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USBUF 数据表(PDF) 3 Page - STMicroelectronics

部件名 USBUF
功能描述  EMI filter and line termination for USB upstream ports
PDF  13 Pages
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制造商  STMICROELECTRONICS [STMicroelectronics]
网页  http://www.st.com
标志 STMICROELECTRONICS - STMicroelectronics

USBUF 数据表(HTML) 3 Page - STMicroelectronics

  USBUF Datasheet HTML 1Page - STMicroelectronics USBUF Datasheet HTML 2Page - STMicroelectronics USBUF Datasheet HTML 3Page - STMicroelectronics USBUF Datasheet HTML 4Page - STMicroelectronics USBUF Datasheet HTML 5Page - STMicroelectronics USBUF Datasheet HTML 6Page - STMicroelectronics USBUF Datasheet HTML 7Page - STMicroelectronics USBUF Datasheet HTML 8Page - STMicroelectronics USBUF Datasheet HTML 9Page - STMicroelectronics Next Button
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DocID7041 Rev 8
3/13
USBUF
Technical information
13
2
Technical information
Figure 2. USB standard requirements
Host or
Hub port
Twisted pair shielded
Zo = 90ohms
5m max
Hub 0 or
Full-speed function
Untwisted unshielded
3m max
FULL SPEED CONNECTION
LOW SPEED CONNECTION
3.3V
3.3V
D+
D-
D+
D-
D+
D-
D+
D-
1.5k
1.5k
Hub 0 or
Low-speed function
Low-speed USB
Transceiver
Full-speed or
Low-speed USB
Transceiver
15k
Rt
Rt
Ct
Ct
Host or
Hub port
Full-speed or
Low-speed USB
Transceiver
15k
Rt
Rt
Ct
Ct
Rt
Rt
Ct
Ct
Full-speed USB
Transceiver
Rt
Rt
Ct
Ct
15k
15k



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