供應(yīng)Omron（歐姆龍）R88M-K05030T-S2-Z通訊模塊
相同類型的IC芯片，但封裝外形不同，代換時(shí)只要將新器件的引腳按原器件引腳的形狀和排列進(jìn)行整形。例如，AFT電路CA3064和CA3064E，前者為圓形封裝，輻射狀引腳；后者為雙列直插塑料封裝，兩者內(nèi)部特性完全一樣，按引腳功能進(jìn)行連接即可。雙列IC AN7114、AN7115與LA4100、LA4102封裝形式基本相同,引腳和散熱片正好都相差180°。前面提到的AN5620帶散熱片雙列直插16腳封裝、TEA5620雙列直插18腳封裝，9、10腳位于集成電路的右邊，相當(dāng)于AN5620的散熱片，二者其它腳排列一樣，將9、10腳連起來(lái)接地即可使用。
2.電路功能相同但個(gè)別引腳功能不同IC的代換
代換時(shí)可根據(jù)各個(gè)型號(hào)IC的具體參數(shù)及說(shuō)明進(jìn)行。如電視機(jī)中的AGC、視頻信號(hào)輸出有正、負(fù)極性的區(qū)別，只要在輸出端加接倒相器后即可代換。
3.類型相同但引腳功能不同IC的代換
這種代換需要改變外圍電路及引腳排列，因而需要一定的理論知識(shí)、完整的資料和豐富的實(shí)踐經(jīng)驗(yàn)與技巧。
供應(yīng)Omron（歐姆龍）R88M-K05030T-S2-Z通訊模塊
| R88M-G4K510T-S2-Z |
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| R88M-GP10030H-OS2-Z |
| R88M-GP10030H-O-Z |
供應(yīng)Omron（歐姆龍）R88M-K05030T-S2-Z通訊模塊
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| 6FC3984-4BM |
| 6FC3984-7CL38 |
| 6FC4100-1AA00-Z |
供應(yīng)Omron（歐姆龍）R88M-K05030T-S2-Z通訊模塊
