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參數(shù)資料
| 型號： | MIC2551AYML TR |
| 廠商： | Micrel Inc |
| 文件頁數(shù)： | 11/11頁 |
| 文件大?。?/td> | 0K |
| 描述： | IC USB TRANSCEIVER 16-MLF |
| 標準包裝： | 1 |
| 類型： | USB 收發(fā)器 |
| 驅(qū)動器/接收器數(shù)： | 1/1 |
| 規(guī)程： | USB 2.0 |
| 電源電壓： | 4 V ~ 5.25 V |
| 安裝類型： | 表面貼裝 |
| 封裝/外殼： | 16-VFQFN 裸露焊盤，16-MLF? |
| 供應商設備封裝： | 16-MLF?（4x4） |
| 包裝： | 標準包裝 |
| 產(chǎn)品目錄頁面： | 1113 (CN2011-ZH PDF) |
| 其它名稱： | 576-2663-6 |
November 2008
9
M9999-112008
MIC2551A
Micrel, Inc.
PCB Layout Recommendations
Although the USB standard and applications are not based in
an impedance controlled environment, a properly designed
PCB layout is recommended for optimal transceiver perfor-
mance. The suggested PCB layout hints are as follows:
Match signal line traces (VP/VM, D+, D–) to
40ps, approximately 1/
3 inch if possible. FR-4
PCB material propagation is about 150ps/inch,
so to minimize skew try to keep VP/VM, D+/D–
traces as short as possible.
For every signal line trace width (w), separate
the signal lines by 1.5 – 2 widths. Place all other
traces at >2 widths from all signal line traces.
Maintain the same number of vias on each
differential trace, keeping traces approximately
at same separation distance along the line.
Control signal line impedances to ±10%.
Keep R
S as close to the IC as possible, with
equal distance between R
S and the IC for both
D+ and D–.
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| MIC2551AYTS | 功能描述:USB 接口集成電路 USB Transceiver - Lead Free RoHS:否 制造商:Cypress Semiconductor 產(chǎn)品:USB 2.0 數(shù)據(jù)速率: 接口類型:SPI 工作電源電壓:3.15 V to 3.45 V 工作電源電流: 最大工作溫度:+ 85 C 安裝風格:SMD/SMT 封裝 / 箱體:WLCSP-20 |
| MIC2551AYTS TR | 功能描述:USB 接口集成電路 USB Transceiver - Lead Free RoHS:否 制造商:Cypress Semiconductor 產(chǎn)品:USB 2.0 數(shù)據(jù)速率: 接口類型:SPI 工作電源電壓:3.15 V to 3.45 V 工作電源電流: 最大工作溫度:+ 85 C 安裝風格:SMD/SMT 封裝 / 箱體:WLCSP-20 |
| MIC2551BML | 制造商:Micrel Inc 功能描述:USB Transceiver 1TR 12Mbps 16-Pin MLF EP 制造商:Rochester Electronics LLC 功能描述:- Bulk |
| MIC2551BMLTR | 制造商:Rochester Electronics LLC 功能描述:- Tape and Reel |
| MIC2551BTS | 制造商:Rochester Electronics LLC 功能描述:- Bulk |
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