BGA封装是一种常用的表面贴装封装形式,其引脚排列在芯片的底部,通过焊接连接到印刷电路板(PCB)上。BGA封装具有引脚数量多、引脚间距小、引脚排列紧密等特点,因此在设计和制造过程中需要遵循一定的标准和规范,以确保BGA封装的可靠性和互换性。
IEC 60191-6-18:2010/COR1:2010 标准规定了BGA封装的外形尺寸、引脚排列、引脚数量、引脚间距、引脚直径、引脚排列方式等方面的要求。其中,BGA封装的引脚数量可以从几十个到上千个不等,引脚间距一般在0.5mm到1.27mm之间,引脚直径一般在0.2mm到0.5mm之间。此外,BGA封装的引脚排列方式也有多种,如正方形、长方形、圆形等。
在设计BGA封装时,需要考虑到引脚的布局和排列方式,以便在PCB上实现正确的焊接连接。同时,还需要考虑到BGA封装的散热问题,以确保芯片的正常工作温度。因此,在设计BGA封装时,需要遵循IEC 60191-6-18:2010/COR1:2010 标准中的相关要求,以确保BGA封装的可靠性和互换性。
除了BGA封装外,IEC 60191-6-18:2010/COR1:2010 标准还包括了其他表面贴装封装形式的设计指南,如无引脚封装(CSP)、有引脚封装(QFP、TQFP、LQFP等)等。这些封装形式在不同的应用场景中都有广泛的应用,因此需要遵循相应的标准和规范,以确保封装的可靠性和互换性。
相关标准
- IEC 60191-6-1:2001 Mechanical standardization of semiconductor devices - Part 6-1: General rules for the preparation of outline drawings of surface mounted semiconductor device packages - Design guide for leadless semiconductor package (LCC)
- IEC 60191-6-2:2001 Mechanical standardization of semiconductor devices - Part 6-2: General rules for the preparation of outline drawings of surface mounted semiconductor device packages - Design guide for small outline semiconductor package (SOP)
- IEC 60191-6-3:2001 Mechanical standardization of semiconductor devices - Part 6-3: General rules for the preparation of outline drawings of surface mounted semiconductor device packages - Design guide for dual in-line semiconductor package (DIP)
- IEC 60191-6-4:2001 Mechanical standardization of semiconductor devices - Part 6-4: General rules for the preparation of outline drawings of surface mounted semiconductor device packages - Design guide for quad flat semiconductor package (QFP)
- IEC 60191-6-5:2001 Mechanical standardization of semiconductor devices - Part 6-5: General rules for the preparation of outline drawings of surface mounted semiconductor device packages - Design guide for quad flat non-leaded semiconductor package (QFN)