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Ԫļַװ

time : 2020-05-19 09:46       ߣpcb

ԪװŰװ̶ܷ⡢оƬǿܵȷá⣬оƬϵĴӵװǵϣָӡˢ·ϵԪ໥ӣɃȲоƬԴ·ӡ
оƬⲿԱеIJоƬԴ·Ľʴµ豸ܽ͡ҷװоƬҲڰװ͡ΪװӣΣоƬܵijַӺ֮ӵPCB죬˷װΪҪ
һоƬװǷĹؼֵָǣоƬװ֮ȣһԽ1Խá
װʱؼǵҪأ
оƬװ֮ȣΪװЧʣ1:1
ҪܶԽӳʱ䣬żļྡԶȷӰ죬ܡ
ȹɢȵĹ涨װԽԽá
װ·չƹ̣
췽档
TO→DIP→PLCC→QFP→BGA→CSP
ԭϷ档ϡ→→ϡ
ӡֱ→̵߻޵Ƭ→ͻ㡣
װײװ→ƴװ→װ
Ϊʵʵķװʽϸܣ
SOP/SOICװ
SOPʾӢSmallOutlinePackageļƣСƷװ
SOPװ
SOPװ19681969ҵȡóɹ֮ɳ
SOJJСƷװ
TSOPСƷװ
VSOPСƷװ
SSOPСSOP
TSSOPıСSOP
SOTС
SOICСƼɵ·оƬ
DIPװ
DIPʾӢ“DoubleIn-linePackage”ļƣ˫ֱʽװ
DIPװ
װͷװ֮һŴӷװװԭϺʹ֡DIPռIJװͷװ÷淶߼ICLSI΢ͻԴ·ȡ
PLCCװ
PLCCʾӢ“PlasticLeadedChipCarrier”ļƣܷJоƬװ
PLCCװ
PLCCװƳʷΣ32ŷװܶţߴDIPװСöࡣPLCCװSMT㰲װPCBϰװߣ߱ߴСԸߵơ
04TQFPװ
TQFPʾӢ“ThinQuadFlatPackage”ļƣܷĽƫƽװıƫƽװӹܺڿռ䣬ٶӡˢ·ڿռߴĹ涨
TQFPװ
ΪС˸߿Ⱥݻװӹرʺ϶ڿռ涨ϸߵãPCMCIAͻԪȫALTERACPLD/FPGATQFPװ
PQFPװ
PQFPʾӢ“PlasticQuadFlatPackage”ļƣܷĽƫƽװ
PQFPװ
PQFPװоƬм಻źϸһģԻ򼯳ɵ·ռɵ·оƬѡװʽһ㶼100֮ϡ
TSOPװ
TSOPʾӢ“ThinSmallOutlinePackage”ļƣСװTSOPڴװһصڷװоƬܱšTSOPSMT(㰲װ)PCBϰװߡ
TSOPװ
TSOPװƣ(תʱѹ)٣ʸƵãʵʲΪݣҲΪߡ
BGAװ
BGAʾӢ“BallGridArrayPackage”ļƣդװʮ90żķչоƬٶȳI/OҲ󣬶Լɵ·оƬװĹ涨ҲΪϿԱ㿼ǷչƵı룬BGAװտʼ졣
pcb
BGAװ
ѡBGAװڴ棬ܹʹڴݻı״ڴռBGATSOPԱȣ߱СݻǿȹɢԺ͵ܡBGAװʹÿƽӢĴӵͦߣѡBGAװڴƷͬݻ£ݻֻTSOPװ֮һ⣬봫ͳʽTSOPװԱȣBGAװиΪѸٺͺȹɢȷʽ
BGAװI/O߶Իλ͵㺸ʽ鲼ڷװ±ߣBGAI/Oˣż]мٷˣƴװʡĹBGAÿɿ̮оƬ纸ӣܹĽĵܡ;ض֮ǰķװһĽ;٣źŴӳʱСӦlʽһ;ƴװù纸ӣԸߡ
TinyBGAװ
˵BGAװͱKingmaxҵרȨTinyBGATinyBGAӢȫ֮Ϊ“TinyBallGrid”BGAװһ֧ϵKingmaxҵ1999¿ȡóɹġоƬװ֮ȲС1:1.14ܹʹڴݻı״ڴռ23TSOPװƷԱȣ߱Сݻǿȹɢܺ͵ܡ
ѡTinyBGAװڴƷͬݻ״ݻֻTSOPװ1/3TSOPװڴоƬģTinyBGAоƬķλ෽ؼźŵĴ࣬źͬµij̽ǴͳʽTSOP1/4źŵ˥ϵҲŽ͡оƬĿԡܣ˵ܡѡTinyBGAװоƬܿﵽ300MHzƵѡôͳʽTSOPװֻܿ150MHzƵ
TinyBGAװڴ䱡Ҳ(װ߿ȵ0.8)ӽϻְ嵽ȹɢĺȹɢ·0.36mmTinyBGAڴŸЩĵȸЧʣʮóϵͳɿԼá
QFPװ
QFP“QuadFlatPackage”ļƣС͸ƽͼװQFPװڳڵĶԿӦõĽΪС4ns֮ϵQFPװԿڴ棬ڼӹպܵ⣬ֽ׶TSOP-IIBGAQFPװڿܶǣdzIJƫƽװװͷװ֮һŴĸʺŸ(L)͡
QFPװ
дϺ֡ϿϷװռ]зdzԭʱ󲿷״ΪQFPQFPռĶLSIװ΢ųƵ߼LSIԴ·ҲVTRźŷźŷȷģLSIԴ·
Źľ1.b250m0.8ס0.65mm0.ס0.4mm0.2mmȶֶͺţ0.65mmľͺΪ304