XC7K70T-2FB484C XC7K70T-2FB484I XC7K70T-2FB676C XC7K70T-2FB676I XC7K70T-2FBG484C XC7K70T-2FBG484C4416 XC7K70T-2FBG484C4970 XC7K70T-2FBG484I XC7K70T-2FBG484I IC XC7K70T-2FBG484I 其他被动元件