AU9254A21 USB集线器管理芯片

sendy1818

【文件名】:0685@52RD_AU9254A21(1).pdf
【格　式】:pdf
【大　小】:207K
【简　介】:AU9254A21 USB集线器管理员,支持四USB接口，可作成四接口ＵＳＢ集线器．
【目　录】:1.0 Introduction ...................................................................................................... 1
1.1. Description............................................................................................................. 1
1.2. Features ................................................................................................................. 1
2.0 Application Block Diagram ............................................................................. 3
3.0 Pin Assignment................................................................................................ 5
4.0 System Architecture and Reference Design................................................. 10
4.1. AU9254 Block Diagram......................................................................................... 10
4.2. Sample Schematics11............................................................................................. 11
5.0 Electrical Characteristics................................................................................ 15
5.1. Absolute Maximum Ratings................................................................................... 15
5.2. Recommended Operating Conditions .................................................................... 15
5.3. General DC Characteristics.................................................................................... 15
5.4. DC Electrical Characteristics for 5 volts operation................................................ 16
5.5. DC Electrical Characteristics for 3.3 volts operation............................................. 16
5.6. Crystal Oscillator Circuit Setup for Characterization............................................. 17
5.7. USB Transceiver Characteristics ........................................................................... 17
5.8. ESD Test Results ................................................................................................... 22
5.9. Latch-Up Test Results............................................................................................ 23
6.0 Mechanical Information................................................................................... 25
6.1 Normal Size Package (Body Size 209 mil)………………………………………..25
6.2 Small Size Package (Body Size 150 mil)…………………………………………27