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Newbie jynanbu
Newbie
438 Views
Registered: ‎01-29-2019

XC5VLX155-1FF1153I polarity marking

Xilinx parts FF1153 FLIP CHIP fine Pitch BGA Package Specs, have a PIN 1 ID polarity marking at the top of the package.

Does this PIN 1 ID marking go through the device ?  Does the marking go through the device and does the marking required to be covered. or is the marking on the edge of the package

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2 Replies
Xilinx Employee
Xilinx Employee
331 Views
Registered: ‎07-23-2015

Re: XC5VLX155-1FF1153I polarity marking

@jynanbu The marking is on the Lid of the package at the edge. 

Can you elaborate on what exactly is the concern?

- Giri
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Newbie jynanbu
Newbie
279 Views
Registered: ‎01-29-2019

Re: XC5VLX155-1FF1153I polarity marking

The polarity marking is a "hole" and the CCA shop wanted to cover or close the "hole".  The CCA shop believes the hole is through the body and will expose the internal die area.

 

 

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