參數(shù)資料
型號(hào)： MIC2550AYTS
廠商： MICREL INC
元件分類： 通用總線功能
英文描述： Universal Serial Bus Transceiver
中文描述： LINE TRANSCEIVER, PDSO14
封裝： LEAD FREE, TSSOP-14
文件頁數(shù)： 9/11頁
文件大?。?/td> 122K
代理商： MIC2550AYTS
March 2005
9
M9999-031805
MIC2550A
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
/
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 >2w 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
as close to the IC as possible, with
equal distance between R
S
and the IC for both
D+ and D–.
Micrel, Inc.
相關(guān)PDF資料
PDF描述
MIC2551A USB TRANSCEIVER
MIC2551ABML USB TRANSCEIVER
MIC2551ABTS USB TRANSCEIVER
MIC2551 USB TRANSCEIVER
MIC2570 Two-Cell Switching Regulator(微功率升壓開關(guān)穩(wěn)壓器)
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
MIC2550AYTS 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(fēng)格:SMD/SMT 封裝 / 箱體:WLCSP-20
MIC2550BML 制造商:Rochester Electronics LLC 功能描述:- Bulk
MIC2550BMLTR 制造商:Rochester Electronics LLC 功能描述:- Tape and Reel
MIC2550BTS 制造商:Micrel Inc 功能描述:USB Transceiver 1TR 1.5Mbps/12Mbps 14-Pin TSSOP 制造商:Rochester Electronics LLC 功能描述:- Bulk
MIC2550BTS TR 制造商:Micrel Inc 功能描述:USB Transceiver 1TR 1.5Mbps/12Mbps 14-Pin TSSOP T/R
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