標題: QFN與QFP這兩種package的差異 [打印本頁] 作者: corsair 時間: 2010-4-13 11:54 PM 標題: QFN與QFP這兩種package的差異 請問各位前輩3 W( C; p. {1 u5 U/ ^
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QFN、QFP這兩種package 4 h m6 E) ]+ _ z1 I" s" P- U/ u8 I % v" q/ Z5 w# B' r在外觀上除了一個有長腳，一個沒有之外 - }& a, l+ e& e- G$ x, d% S" \4 O; c' }+ w6 N+ Y9 ~/ ]- P
還有什麼其他差異嗎？) w2 T8 ~3 a3 x2 O9 W6 {+ [
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ps.package的問題不知道該發在哪，如有冒犯請見諒作者: wes777 時間: 2010-5-13 10:49 AM
QFN(Quad Flat Non-lead):As I know ,QFN's die pad is naked. If so,it is better for anti-thermal effect, ?) k! y, a7 ?1 d" U# x; ]6 l) q
4 P3 i: f' \5 }0 f5 U0 [QFPQuad Flat Pack):I can't make sure its die pad is naked or not . But I think it should not naked.作者: miller0303 時間: 2010-5-31 08:55 PM 本帖最後由 miller0303 於 2010-5-31 08:57 PM 編輯 6 F, w0 M& o1 z; h
Quad Flat Pack):I can't make sure its die pad is naked or not . But I think it should not naked.