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AR# 20949

Virtex-E - Fine-pitch BGA Device packages with two pin 1 identifier circles

描述

General Description: 

The package drawing data sheet (pk038 (v1.2), fg900.pdf) shows one circle on the TOP view to indicate pin 1 for the FPGA. 

When I look at my device, I can see two circles on the package. How can I identify pin 1 of my device?

解决方案

In cases where you have two circles on the device package, the pin 1 identifier is the circle located next to the yellow/gold band on the substrate.

AR# 20949
日期 05/08/2014
状态 Archive
Type 综合文章
的页面