Isi ihe dị n'isiokwu a
- ngwugwu BGA bụ kọmpat n'ogo ma nwee njupụta pin dị elu.
- N'ime ngwugwu BGA, a na-akpọ crosstalk mgbama n'ihi nhazi bọọlụ na nhazi adịghị mma BGA crosstalk.
- BGA crosstalk dabere na ọnọdụ nke mgbama obata na akara nke onye ihe metụtara na grid grid.
Na ọtụtụ ọnụ ụzọ ámá na pin-count IC, ọkwa nke ntinye na-abawanye nke ukwuu.Mpempe ibe ndị a aghọwo ndị a pụrụ ịdabere na ya, siri ike ma dị mfe iji ekele maka mmepe nke ngwugwu grid array (BGA), nke dị ntakịrị na nha na ọkpụrụkpụ ma buru ibu n'ọtụtụ ntụtụ.Agbanyeghị, BGA crosstalk na-emetụta iguzosi ike n'ezi ihe mgbaàmà, si otú a na-amachi iji ngwugwu BGA.Ka anyị tụlee nkwakọ ngwaahịa BGA na BGA crosstalk.
Ngwungwu grid bọọlụ
Ngwungwu BGA bụ ngwungwu elu elu nke na-eji obere bọọlụ eduzi igwe iji bulie sekit agbakwunyere.Bọọlụ ọla ndị a na-etolite usoro grid ma ọ bụ matriks nke edoziri n'okpuru elu mgbawa ma jikọọ ya na bọọdụ sekit e biri ebi.
Ngwungwu grid array (BGA).
Ngwa ndị etinyere na BGA enweghị atụdo ma ọ bụ na-eduga na mpụta mgbawa.Kama, a na-edobe grid bọọlụ na ala mgbawa.A na-akpọ usoro grid bọọlụ ndị a bọọlụ na-eme ihe dị ka njikọ maka ngwugwu BGA.
Microprocessors, ibe WiFi, na FPGA na-ejikarị ngwugwu BGA.N'ime mgbawa ngwugwu BGA, bọọlụ na-ere ahịa na-enye ohere ka ọ na-aga n'etiti PCB na ngwugwu.Bọọlụ ndị a na-ere ere na-ejikọta n'ụzọ anụ ahụ na mkpụrụ akụkụ semiconductor nke ngwa eletrọnịkị.A na-eji njikọ lead ma ọ bụ mgbawa tụgharịa iji guzobe njikọ eletrik na mkpụrụ ma nwụọ.Nhazi nhazi dị n'ime mkpụrụ nke na-enye ohere ka ebufe akara eletrik site na njikọ dị n'etiti mgbawa na mkpụrụ ahụ gaa na nkwụsị n'etiti mkpụrụ na grid grid.
Ihe ngwugwu BGA na-ekesa njikọ na-eduga n'okpuru anwụ na ụkpụrụ matriks.Nhazi a na-enye ọnụ ọgụgụ ka ukwuu nke ụzọ na ngwugwu BGA karịa na ngwugwu larịị na nke okpukpu abụọ.Na ngwugwu ndu, a na-ahazi atụdo na oke.ntụtụ ọ bụla nke ngwugwu BGA na-ebu bọọlụ solder, nke dị n'elu ala mgbawa.Nhazi a dị n'elu ala na-enye ọtụtụ ebe, na-ebute ntụtụ ndị ọzọ, na-egbochi obere, na obere mkpirisi ụzọ ụzọ.N'ime ngwugwu BGA, bọọlụ ndị na-ere ahịa na-adakọ n'ebe dị anya karịa na ngwugwu nwere ụzọ.
Uru nke ngwugwu BGA
Ngwungwu BGA nwere akụkụ kọmpat yana njupụta dị elu.ngwugwu BGA nwere obere inductance, na-enye ohere iji obere voltaji.Ngwakọta grid bọọlụ nwere oghere nke ọma, na-eme ka ọ dị mfe ịhazi mgbawa BGA na PCB.
Ụfọdụ uru ndị ọzọ nke ngwugwu BGA bụ:
- Ezigbo ọkụ na-ekpo ọkụ n'ihi nkwụsị ọkụ dị ala nke ngwugwu.
- Ogologo ndu na ngwugwu BGA dị mkpụmkpụ karịa na ngwugwu nwere ụzọ.Ọnụ ọgụgụ dị elu nke ụzọ jikọtara ya na obere nha na-eme ka ngwugwu BGA dịkwuo mma, si otú a na-eme ka arụmọrụ dịkwuo elu.
- Ngwunye BGA na-enye arụmọrụ dị elu n'ọsọ dị elu ma e jiri ya tụnyere ngwugwu dị larịị na ngwugwu n'ime okpukpu abụọ.
- Ọsọ na mkpụrụ nke nrụpụta PCB na-abawanye mgbe ị na-eji ngwa BGA juru n'ọnụ.Usoro ire ere na-adị mfe ma dịkwa mma karịa, enwere ike ịmegharị ngwugwu BGA ngwa ngwa.
BGA Crosstalk
Ngwunye BGA nwere ụfọdụ ndọghachi azụ: enweghị ike ịgba bọọlụ na-ere ere, nyocha siri ike n'ihi njupụta nke ngwugwu ahụ, mmepụta olu dị elu na-achọ ka iji ngwa ire ere dị oke ọnụ.
Iji belata okwu mkparịta ụka BGA, nhazi BGA dị ala dị ala dị oke mkpa.
A na-ejikarị ngwugwu BGA eme ihe n'ọtụtụ ngwaọrụ I/O.Mgbama na-ebufe ma nata site na mgbawa agbakwunyere na ngwungwu BGA nwere ike ịma jijiji site na njikọ ike mgbama site n'otu ụzọ gaa na nke ọzọ.Mkparịta ụka mgbaama kpatara site na nhazi na nhazi nke bọọlụ na-ere ahịa na ngwugwu BGA bụ nke a na-akpọ BGA crosstalk.Inductance dị oke n'etiti usoro grid bọọlụ bụ otu n'ime ihe na-ebute nsonaazụ okwu n'ime ngwugwu BGA.Mgbe elu I/O dị ugbu a transients (mgbama ntinye) na-eme na ngwugwu BGA, njedebe njedebe dị n'etiti grid grid arrays kwekọrọ na mgbama na nkwụghachi azụ na-emepụta nnyonye anya voltaji na mkpụrụ mgbawa.Ntinye aka voltaji a na-ebute nhụta mgbaama na-ebute site na ngwugwu BGA dị ka mkpọtụ, na-ebute mmetụta crosstalk.
N'ime ngwa dịka sistemụ ịkparịta ụka n'Ịntanet nwere PCB siri ike nke na-eji oghere, BGA crosstalk nwere ike ịbụ nke a na-ahụkarị ma ọ bụrụ na emeghị ihe ọ bụla iji chebe oghere ndị ahụ.N'ime sekit ndị dị otú ahụ, ogologo site na oghere etinyere n'okpuru BGA nwere ike ime ka njikọ dị ịrịba ama ma mepụta nnyonye anya crosstalk pụtara.
BGA crosstalk dabere na ọnọdụ nke mgbama obata na mgbama onye a tara ahụhụ n'usoro grid bọọlụ.Iji belata crosstalk BGA, nhazi ngwungwu BGA dị ala dị ala dị oke mkpa.Site na sọftụwia Cadence Allegro Package Designer Plus, ndị na-emepụta nwere ike ịkwalite eriri waya dị mgbagwoju anya otu-anwụ na ọtụtụ-anwụ anwụ na atụmatụ flip-chip;radial, ụzọ ntugharị akụkụ zuru oke iji gboo ihe ịma aka mgbagharị pụrụ iche nke atụmatụ mkpụrụ osisi BGA/LGA.yana nlele DRC/DFA akọwapụtara maka ụzọ ziri ezi na nke ọma.Nyocha DRC/DFM/DFA akọwapụtara nke ọma na-eme ka atụmatụ BGA/LGA na-aga nke ọma n'otu ngafe.A na-ewepụtakwa mmịpụta njikọ njikọ zuru ezu, ngwungwu 3D, na iguzosi ike n'ezi ihe mgbaàmà na nyocha ọkụ nwere mmetụta ọkọnọ ike.
Oge nzipu: Mar-28-2023