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PACUSB-D2 датащи(PDF) 7 Page - California Micro Devices Corp

номер детали PACUSB-D2
подробное описание детали  USB Downstream Port Terminator
PDF  9 Pages
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производитель  CALMIRCO [California Micro Devices Corp]
домашняя страница  http://www.calmicro.com
Logo CALMIRCO - California Micro Devices Corp

PACUSB-D2 датащи(HTML) 7 Page - California Micro Devices Corp

  PACUSB-D2 Datasheet HTML 1Page - California Micro Devices Corp PACUSB-D2 Datasheet HTML 2Page - California Micro Devices Corp PACUSB-D2 Datasheet HTML 3Page - California Micro Devices Corp PACUSB-D2 Datasheet HTML 4Page - California Micro Devices Corp PACUSB-D2 Datasheet HTML 5Page - California Micro Devices Corp PACUSB-D2 Datasheet HTML 6Page - California Micro Devices Corp PACUSB-D2 Datasheet HTML 7Page - California Micro Devices Corp PACUSB-D2 Datasheet HTML 8Page - California Micro Devices Corp PACUSB-D2 Datasheet HTML 9Page - California Micro Devices Corp  
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© 2004 California Micro Devices Corp. All rights reserved.
09/14/04
430 N. McCarthy Blvd., Milpitas, CA 95035-5112
▲ Tel: 408.263.3214
▲ Fax: 408.263.7846
▲ www.calmicro.com
7
PACUSB-D1/D2/D3
Application Information
The PACUSB-D1/D2/D3 provides a complete interface
for a single downstream USB port typically found in
computers and USB hubs. It integrates the series
resistors (R1) and the 15k
Ω pull-down resistors (R2)
for both USB data lines (D+ and D-) as well as the
capacitors to ground for EMI suppression. Zener
diodes provide ESD protection up to 15kV contact dis-
charge per the IEC 61000-4-2 standard and protect the
USB controller on both data lines.
The PACUSB-D1/D2/D3 should be placed on the PCB
between the USB controller and the USB connector, as
shown on the Connection Diagram Figure 5.
Figure 5. Connection Diagram for PACUSB-D1/D2/D3 Devices
To guarantee the best ESD and filtering performance,
it is recommended to physically locate the PACUSB-
D1/D2/D3 close to the USB connector. Also, the trace
lengths between the PACUSB-D1/D2/D3 and the USB
controller should be kept as short as possible.
DOWN-
USB
USB
CONTROLLER
PACUSB-DnY5/Y5R, -DnYB5/YB5R
C1
C1
R1
R1
R2
R2
D+
D-
D+
D-
STREAM
CONNECTOR
2
1
3
4
5



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