封装尺寸 

常用封装尺寸

１

CH系列IC常用封装尺寸

版本：1F http://wch.cn

封装

DIP8 ··································· DIP16 ··································· DIP18 ··································· DIP20 ··································· DIP24S ··································· DIP28 ··································· SDIP28 ··································· SDIP30 ··································· SOP8 ··································· SOP14 ··································· SOP16 ··································· SOP18 ··································· SOP20 ··································· SOP24 ··································· SOP28 ··································· SOP30 ··································· SSOP16 ··································· SSOP20 ··································· SSOP24 ··································· SSOP28 ··································· TSSOP16 ··································· PQFP44 PQFP52 ··································· ··································· PQFP64 ··································· PQFP80 ··································· LQFP32 ··································· LQFP44 ··································· LQFP48 ··································· LQFP64 ··································· LQFP80 ··································· LQFP100 ··································· LQFP128 ··································· QFN24 ··································· QFN32 ···································

说明：所有尺寸标注的单位都是mm（毫米），

引脚中心间距总是标称值，没有误差， 除此之外的尺寸误差不大于±0.5mm。

页码 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35

常用封装尺寸

２

DIP类（PDIP）

DIP8

常用封装尺寸

３

DIP16

常用封装尺寸

４

DIP18

常用封装尺寸

５

DIP20