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目前有個專案使用UCD90120
他有上下兩張PCB,每張PCB使用一顆UCD90120
兩張PCB共用同一個5V,並個別透過LDO轉出UCD9090_VCC_A及UCD9090_VCC_B供給兩顆UCD
由於設計上需要我們將UCD-A的sequence超前UCD-B 8ms 如下
UCD-A
UCD-B
想請問一下在假定UCD啟動時間是同時的情形下,UCD90120的variation是多少
有沒有可能在大量生產下有部分機台的UCD-B的P3V3_EN會超前UCD-A的P3V3_EN
