counterfeit. I recommend following the link below to contact our customer support team who should be able to get you in contact with the dedicated team for issues like this.