常用封装尺寸1CH系列IC常用封装尺寸版本:2·······························2DIP14·······························3DIP16·······························4DIP18·······························5DIP20·······························6DIP24S/SKDIP24·······························7DIP28/DIP28W·······························8SDIP28·······························9SDIP32·······························10SOP8·······························11SOP14·······························12SOP16·······························13SOP18·······························14SOP20·······························15SOP24·······························16SOP28·······························17SOP30·······························18SSOP16·······························19SSOP20·······························20SSOP24·······························21SSOP28·······························22MSOP10·······························23TSSOP16·······························24PQFP44/QFP44·······························25PQFP52/QFP52·······························26PQFP64/QFP64·······························27PQFP80/QFP80·······························28LQFP32·······························29LQFP44·······························30LQFP48·······························31LQFP64/LQFP64-7*7·······························32LQFP64M/LQFP64-10*10·······························33LQFP80·······························34LQFP100·······························35LQFP128·······························36QFN24/QFN24-4*4·······························37QFN32/QFN32-5*5·······························38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。常用封装尺寸2DIP类(PDIP)DIP8常用封装尺寸3DIP14常用封装尺寸4DIP16常用封装尺寸5DIP18常用封装尺寸6DIP20常用封装尺寸7DIP24S(SKDIP24、DIP24-300mil)常用封装尺寸8DIP28(DIP28W、DIP28-600mil)常用封装尺寸9SDIP28常用封装尺寸10SDIP32常用封装尺寸11SOP类(SOIC)SOP8常用封装尺寸12SOP14常用封装尺寸13SOP16常用封装尺寸14SOP18常用封装尺寸15SOP20常用封装尺寸16SOP24常用封装尺寸17SOP28常用封装尺寸18SOP30常用封装尺寸19SSOP类SSOP16常用封装尺寸20SSOP20常用封装尺寸21SSOP24常用封装尺寸22SSOP28常用封装尺寸23MSOP类MSOP10常用封装尺寸24TSSOP类TSSOP16常用封装尺寸25QFP类(PQFP、LQFP、TQFP)PQFP44(QFP44)常用封装尺寸26PQFP52(QFP52)常用封装尺寸27PQFP64(QFP64、LQFP64-14*14)常用封装尺寸28PQFP80(QFP80)常用封装尺寸29LQFP32常用封装尺寸30LQFP44常用封装尺寸31LQFP48常用封装尺寸32LQFP64(LQFP64-7*7)常用封装尺寸33LQFP64M(LQFP64-10*10)常用封装尺寸34LQFP80(LQFP80-12*12)常用封装尺寸35LQFP100常用封装尺寸36LQFP128常用封装尺寸37QFN类QFN24(QFN24-4*4)常用封装尺寸38QFN32(QFN32-5*5)