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参数资料
| 型号： | NUF2015W1 |
| 厂商： | ON SEMICONDUCTOR |
| 英文描述： | USB Upstream Terminator with ESD Protection(带ESD保护的USB上游终端) |
| 中文描述： | 与上游终结者的USB ESD保护（带静电放电保护的的USB上游终端） |
| 文件页数： | 4/6页 |
| 文件大小： | 140K |
| 代理商： | NUF2015W1 |
NUF2015W1
http://onsemi.com
4
Figure 6. Device Description
1
2
3
6
5
4
D
2(C)
D
1(C)
C
1
D
2(i)
D
1(i)
GND
R
S
C
1
R
S
R
UP
V
BUS
Connection for Full
Speed and Low
Speed Devices
The USB 1.1 specification calls for two data rates:
Full
speed devices
operates in 12 Mb/s
Low
speed devices that work in 1.5 Mb/s.
The NUF2015W1T2 device can be shaped for either
full
speed or low
speed by connecting one of the data lines
(D+, D
) to a 3.3 V voltage supply through the 1.5 k
pullup resistor. The device’s connection diagrams for each
speed are described as follows:
Full
Speed Connection
The pullup resistor (R
UP
) is connected to the D+ line. The
terminal 5 is connected to a 3.3 V voltage supply while the
terminal 2 is connected to ground. The input of the D+ line
is connected in the terminal 1 which outputs from the
terminal 6. Finally, the input of the D
line is connected in
the terminal 3 which outputs from the terminal 4. Figure 7
shows the connections of the NUF2015W1T2 device for
“Full
Speed”.
3.3 V
D+
D
D+
D
0
Figure 7. Full Speed Connection
1
2
3
6
5
4
C
1
R
S
R
S
R
UP
U
C
U
C
C
1
Low
Speed Connection
The pullup resistor (Rpu) is connected to the D
line. The
terminal 5 is connected to a 3.3 V voltage supply while the
terminal 2 is connected to ground. The input of the D
line
is connected in the terminal 1 which outputs from the
terminal 6. Finally, the input of the D+ line is connected in
the terminal 3 which outputs from the terminal 4. The
Figure 8 shows the connections of the NUF2015W1T2
device for “Low
Speed”.
Figure 8. Low Speed Connection
3.3 V
D+
D
D+
D
0
1
2
3
6
5
4
C
1
R
S
R
S
R
UP
U
C
U
C
C
1
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相关代理商/技术参数 |
参数描述 |
|---|---|
| NUF2015W1T2 | 制造商:ONSEMI 制造商全称:ON Semiconductor 功能描述:USB Upstream Terminator with ESD Protection |
| NUF2015W1T2G | 功能描述:电磁干扰滤波器 USB Upstream Terminator w/ESD RoHS:否 制造商:STMicroelectronics 电容:12 pF 电路类型: 最大直流电流: 最大直流电阻: 电压额定值:6 V 容差: 端接类型:SMD/SMT 工作温度范围:- 30 C to + 85 C 系列:EMIF03 |
| NUF2030 | 制造商:ONSEMI 制造商全称:ON Semiconductor 功能描述:Low cap. diode array for 2 Line High Speed USB protection devic |
| NUF2030XV6 | 制造商:ONSEMI 制造商全称:ON Semiconductor 功能描述:USB Upstream Terminator with ESD Protection |
| NUF2030XV6T1 | 功能描述:电磁干扰滤波器 USB Upstream RoHS:否 制造商:STMicroelectronics 电容:12 pF 电路类型: 最大直流电流: 最大直流电阻: 电压额定值:6 V 容差: 端接类型:SMD/SMT 工作温度范围:- 30 C to + 85 C 系列:EMIF03 |
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